EP3615578 - IMPROVED PROCESS FOR PRODUCING ABS GRAFT COPOLYMERS [Right-click to bookmark this link] | Status | Patent maintained as amended Status updated on 13.10.2023 Database last updated on 24.08.2024 | |
Former | The patent has been granted Status updated on 05.02.2021 | ||
Former | Grant of patent is intended Status updated on 14.10.2020 | ||
Former | Request for examination was made Status updated on 31.01.2020 | ||
Former | The international publication has been made Status updated on 02.11.2018 | ||
Former | unknown Status updated on 27.04.2018 | Most recent event Tooltip | 26.07.2024 | Lapse of the patent in a contracting state New state(s): AT | published on 28.08.2024 [2024/35] | Applicant(s) | For all designated states INEOS Styrolution Group GmbH Mainzer Landstraße 50 60325 Frankfurt am Main / DE | [2023/46] |
Former [2020/10] | For all designated states INEOS Styrolution Group GmbH Mainzer Landstraße 50 60325 Frankfurt am Main / DE | Inventor(s) | 01 /
MICHELS, Gisbert Kuhlmannweg 8 51375 Leverkusen / DE | 02 /
JANSEN, Ulrich Stürzelberger Str. 50 41541 Dormagen / DE | 03 /
KAMINSKY, Stefan Dinkelackerring 59 67435 Neustadt an der Weinstrasse / DE | 04 /
WITTENBERG, Nils Fischbacher Weg 7 65719 Hofheim am Taunus / DE | 05 /
RÜTER, Fabian Angelika-Kauffmann-Str. 4 41470 Neuss / DE | [2020/10] | Representative(s) | Jacobi, Markus Alexander Patentanwälte Isenbruck Bösl Hörschler PartG mbB Eastsite One Seckenheimer Landstrasse 4 68163 Mannheim / DE | [2020/10] | Application number, filing date | 18717637.5 | 23.04.2018 | [2020/10] | WO2018EP60268 | Priority number, date | EP20170167771 | 24.04.2017 Original published format: EP 17167771 | [2020/10] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | WO2018197377 | Date: | 01.11.2018 | Language: | DE | [2018/44] | Type: | A1 Application with search report | No.: | EP3615578 | Date: | 04.03.2020 | Language: | DE | The application published by WIPO in one of the EPO official languages on 01.11.2018 takes the place of the publication of the European patent application. | [2020/10] | Type: | B1 Patent specification | No.: | EP3615578 | Date: | 10.03.2021 | Language: | DE | [2021/10] | Type: | B2 New European patent specification | No.: | EP3615578 | Date: | 15.11.2023 | Language: | DE | [2023/46] | Search report(s) | International search report - published on: | EP | 01.11.2018 | Classification | IPC: | C08F6/22, C08F279/04, C08L25/12, C08L55/02, C08L69/00 | [2020/10] | CPC: |
C08F279/04 (EP,KR,US);
C08L51/04 (US);
C08C1/12 (US);
C08F2/22 (KR);
C08F212/08 (KR);
C08F6/22 (EP,KR);
C08L25/12 (EP,KR);
C08L25/14 (KR);
C08L55/02 (KR);
| C-Set: |
C08F6/22, C08L25/12 (EP);
C08F6/22, C08L55/02 (EP);
C08L25/12, C08L55/02, C08L83/04 (EP);
C08L69/00, C08L25/12, C08L55/02 (EP) | Designated contracting states | AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR [2020/10] | Title | German: | VERBESSERTES VERFAHREN ZUR HERSTELLUNG VON ABS-PFROPFCOPOLYMEREN | [2020/10] | English: | IMPROVED PROCESS FOR PRODUCING ABS GRAFT COPOLYMERS | [2020/10] | French: | PROCÉDÉ AMÉLIORÉ DE PRODUCTION DE COPOLYMÈRES GREFFÉS D'ABS | [2020/10] | Entry into regional phase | 08.11.2019 | National basic fee paid | 08.11.2019 | Designation fee(s) paid | 08.11.2019 | Examination fee paid | Examination procedure | 08.11.2019 | Examination requested [2020/10] | 08.11.2019 | Date on which the examining division has become responsible | 05.06.2020 | Amendment by applicant (claims and/or description) | 15.10.2020 | Communication of intention to grant the patent | 01.02.2021 | Fee for grant paid | 01.02.2021 | Fee for publishing/printing paid | 01.02.2021 | Receipt of the translation of the claim(s) | Opposition(s) | Opponent(s) | 01
26.11.2021
30.11.2021
ADMISSIBLE Elix Polymers, S.L. Poligono Industrial Ctra. de Vilaseca La Pineda s/n 43110 La Canonja / ES Opponent's representative Sugrañes, S.L.P. Calle Provenza 304 08008 Barcelona / ES | [2022/01] | 22.12.2021 | Invitation to proprietor to file observations on the notice of opposition | 07.04.2022 | Reply of patent proprietor to notice(s) of opposition | 10.05.2023 | Legal effect of interlocutory decision in opposition | 10.05.2023 | Date of oral proceedings | 26.05.2023 | Despatch of interlocutory decision in opposition | 26.05.2023 | Despatch of minutes of oral proceedings | 14.09.2023 | Despatch of communication that the patent will be maintained as amended | 10.10.2023 | Fee for printing new specification paid | Fees paid | Renewal fee | 20.03.2020 | Renewal fee patent year 03 |
Opt-out from the exclusive Tooltip competence of the Unified Patent Court | See the Register of the Unified Patent Court for opt-out data | ||
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Lapses during opposition Tooltip | HU | 23.04.2018 | AL | 10.03.2021 | CY | 10.03.2021 | CZ | 10.03.2021 | DK | 10.03.2021 | EE | 10.03.2021 | FI | 10.03.2021 | HR | 10.03.2021 | IT | 10.03.2021 | LT | 10.03.2021 | LV | 10.03.2021 | MC | 10.03.2021 | MK | 10.03.2021 | PL | 10.03.2021 | RO | 10.03.2021 | RS | 10.03.2021 | SE | 10.03.2021 | SI | 10.03.2021 | SK | 10.03.2021 | SM | 10.03.2021 | TR | 10.03.2021 | IE | 23.04.2021 | LU | 23.04.2021 | BE | 30.04.2021 | CH | 30.04.2021 | LI | 30.04.2021 | BG | 10.06.2021 | NO | 10.06.2021 | GR | 11.06.2021 | IS | 10.07.2021 | PT | 12.07.2021 | GB | 23.04.2022 | NL | 01.05.2022 | AT | 23.04.2023 | [2024/35] |
Former [2024/29] | HU | 23.04.2018 | |
AL | 10.03.2021 | ||
CY | 10.03.2021 | ||
CZ | 10.03.2021 | ||
DK | 10.03.2021 | ||
EE | 10.03.2021 | ||
FI | 10.03.2021 | ||
HR | 10.03.2021 | ||
IT | 10.03.2021 | ||
LT | 10.03.2021 | ||
LV | 10.03.2021 | ||
MC | 10.03.2021 | ||
MK | 10.03.2021 | ||
PL | 10.03.2021 | ||
RO | 10.03.2021 | ||
RS | 10.03.2021 | ||
SE | 10.03.2021 | ||
SI | 10.03.2021 | ||
SK | 10.03.2021 | ||
SM | 10.03.2021 | ||
TR | 10.03.2021 | ||
IE | 23.04.2021 | ||
LU | 23.04.2021 | ||
BE | 30.04.2021 | ||
CH | 30.04.2021 | ||
LI | 30.04.2021 | ||
BG | 10.06.2021 | ||
NO | 10.06.2021 | ||
GR | 11.06.2021 | ||
IS | 10.07.2021 | ||
PT | 12.07.2021 | ||
GB | 23.04.2022 | ||
NL | 01.05.2022 | ||
Former [2024/23] | HU | 23.04.2018 | |
AL | 10.03.2021 | ||
CY | 10.03.2021 | ||
CZ | 10.03.2021 | ||
DK | 10.03.2021 | ||
EE | 10.03.2021 | ||
FI | 10.03.2021 | ||
HR | 10.03.2021 | ||
IT | 10.03.2021 | ||
LT | 10.03.2021 | ||
LV | 10.03.2021 | ||
MC | 10.03.2021 | ||
MK | 10.03.2021 | ||
PL | 10.03.2021 | ||
RO | 10.03.2021 | ||
RS | 10.03.2021 | ||
SE | 10.03.2021 | ||
SI | 10.03.2021 | ||
SK | 10.03.2021 | ||
SM | 10.03.2021 | ||
IE | 23.04.2021 | ||
LU | 23.04.2021 | ||
BE | 30.04.2021 | ||
CH | 30.04.2021 | ||
LI | 30.04.2021 | ||
BG | 10.06.2021 | ||
NO | 10.06.2021 | ||
GR | 11.06.2021 | ||
IS | 10.07.2021 | ||
PT | 12.07.2021 | ||
GB | 23.04.2022 | ||
NL | 01.05.2022 | ||
Former [2023/33] | HU | 23.04.2018 | |
AL | 10.03.2021 | ||
CY | 10.03.2021 | ||
CZ | 10.03.2021 | ||
DK | 10.03.2021 | ||
EE | 10.03.2021 | ||
FI | 10.03.2021 | ||
HR | 10.03.2021 | ||
IT | 10.03.2021 | ||
LT | 10.03.2021 | ||
LV | 10.03.2021 | ||
MC | 10.03.2021 | ||
PL | 10.03.2021 | ||
RO | 10.03.2021 | ||
RS | 10.03.2021 | ||
SE | 10.03.2021 | ||
SI | 10.03.2021 | ||
SK | 10.03.2021 | ||
SM | 10.03.2021 | ||
IE | 23.04.2021 | ||
LU | 23.04.2021 | ||
BE | 30.04.2021 | ||
CH | 30.04.2021 | ||
LI | 30.04.2021 | ||
BG | 10.06.2021 | ||
NO | 10.06.2021 | ||
GR | 11.06.2021 | ||
IS | 10.07.2021 | ||
PT | 12.07.2021 | ||
GB | 23.04.2022 | ||
NL | 01.05.2022 | ||
Former [2023/30] | AL | 10.03.2021 | |
CY | 10.03.2021 | ||
CZ | 10.03.2021 | ||
DK | 10.03.2021 | ||
EE | 10.03.2021 | ||
FI | 10.03.2021 | ||
HR | 10.03.2021 | ||
IT | 10.03.2021 | ||
LT | 10.03.2021 | ||
LV | 10.03.2021 | ||
MC | 10.03.2021 | ||
PL | 10.03.2021 | ||
RO | 10.03.2021 | ||
RS | 10.03.2021 | ||
SE | 10.03.2021 | ||
SI | 10.03.2021 | ||
SK | 10.03.2021 | ||
SM | 10.03.2021 | ||
IE | 23.04.2021 | ||
LU | 23.04.2021 | ||
BE | 30.04.2021 | ||
CH | 30.04.2021 | ||
LI | 30.04.2021 | ||
BG | 10.06.2021 | ||
NO | 10.06.2021 | ||
GR | 11.06.2021 | ||
IS | 10.07.2021 | ||
PT | 12.07.2021 | ||
GB | 23.04.2022 | ||
NL | 01.05.2022 | ||
Former [2023/08] | AL | 10.03.2021 | |
CZ | 10.03.2021 | ||
DK | 10.03.2021 | ||
EE | 10.03.2021 | ||
FI | 10.03.2021 | ||
HR | 10.03.2021 | ||
IT | 10.03.2021 | ||
LT | 10.03.2021 | ||
LV | 10.03.2021 | ||
MC | 10.03.2021 | ||
PL | 10.03.2021 | ||
RO | 10.03.2021 | ||
RS | 10.03.2021 | ||
SE | 10.03.2021 | ||
SI | 10.03.2021 | ||
SK | 10.03.2021 | ||
SM | 10.03.2021 | ||
IE | 23.04.2021 | ||
LU | 23.04.2021 | ||
BE | 30.04.2021 | ||
CH | 30.04.2021 | ||
LI | 30.04.2021 | ||
BG | 10.06.2021 | ||
NO | 10.06.2021 | ||
GR | 11.06.2021 | ||
IS | 10.07.2021 | ||
PT | 12.07.2021 | ||
GB | 23.04.2022 | ||
NL | 01.05.2022 | ||
Former [2022/34] | AL | 10.03.2021 | |
CZ | 10.03.2021 | ||
DK | 10.03.2021 | ||
EE | 10.03.2021 | ||
FI | 10.03.2021 | ||
HR | 10.03.2021 | ||
IT | 10.03.2021 | ||
LT | 10.03.2021 | ||
LV | 10.03.2021 | ||
MC | 10.03.2021 | ||
PL | 10.03.2021 | ||
RO | 10.03.2021 | ||
RS | 10.03.2021 | ||
SE | 10.03.2021 | ||
SI | 10.03.2021 | ||
SK | 10.03.2021 | ||
SM | 10.03.2021 | ||
IE | 23.04.2021 | ||
LU | 23.04.2021 | ||
BE | 30.04.2021 | ||
CH | 30.04.2021 | ||
LI | 30.04.2021 | ||
BG | 10.06.2021 | ||
NO | 10.06.2021 | ||
GR | 11.06.2021 | ||
IS | 10.07.2021 | ||
PT | 12.07.2021 | ||
Former [2022/23] | AL | 10.03.2021 | |
CZ | 10.03.2021 | ||
DK | 10.03.2021 | ||
EE | 10.03.2021 | ||
FI | 10.03.2021 | ||
HR | 10.03.2021 | ||
IT | 10.03.2021 | ||
LT | 10.03.2021 | ||
LV | 10.03.2021 | ||
MC | 10.03.2021 | ||
PL | 10.03.2021 | ||
RO | 10.03.2021 | ||
RS | 10.03.2021 | ||
SE | 10.03.2021 | ||
SI | 10.03.2021 | ||
SK | 10.03.2021 | ||
SM | 10.03.2021 | ||
IE | 23.04.2021 | ||
LU | 23.04.2021 | ||
CH | 30.04.2021 | ||
LI | 30.04.2021 | ||
BG | 10.06.2021 | ||
NO | 10.06.2021 | ||
GR | 11.06.2021 | ||
IS | 10.07.2021 | ||
PT | 12.07.2021 | ||
Former [2022/21] | AL | 10.03.2021 | |
CZ | 10.03.2021 | ||
DK | 10.03.2021 | ||
EE | 10.03.2021 | ||
FI | 10.03.2021 | ||
HR | 10.03.2021 | ||
LT | 10.03.2021 | ||
LV | 10.03.2021 | ||
MC | 10.03.2021 | ||
PL | 10.03.2021 | ||
RO | 10.03.2021 | ||
RS | 10.03.2021 | ||
SE | 10.03.2021 | ||
SI | 10.03.2021 | ||
SK | 10.03.2021 | ||
SM | 10.03.2021 | ||
IE | 23.04.2021 | ||
LU | 23.04.2021 | ||
CH | 30.04.2021 | ||
LI | 30.04.2021 | ||
BG | 10.06.2021 | ||
NO | 10.06.2021 | ||
GR | 11.06.2021 | ||
PT | 12.07.2021 | ||
IS | 24.12.2021 | ||
Former [2022/11] | AL | 10.03.2021 | |
CZ | 10.03.2021 | ||
DK | 10.03.2021 | ||
EE | 10.03.2021 | ||
FI | 10.03.2021 | ||
HR | 10.03.2021 | ||
LT | 10.03.2021 | ||
LV | 10.03.2021 | ||
MC | 10.03.2021 | ||
PL | 10.03.2021 | ||
RO | 10.03.2021 | ||
RS | 10.03.2021 | ||
SE | 10.03.2021 | ||
SI | 10.03.2021 | ||
SK | 10.03.2021 | ||
SM | 10.03.2021 | ||
LU | 23.04.2021 | ||
CH | 30.04.2021 | ||
LI | 30.04.2021 | ||
BG | 10.06.2021 | ||
NO | 10.06.2021 | ||
GR | 11.06.2021 | ||
PT | 12.07.2021 | ||
IS | 24.12.2021 | ||
Former [2022/10] | AL | 10.03.2021 | |
CZ | 10.03.2021 | ||
DK | 10.03.2021 | ||
EE | 10.03.2021 | ||
FI | 10.03.2021 | ||
HR | 10.03.2021 | ||
LT | 10.03.2021 | ||
LV | 10.03.2021 | ||
MC | 10.03.2021 | ||
PL | 10.03.2021 | ||
RO | 10.03.2021 | ||
RS | 10.03.2021 | ||
SE | 10.03.2021 | ||
SK | 10.03.2021 | ||
SM | 10.03.2021 | ||
LU | 23.04.2021 | ||
CH | 30.04.2021 | ||
LI | 30.04.2021 | ||
BG | 10.06.2021 | ||
NO | 10.06.2021 | ||
GR | 11.06.2021 | ||
PT | 12.07.2021 | ||
IS | 24.12.2021 | ||
Former [2022/08] | AL | 10.03.2021 | |
CZ | 10.03.2021 | ||
DK | 10.03.2021 | ||
EE | 10.03.2021 | ||
FI | 10.03.2021 | ||
HR | 10.03.2021 | ||
LT | 10.03.2021 | ||
LV | 10.03.2021 | ||
MC | 10.03.2021 | ||
PL | 10.03.2021 | ||
RO | 10.03.2021 | ||
RS | 10.03.2021 | ||
SE | 10.03.2021 | ||
SK | 10.03.2021 | ||
SM | 10.03.2021 | ||
LU | 23.04.2021 | ||
BG | 10.06.2021 | ||
NO | 10.06.2021 | ||
GR | 11.06.2021 | ||
IS | 10.07.2021 | ||
PT | 12.07.2021 | ||
Former [2022/07] | AL | 10.03.2021 | |
CZ | 10.03.2021 | ||
EE | 10.03.2021 | ||
FI | 10.03.2021 | ||
HR | 10.03.2021 | ||
LT | 10.03.2021 | ||
LV | 10.03.2021 | ||
MC | 10.03.2021 | ||
PL | 10.03.2021 | ||
RO | 10.03.2021 | ||
RS | 10.03.2021 | ||
SE | 10.03.2021 | ||
SK | 10.03.2021 | ||
SM | 10.03.2021 | ||
LU | 23.04.2021 | ||
BG | 10.06.2021 | ||
NO | 10.06.2021 | ||
GR | 11.06.2021 | ||
IS | 10.07.2021 | ||
PT | 12.07.2021 | ||
Former [2022/04] | CZ | 10.03.2021 | |
EE | 10.03.2021 | ||
FI | 10.03.2021 | ||
HR | 10.03.2021 | ||
LT | 10.03.2021 | ||
LV | 10.03.2021 | ||
PL | 10.03.2021 | ||
RO | 10.03.2021 | ||
RS | 10.03.2021 | ||
SE | 10.03.2021 | ||
SK | 10.03.2021 | ||
SM | 10.03.2021 | ||
LU | 23.04.2021 | ||
BG | 10.06.2021 | ||
NO | 10.06.2021 | ||
GR | 11.06.2021 | ||
IS | 10.07.2021 | ||
PT | 12.07.2021 | ||
Former [2021/52] | CZ | 10.03.2021 | |
EE | 10.03.2021 | ||
FI | 10.03.2021 | ||
HR | 10.03.2021 | ||
LT | 10.03.2021 | ||
LV | 10.03.2021 | ||
PL | 10.03.2021 | ||
RO | 10.03.2021 | ||
RS | 10.03.2021 | ||
SE | 10.03.2021 | ||
SK | 10.03.2021 | ||
SM | 10.03.2021 | ||
BG | 10.06.2021 | ||
NO | 10.06.2021 | ||
GR | 11.06.2021 | ||
IS | 10.07.2021 | ||
PT | 12.07.2021 | ||
Former [2021/51] | CZ | 10.03.2021 | |
EE | 10.03.2021 | ||
FI | 10.03.2021 | ||
HR | 10.03.2021 | ||
LT | 10.03.2021 | ||
LV | 10.03.2021 | ||
RO | 10.03.2021 | ||
RS | 10.03.2021 | ||
SE | 10.03.2021 | ||
SK | 10.03.2021 | ||
SM | 10.03.2021 | ||
BG | 10.06.2021 | ||
NO | 10.06.2021 | ||
GR | 11.06.2021 | ||
IS | 10.07.2021 | ||
PT | 12.07.2021 | ||
Former [2021/50] | CZ | 10.03.2021 | |
EE | 10.03.2021 | ||
FI | 10.03.2021 | ||
HR | 10.03.2021 | ||
LT | 10.03.2021 | ||
LV | 10.03.2021 | ||
RO | 10.03.2021 | ||
RS | 10.03.2021 | ||
SE | 10.03.2021 | ||
SK | 10.03.2021 | ||
SM | 10.03.2021 | ||
BG | 10.06.2021 | ||
NO | 10.06.2021 | ||
GR | 11.06.2021 | ||
PT | 12.07.2021 | ||
Former [2021/48] | CZ | 10.03.2021 | |
EE | 10.03.2021 | ||
FI | 10.03.2021 | ||
HR | 10.03.2021 | ||
LT | 10.03.2021 | ||
LV | 10.03.2021 | ||
RS | 10.03.2021 | ||
SE | 10.03.2021 | ||
SM | 10.03.2021 | ||
BG | 10.06.2021 | ||
NO | 10.06.2021 | ||
GR | 11.06.2021 | ||
Former [2021/46] | FI | 10.03.2021 | |
HR | 10.03.2021 | ||
LT | 10.03.2021 | ||
LV | 10.03.2021 | ||
RS | 10.03.2021 | ||
SE | 10.03.2021 | ||
SM | 10.03.2021 | ||
BG | 10.06.2021 | ||
NO | 10.06.2021 | ||
GR | 11.06.2021 | ||
Former [2021/38] | FI | 10.03.2021 | |
HR | 10.03.2021 | ||
LT | 10.03.2021 | ||
LV | 10.03.2021 | ||
RS | 10.03.2021 | ||
SE | 10.03.2021 | ||
BG | 10.06.2021 | ||
NO | 10.06.2021 | ||
GR | 11.06.2021 | ||
Former [2021/37] | FI | 10.03.2021 | |
HR | 10.03.2021 | ||
LT | 10.03.2021 | ||
LV | 10.03.2021 | ||
RS | 10.03.2021 | ||
BG | 10.06.2021 | ||
NO | 10.06.2021 | ||
GR | 11.06.2021 | ||
Former [2021/36] | FI | 10.03.2021 | |
HR | 10.03.2021 | ||
LT | 10.03.2021 | ||
BG | 10.06.2021 | ||
NO | 10.06.2021 | ||
GR | 11.06.2021 | ||
Former [2021/35] | FI | 10.03.2021 | |
HR | 10.03.2021 | ||
LT | 10.03.2021 | ||
NO | 10.06.2021 | ||
Former [2021/33] | FI | 10.03.2021 | |
LT | 10.03.2021 | ||
NO | 10.06.2021 | Cited in | International search | [AD]DE4015296 (BAYER AG [DE]) [AD] 1-15 * the whole document *; | [A]JP3390625B (MITSUI CHEMICALS INC) [A] 1-15 * the whole document *; | [AD]DE102006044270 (LANXESS DEUTSCHLAND GMBH [DE]) [AD] 1-15* the whole document *; | [X]WO2014170406 (STYROLUTION GROUP GMBH [DE]) [X] 13-15 * page 26, lines 22-24 * * page 34, line 26 - line 28 * * page 35, line 24 * * table 4 * | by applicant | DE656780 | DE1495626 | DE2232877 | DE2420358 | DE2703376 | DE2714544 | DE2724360 | DE3000610 | DE2909518 | EP0022200 | DE3639904 | DE3832396 | DE3913509 | DE4015296 | EP0734825 | EP0768157 | EP0867463 | DE19713509 | DE10008420 | WO03099926 | WO2008020012 | DE102006044270 | WO2012022710 | US8299175 | EP2584001 | EP2606073 | WO2014170407 | WO2017093468 | - W. SCHOLTAN; H. LANGE, Kolloid Z. u. Z. Polymere, (19720000), vol. 250, pages 782 - 796 | - HOUBEN-WEYL, Methoden der Organischen Chemie, Makromolekulare Stoffe, Thieme Verlag, (19610000), page 307 | - HOUBEN-WEYL, Methoden der Organischen Chemie, Makromolekulare Stoffe, Thieme Verlag, (19610000), page 339 | - K. KIRCHNER; H. SCHLAPKOHL, "The Formation of Oligomers in the Thermal Copolymerisation of the Styrene/Acrylonitrile-System", Makromol. Chem., (19760000), vol. 177, doi:doi:10.1002/macp.1976.021770711, pages 2031 - 2042, XP001027238 DOI: http://dx.doi.org/10.1002/macp.1976.021770711 | Opposition | GB1335353 | GB1418228 | DE2656780 | US5314990 | US2003092836 | US2007020553 | WO2008034724 | WO2015197442 | GB133535 |