blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...
blank News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Extract from the Register of European Patents

EP About this file: EP0006620

EP0006620 - Process for the manufacture of polypropylene moulding compositions [Right-click to bookmark this link]
StatusPatent revoked
Status updated on  16.01.1984
Database last updated on 30.09.2024
Most recent event   Tooltip16.01.1984Revocation of patentpublished on 21.03.1984 [1984/12]
Applicant(s)For all designated states
HOECHST AKTIENGESELLSCHAFT
65926 Frankfurt am Main / DE
[N/P]
Former [1982/16]For all designated states
HOECHST AKTIENGESELLSCHAFT
D-65926 Frankfurt am Main / DE
Former [1980/01]For all designated states
HOECHST AKTIENGESELLSCHAFT
Postfach 80 03 20
D-65926 Frankfurt / DE
Inventor(s)01 / Kloos, Friedrich, Dr.
Südring 112
D-6500 Mainz / DE
02 / Leugering, Hans Joachim, Dr.
Kanalstrasse 3
D-8261 Burgkirchen/Alz / DE
[1980/01]
Application number, filing date79102154.628.06.1979
[1980/01]
Priority number, dateDE1978282876330.06.1978         Original published format: DE 2828763
[1980/01]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0006620
Date:09.01.1980
Language:DE
[1980/01]
Type: B1 Patent specification 
No.:EP0006620
Date:21.04.1982
Language:DE
[1982/16]
Search report(s)(Supplementary) European search report - dispatched on:EP08.10.1979
ClassificationIPC:C08L23/12, C08L23/06, C08L23/16
[1982/16]
CPC:
C08L23/12 (EP); C08L23/142 (EP); C08L23/06 (EP);
C08L23/0815 (EP); C08L23/16 (EP)
C-Set:
C08L23/12, C08L23/06, C08L23/16 (EP);
C08L23/12, C08L2666/02 (EP);
C08L23/12, C08L2666/04 (EP);
C08L23/142, C08L2666/02 (EP)
Former IPC [1980/01]C08L23/00, C08L23/06, C08L23/12, C08L23/16
Designated contracting statesBE,   DE,   FR,   GB,   IT,   NL [1980/01]
TitleGerman:Verfahren zum Herstellen einer Polypropylen-Formmasse[1980/01]
English:Process for the manufacture of polypropylene moulding compositions[1980/01]
French:Procédé pour la préparation de compositions de moulage de polypropylène[1980/01]
Examination procedure31.03.1980Examination requested  [1980/13]
06.03.1981Despatch of a communication from the examining division (Time limit: M04)
19.06.1981Reply to a communication from the examining division
26.08.1981Despatch of communication of intention to grant (Approval: )
07.10.1981Communication of intention to grant the patent
23.12.1981Fee for grant paid
23.12.1981Fee for publishing/printing paid
Opposition(s)Opponent(s)01  20.01.1983  23.03.1983  ADMISSIBLE
Exxon Chemical Company
P.O. Box 503 Florham Park
New Jersey 07932 / US
Opponent's representative
Dew, Melvyn John
ExxonMobil Chemical Europe Inc.
IP Law Europe
Hermeslaan 2
1831 Machelen / BE
 02  18.01.1983  23.03.1983  ADMISSIBLE
Naamloze Vennootschap DSM
Het Overloon 1
NL-6411 TE Heerlen / NL
Opponent's representative
van de Panne, Vitus Nicolaas
Octrooibureau DSM Postbus 9
6160 MA Geleen / NL
 03  21.01.1983  23.03.1983  ADMISSIBLE
Hüls Troisdorf Aktiengesellschaft
Abt.: Patente/Lizenzen
D-53839 Troisdorf / DE
 [N/P]
Former [1983/14]
Opponent(s)01  20.01.1983  23.03.1983  ADMISSIBLE
Exxon Chemical Company
P.O. Box 503
Florham Park New Jersey 07932 / US
Opponent's representative
Dew, Melvyn John
Esso Chemical Research Centre P.O. Box 1
Abingdon Oxon OX13 6BB / GB
 02  18.01.1983  23.03.1983  ADMISSIBLE
Naamloze Vennootschap DSM
Het Overloon 1
NL-6411 TE Heerlen / NL
Opponent's representative
Van de Panne, Vitus Nicolaas
Octrooibureau DSM Postbus 9
NL-6160 MA Geleen / NL
 03  21.01.1983  23.03.1983  ADMISSIBLE
Hüls Troisdorf Aktiengesellschaft
Abt.: Patente/Lizenzen
D-53839 Troisdorf / DE
24.03.1983Invitation to proprietor to file observations on the notice of opposition
01.07.1983Reply of patent proprietor to notice(s) of opposition
29.09.1983Despatch of communication that the patent will be revoked
10.12.1983Legal effect of revocation of patent [1984/12]
Fees paidRenewal fee
11.05.1981Renewal 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.
Documents cited:SearchUS3256367  [ ] (JAYNE JR WILLIAM M);
 GB1065568  [ ] (DOW CHEMICAL CO);
 GB1154447  [ ] (ASAHI CHEMICAL IND [JP]);
 US3515775  [ ] (COMBS ROBERT LEONARD, et al);
 DE2152746  [ ] (STAMICARBON);
 DE2417093  [ ] (HOECHST AG);
 CH594013  [ ] (STAMICARBON)
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.