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Extract from the Register of European Patents

EP About this file: EP3898779

EP3898779 - SILICONE-POLYESTER COPOLYMER, SEALANTS COMPRISING SAME, AND RELATED METHODS [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  15.12.2023
Database last updated on 19.10.2024
FormerThe patent has been granted
Status updated on  06.01.2023
FormerGrant of patent is intended
Status updated on  20.09.2022
FormerRequest for examination was made
Status updated on  24.09.2021
FormerThe international publication has been made
Status updated on  02.07.2020
Formerunknown
Status updated on  24.01.2020
Most recent event   Tooltip30.08.2024Lapse of the patent in a contracting state
New state(s): MC		published on 02.10.2024  [2024/40]
Applicant(s)For all designated states
Dow Silicones Corporation
2200 West Salzburg Road
P.O. Box 994
Midland, MI 48686-0994 / US
For all designated states
Dow Global Technologies LLC
2040 Dow Center
Midland, MI 48674 / US
[2021/43]
Inventor(s)01 / DUQUESNE, Emmanuel
c/o Dow Silicones Corporation 2200 West Salzburg
Road P.O. Box 994
Midland, Michigan 48686-0994 / US
02 / GRASMANN, Martin
c/o Dow Silicones Corporation 2200 West Salzburg
Road P.O. Box 994
Midland, Michigan 48686-0994 / US
03 / HARKNESS, Brian
c/o Dow Silicones Corporation 2200 West Salzburg
Road P.O. Box 994
Midland, Michigan 48686-0994 / US
04 / JOHNSON, William
c/o Dow Silicones Corporation 2200 West Salzburg
Road P.O. Box 994
Midland, Michigan 48686-0994 / US
05 / KRISHNAN, Bindu
c/o Dow Global Technologies LLC 2040 Dow Center
Midland, Michigan 48674 / US
06 / SANTOS, Elizabeth
c/o Dow Silicones Corporation 2200 West Salzburg
Road P.O. Box 994
Midland, Michigan 48686-0994 / US
07 / SCHERZER, Justin
c/o Dow Global Technologies LLC 2040 Dow Center
Midland, Michigan 48674 / US
08 / YOUNG, Jeanette
c/o Dow Silicones Corporation 2200 West Salzburg
Road P.O. Box 994
Midland, Michigan 48686-0994 / US
09 / ZHU, Bizhong
c/o Dow Silicones Corporation 2200 West Salzburg
Road P.O. Box 994
Midland, Michigan 48686-0994 / US
 [2021/43]
Representative(s)Murgitroyd & Company
165-169 Scotland Street
Glasgow G5 8PL / GB
[N/P]
Former [2021/43]Murgitroyd & Company
Murgitroyd House
165-169 Scotland Street
Glasgow G5 8PL / GB
Application number, filing date19836772.416.12.2019
[2021/43]
WO2019US66556
Priority number, dateUS201862783697P21.12.2018         Original published format: US 201862783697 P
[2021/43]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2020131705
Date:25.06.2020
Language:EN
[2020/26]
Type: A1 Application with search report 
No.:EP3898779
Date:27.10.2021
Language:EN
The application published by WIPO in one of the EPO official languages on 25.06.2020 takes the place of the publication of the European patent application.
[2021/43]
Type: B1 Patent specification 
No.:EP3898779
Date:08.02.2023
Language:EN
[2023/06]
Search report(s)International search report - published on:EP25.06.2020
ClassificationIPC:C08G77/445, C08L83/10, C09D183/10
[2021/43]
CPC:
C08G77/445 (EP,KR,US); C08G18/10 (EP); C08G18/244 (EP);
C08G18/246 (EP); C08G18/4277 (EP,US); C08G18/61 (EP,US);
C08G18/755 (EP); C08G63/6952 (EP,KR); C08G77/12 (KR);
C08G77/18 (KR,US); C08G77/388 (US); C08G77/48 (US);
C08L83/10 (EP); C09D183/10 (EP,US); C09J183/10 (US);
C09J5/00 (US); C08G2190/00 (EP,KR,US); C08G77/70 (US) (-)
C-Set:
C08G18/10, C08G18/42 (EP)
Designated contracting statesAL,   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 [2021/43]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:SILIKON-POLYESTER-COPOLYMER, DICHTMITTEL DAMIT UND ZUGEHÖRIGE VERFAHREN[2021/43]
English:SILICONE-POLYESTER COPOLYMER, SEALANTS COMPRISING SAME, AND RELATED METHODS[2021/43]
French:COPOLYMÈRE SILICONE-POLYESTER, PRODUITS DE SCELLEMENT LE COMPRENANT, ET PROCÉDÉS ASSOCIÉS[2021/43]
Entry into regional phase16.07.2021National basic fee paid 
16.07.2021Designation fee(s) paid 
16.07.2021Examination fee paid 
Examination procedure16.07.2021Amendment by applicant (claims and/or description)
16.07.2021Examination requested  [2021/43]
16.07.2021Date on which the examining division has become responsible
21.09.2022Communication of intention to grant the patent
21.12.2022Fee for grant paid
21.12.2022Fee for publishing/printing paid
21.12.2022Receipt of the translation of the claim(s)
Opposition(s)09.11.2023No opposition filed within time limit [2024/03]
Fees paidRenewal fee
10.11.2021Renewal fee patent year 03
14.11.2022Renewal fee patent year 04
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  TooltipAT08.02.2023
CZ08.02.2023
DK08.02.2023
EE08.02.2023
ES08.02.2023
FI08.02.2023
HR08.02.2023
IT08.02.2023
LT08.02.2023
LV08.02.2023
MC08.02.2023
NL08.02.2023
PL08.02.2023
RO08.02.2023
RS08.02.2023
SE08.02.2023
SI08.02.2023
SK08.02.2023
SM08.02.2023
NO08.05.2023
GR09.05.2023
IS08.06.2023
PT09.06.2023
[2024/40]
Former [2024/26]AT08.02.2023
CZ08.02.2023
DK08.02.2023
EE08.02.2023
ES08.02.2023
FI08.02.2023
HR08.02.2023
IT08.02.2023
LT08.02.2023
LV08.02.2023
NL08.02.2023
PL08.02.2023
RO08.02.2023
RS08.02.2023
SE08.02.2023
SI08.02.2023
SK08.02.2023
SM08.02.2023
NO08.05.2023
GR09.05.2023
IS08.06.2023
PT09.06.2023
Former [2024/11]AT08.02.2023
CZ08.02.2023
DK08.02.2023
EE08.02.2023
ES08.02.2023
FI08.02.2023
HR08.02.2023
LT08.02.2023
LV08.02.2023
NL08.02.2023
PL08.02.2023
RO08.02.2023
RS08.02.2023
SE08.02.2023
SI08.02.2023
SK08.02.2023
SM08.02.2023
NO08.05.2023
GR09.05.2023
IS08.06.2023
PT09.06.2023
Former [2023/50]AT08.02.2023
CZ08.02.2023
DK08.02.2023
EE08.02.2023
ES08.02.2023
FI08.02.2023
HR08.02.2023
LT08.02.2023
LV08.02.2023
NL08.02.2023
PL08.02.2023
RO08.02.2023
RS08.02.2023
SE08.02.2023
SK08.02.2023
SM08.02.2023
NO08.05.2023
GR09.05.2023
IS08.06.2023
PT09.06.2023
Former [2023/49]AT08.02.2023
CZ08.02.2023
DK08.02.2023
EE08.02.2023
ES08.02.2023
FI08.02.2023
HR08.02.2023
LT08.02.2023
LV08.02.2023
NL08.02.2023
PL08.02.2023
RO08.02.2023
RS08.02.2023
SE08.02.2023
SM08.02.2023
NO08.05.2023
GR09.05.2023
IS08.06.2023
PT09.06.2023
Former [2023/48]AT08.02.2023
DK08.02.2023
EE08.02.2023
ES08.02.2023
FI08.02.2023
HR08.02.2023
LT08.02.2023
LV08.02.2023
NL08.02.2023
PL08.02.2023
RS08.02.2023
SE08.02.2023
SM08.02.2023
NO08.05.2023
GR09.05.2023
IS08.06.2023
PT09.06.2023
Former [2023/46]AT08.02.2023
DK08.02.2023
ES08.02.2023
FI08.02.2023
HR08.02.2023
LT08.02.2023
LV08.02.2023
NL08.02.2023
PL08.02.2023
RS08.02.2023
SE08.02.2023
SM08.02.2023
NO08.05.2023
GR09.05.2023
IS08.06.2023
PT09.06.2023
Former [2023/39]AT08.02.2023
ES08.02.2023
FI08.02.2023
HR08.02.2023
LT08.02.2023
LV08.02.2023
NL08.02.2023
PL08.02.2023
RS08.02.2023
SE08.02.2023
NO08.05.2023
GR09.05.2023
IS08.06.2023
PT09.06.2023
Former [2023/38]AT08.02.2023
ES08.02.2023
FI08.02.2023
HR08.02.2023
LT08.02.2023
LV08.02.2023
NL08.02.2023
PL08.02.2023
RS08.02.2023
SE08.02.2023
NO08.05.2023
GR09.05.2023
PT09.06.2023
Former [2023/37]AT08.02.2023
ES08.02.2023
FI08.02.2023
HR08.02.2023
LT08.02.2023
LV08.02.2023
NL08.02.2023
RS08.02.2023
SE08.02.2023
NO08.05.2023
GR09.05.2023
PT09.06.2023
Former [2023/36]AT08.02.2023
ES08.02.2023
FI08.02.2023
HR08.02.2023
LT08.02.2023
LV08.02.2023
NL08.02.2023
RS08.02.2023
SE08.02.2023
NO08.05.2023
PT09.06.2023
Former [2023/35]AT08.02.2023
ES08.02.2023
HR08.02.2023
LT08.02.2023
NL08.02.2023
RS08.02.2023
NO08.05.2023
PT09.06.2023
Former [2023/34]ES08.02.2023
LT08.02.2023
RS08.02.2023
PT09.06.2023
Former [2023/33]ES08.02.2023
LT08.02.2023
Cited inInternational search[A]US5403881  (OKAWA TADASHI [JP], et al);
 [A]US2012135241  (YASUDA TERUHIKO [JP], et al)
by applicantUS3159601
 US3220972
 US3296291
 US3419593
 US3516946
 US3814730
 US3989668
 US4766176
 US4784879
 US5017654
 US5036117
 US5175325
 US2008300358
 US2009291238
 US19370625246
 US19360625246
 US19390625246
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.