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
Register Forum

2022.02.11

More...
blank News flashes

News flashes

New version of the European Patent Register - SPC information for Unitary Patents.

2024-03-06

More...
blank Related links

Extract from the Register of European Patents

EP About this file: EP3802704

EP3802704 - ALKENYL-FUNCTIONAL POLYDIORGANOSILOXANE COMPOSITIONS AND METHODS FOR USE THEREOF IN FORMING WOOD PLASTIC COMPOSITES [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  21.04.2023
Database last updated on 24.04.2024
FormerThe patent has been granted
Status updated on  13.05.2022
FormerGrant of patent is intended
Status updated on  19.01.2022
FormerRequest for examination was made
Status updated on  12.03.2021
FormerThe international publication has been made
Status updated on  12.02.2021
Formerunknown
Status updated on  14.08.2020
Most recent event   Tooltip09.02.2024Lapse of the patent in a contracting state
New state(s): IT
published on 13.03.2024  [2024/11]
Applicant(s)For all designated states
Dow Silicones Corporation
2200 W. Salzburg Road
Auburn, MI 48686-0994 / US
[2021/15]
Inventor(s)01 / CHORVATH, Igor
2200 West Salzburg Road
Midland
Michigan 48686-0994 / US
02 / KEENIHAN, James
2200 West Salzburg Road
Midland
Michigan 48686-0994 / US
03 / BRUCE, Keith
2200 West Salzburg Road
Midland
Michigan 48686-0994 / US
04 / GAAL, Sean
2200 West Salzburg Road
Midland
Michigan 48686-0994 / US
 [2021/15]
Representative(s)Murgitroyd & Company
165-169 Scotland Street
Glasgow G5 8PL / GB
[N/P]
Former [2021/15]Murgitroyd & Company
Murgitroyd House
165-169 Scotland Street
Glasgow G5 8PL / GB
Application number, filing date20751686.510.06.2020
[2021/15]
WO2020US36890
Priority number, dateUS201962883682P07.08.2019         Original published format: US 201962883682 P
[2021/15]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2021025775
Date:11.02.2021
Language:EN
[2021/06]
Type: A1 Application with search report 
No.:EP3802704
Date:14.04.2021
Language:EN
The application published by WIPO in one of the EPO official languages on 11.02.2021 takes the place of the publication of the European patent application.
[2021/15]
Type: B1 Patent specification 
No.:EP3802704
Date:15.06.2022
Language:EN
[2022/24]
Search report(s)International search report - published on:EP11.02.2021
ClassificationIPC:C08L97/02, C08L23/06, C08L83/04, C08G77/20
[2021/15]
CPC:
C08L23/06 (EP,CN,KR,US); C08L97/02 (EP,CN,KR,US); C08L23/0815 (CN);
C08L23/0869 (KR); C08L83/04 (KR); C08G77/20 (EP);
C08L2205/03 (CN,US); C08L2205/035 (CN); C08L2207/066 (KR);
C08L2207/20 (KR,US) (-)
C-Set:
C08L23/06, C08L51/06, C08L83/04 (CN);
C08L23/06, C08L97/02, C08L83/04 (EP);
C08L23/0815, C08L51/06, C08L83/04 (CN);
C08L97/02, C08L23/06, C08L23/0815, C08L83/04, C08L51/06 (CN);
C08L97/02, C08L23/06, C08L83/04 (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 [2021/15]
TitleGerman:ALKENYLFUNKTIONELLE POLYDIORGANOSILOXANZUSAMMENSETZUNGEN UND VERFAHREN ZU DEREN VERWENDUNG ZUR HERSTELLUNG VON HOLZ-KUNSTSTOFF-VERBUNDMATERIALIEN[2021/15]
English:ALKENYL-FUNCTIONAL POLYDIORGANOSILOXANE COMPOSITIONS AND METHODS FOR USE THEREOF IN FORMING WOOD PLASTIC COMPOSITES[2021/15]
French:COMPOSITIONS DE POLYDIORGANOSILOXANE À FONCTION ALCÉNYLE ET LEURS PROCÉDÉS D'UTILISATION DANS LA FORMATION DE COMPOSITES BOIS-PLASTIQUE[2021/15]
Entry into regional phase06.01.2021Translation filed 
06.01.2021National basic fee paid 
06.01.2021Designation fee(s) paid 
06.01.2021Examination fee paid 
Examination procedure06.01.2021Examination requested  [2021/15]
06.01.2021Date on which the examining division has become responsible
07.04.2021Amendment by applicant (claims and/or description)
20.01.2022Communication of intention to grant the patent
03.05.2022Fee for grant paid
03.05.2022Fee for publishing/printing paid
03.05.2022Receipt of the translation of the claim(s)
Opposition(s)16.03.2023No opposition filed within time limit [2023/21]
Fees paidRenewal fee
20.03.2022Renewal 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  TooltipAL15.06.2022
AT15.06.2022
CZ15.06.2022
DK15.06.2022
EE15.06.2022
ES15.06.2022
FI15.06.2022
HR15.06.2022
IT15.06.2022
LT15.06.2022
LV15.06.2022
MC15.06.2022
NL15.06.2022
PL15.06.2022
RO15.06.2022
RS15.06.2022
SE15.06.2022
SI15.06.2022
SK15.06.2022
SM15.06.2022
BG15.09.2022
NO15.09.2022
GR16.09.2022
IS15.10.2022
PT17.10.2022
[2024/11]
Former [2024/09]AL15.06.2022
AT15.06.2022
CZ15.06.2022
DK15.06.2022
EE15.06.2022
ES15.06.2022
FI15.06.2022
HR15.06.2022
LT15.06.2022
LV15.06.2022
MC15.06.2022
NL15.06.2022
PL15.06.2022
RO15.06.2022
RS15.06.2022
SE15.06.2022
SI15.06.2022
SK15.06.2022
SM15.06.2022
BG15.09.2022
NO15.09.2022
GR16.09.2022
IS15.10.2022
PT17.10.2022
Former [2023/25]AL15.06.2022
AT15.06.2022
CZ15.06.2022
DK15.06.2022
EE15.06.2022
ES15.06.2022
FI15.06.2022
HR15.06.2022
LT15.06.2022
LV15.06.2022
NL15.06.2022
PL15.06.2022
RO15.06.2022
RS15.06.2022
SE15.06.2022
SI15.06.2022
SK15.06.2022
SM15.06.2022
BG15.09.2022
NO15.09.2022
GR16.09.2022
IS15.10.2022
PT17.10.2022
Former [2023/21]AL15.06.2022
AT15.06.2022
CZ15.06.2022
DK15.06.2022
EE15.06.2022
ES15.06.2022
FI15.06.2022
HR15.06.2022
LT15.06.2022
LV15.06.2022
NL15.06.2022
PL15.06.2022
RO15.06.2022
RS15.06.2022
SE15.06.2022
SK15.06.2022
SM15.06.2022
BG15.09.2022
NO15.09.2022
GR16.09.2022
IS15.10.2022
PT17.10.2022
Former [2023/17]AL15.06.2022
AT15.06.2022
CZ15.06.2022
EE15.06.2022
ES15.06.2022
FI15.06.2022
HR15.06.2022
LT15.06.2022
LV15.06.2022
NL15.06.2022
PL15.06.2022
RO15.06.2022
RS15.06.2022
SE15.06.2022
SK15.06.2022
SM15.06.2022
BG15.09.2022
NO15.09.2022
GR16.09.2022
IS15.10.2022
PT17.10.2022
Former [2023/12]AT15.06.2022
CZ15.06.2022
EE15.06.2022
ES15.06.2022
FI15.06.2022
HR15.06.2022
LT15.06.2022
LV15.06.2022
NL15.06.2022
PL15.06.2022
RO15.06.2022
RS15.06.2022
SE15.06.2022
SK15.06.2022
SM15.06.2022
BG15.09.2022
NO15.09.2022
GR16.09.2022
IS15.10.2022
PT17.10.2022
Former [2023/11]AT15.06.2022
CZ15.06.2022
EE15.06.2022
ES15.06.2022
FI15.06.2022
HR15.06.2022
LT15.06.2022
LV15.06.2022
NL15.06.2022
PL15.06.2022
RO15.06.2022
RS15.06.2022
SE15.06.2022
SK15.06.2022
SM15.06.2022
BG15.09.2022
NO15.09.2022
GR16.09.2022
PT17.10.2022
Former [2023/09]AT15.06.2022
CZ15.06.2022
EE15.06.2022
ES15.06.2022
FI15.06.2022
HR15.06.2022
LT15.06.2022
LV15.06.2022
NL15.06.2022
RO15.06.2022
RS15.06.2022
SE15.06.2022
SK15.06.2022
SM15.06.2022
BG15.09.2022
NO15.09.2022
GR16.09.2022
PT17.10.2022
Former [2023/08]AT15.06.2022
ES15.06.2022
FI15.06.2022
HR15.06.2022
LT15.06.2022
LV15.06.2022
NL15.06.2022
RS15.06.2022
SE15.06.2022
BG15.09.2022
NO15.09.2022
GR16.09.2022
Former [2023/07]AT15.06.2022
FI15.06.2022
HR15.06.2022
LT15.06.2022
LV15.06.2022
NL15.06.2022
RS15.06.2022
SE15.06.2022
BG15.09.2022
NO15.09.2022
GR16.09.2022
Former [2023/02]FI15.06.2022
HR15.06.2022
LT15.06.2022
LV15.06.2022
NL15.06.2022
RS15.06.2022
SE15.06.2022
BG15.09.2022
NO15.09.2022
GR16.09.2022
Former [2022/50]FI15.06.2022
HR15.06.2022
LT15.06.2022
LV15.06.2022
RS15.06.2022
SE15.06.2022
BG15.09.2022
NO15.09.2022
GR16.09.2022
Former [2022/49]FI15.06.2022
HR15.06.2022
LT15.06.2022
LV15.06.2022
SE15.06.2022
BG15.09.2022
NO15.09.2022
GR16.09.2022
Former [2022/47]FI15.06.2022
LT15.06.2022
SE15.06.2022
NO15.09.2022
Cited inInternational search[A]US2015093529  (FUJITA TARO [JP], et al) [A] 1-16 * table 1 * * examples 5-6 *;
 [A]CN104774368  (UNIV GUILIN TECH GUT) [A] 1-16* claim 1 *;
 [A]CN106117771  (HEFEI ZHIYUAN PACKAGING TECH CO LTD) [A] 1-16 * claim 1 *;
 [A]CN106380878  (GUILIN SHUKANG BUILDING MAT CO LTD) [A] 1-16 * example 1 *
by applicantUS3645992
 US4076698
 US5272236
 US5278272
 US5582923
 US7897689
 WO2018049555
 US2019023895
    - PETTERSEN, ROGER C., The Chemical Composition of Wood, U.S. Department of Agriculture, Forest Service, (19990000), pages 1 - 76
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.