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IP Verse

Continuous Production Of Polyurethane Prepolymers - EP3947495

The patent EP3947495 was granted to Basf on Jun 14, 2023. The application was filed on Mar 29, 2020 under application number EP20713328A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3947495

BASF
Application Number
EP20713328A
Filing Date
Mar 29, 2020
Status
Granted And Under Opposition
May 12, 2023
Publication Date
Jun 14, 2023
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

CompanyOpposition DateRepresentativeOpposition Status
COVESTRO DEUTSCHLANDMar 13, 2024PATENTANWALTE BAUER VORBERG KAYSERADMISSIBLE

Patent Citations (23) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication Number
DESCRIPTIONDE102010027052
DESCRIPTIONDE19823392
DESCRIPTIONEP0722962
DESCRIPTIONWO0114441
DESCRIPTIONWO0191897
DESCRIPTIONWO9429361
INTERNATIONAL-SEARCH-REPORTWO0114441
INTERNATIONAL-SEARCH-REPORTWO0191897
OPPOSITIONDE69601794T
OPPOSITIONEP1284159
OPPOSITIONEP2003156
OPPOSITIONUS2003036619
OPPOSITIONWO0114441
OPPOSITIONWO0191897
OPPOSITIONWO2005122075
OPPOSITIONWO2006094706
OPPOSITIONWO2006136261
OPPOSITIONWO2007040996
OPPOSITIONWO2010009821
OPPOSITIONWO2010102916
OPPOSITIONWO2013079614
OPPOSITIONWO2015185659
OPPOSITIONWO2016054138

Dossier Documents

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