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IP Verse

Improved Method For The Preparation Of Triacetonamine - EP3663284

The patent EP3663284 was granted to Evonik Operations on Feb 3, 2021. The application was filed on Dec 7, 2018 under application number EP18210919A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3663284

EVONIK OPERATIONS
Application Number
EP18210919A
Filing Date
Dec 7, 2018
Status
Granted And Under Opposition
Jan 1, 2021
Publication Date
Feb 3, 2021
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
BASFOct 29, 2021REITSTOTTER KINZEBACHADMISSIBLE

Patent Citations (27) New

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

Citation PhasePublication Number
DESCRIPTIONCA772201
DESCRIPTIONCN103224465
DESCRIPTIONCN108383704
DESCRIPTIONCN108383776
DESCRIPTIONCN108484483
DESCRIPTIONDE102010062804
DESCRIPTIONDE2352127
DESCRIPTIONDE2429935
DESCRIPTIONDE2429936
DESCRIPTIONDE2429937
DESCRIPTIONDE2807172
DESCRIPTIONEP2706056
DESCRIPTIONJP2001031651
DESCRIPTIONJP2003206277
DESCRIPTIONJPH04154762
DESCRIPTIONJPS54112873
DESCRIPTIONJPS5488275
DESCRIPTIONUS4536581
DESCRIPTIONUS4831146
OPPOSITIONCN102516158
OPPOSITIONCN108383704
OPPOSITIONDE102012215903
OPPOSITIONEP0013865
OPPOSITIONEP2706056
OPPOSITIONRO96131
OPPOSITIONUS2351352
SEARCHCN108383704

Dossier Documents

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