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Process For Preparing A Surfactant Composition Based On A Glycine Betaine Ester Salt, And Composition Thus Obtained - EP3887493

The patent EP3887493 was granted to Surfactgreen on Jan 15, 2025. The application was originally filed on Nov 25, 2019 under application number EP19868174A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3887493

SURFACTGREEN
Application Number
EP19868174A
Filing Date
Nov 25, 2019
Status
Granted And Under Opposition
Dec 13, 2024
Publication Date
Jan 15, 2025
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (2)

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

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BALS & VOGEL PATENTANWALTEOct 15, 2025-ADMISSIBLE
CLARIANTOct 14, 2025CLARIANT PRODUKTE DEUTSCHLANDADMISSIBLE

Patent Citations (24) New

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

Citation PhasePublication Number
DESCRIPTIONUS7829521
DESCRIPTIONWO2013188508
DESCRIPTIONWO2015003968
DESCRIPTIONWO2015078890
INTERNATIONAL-SEARCH-REPORTWO2009150369
INTERNATIONAL-SEARCH-REPORTWO2015003968
INTERNATIONAL-SEARCH-REPORTWO2015078890
OPPOSITIONEP0750904
OPPOSITIONEP1000544
OPPOSITIONEP1016650
OPPOSITIONEP1197206
OPPOSITIONFR3088930
OPPOSITIONUS2007197420
OPPOSITIONUS2007243321
OPPOSITIONUS7662225
OPPOSITIONUS7829521
OPPOSITIONWO2005121291
OPPOSITIONWO2009150369
OPPOSITIONWO2013188508
OPPOSITIONWO2015003968
OPPOSITIONWO2015078890
OPPOSITIONWO2017034792
OPPOSITIONWO2017099933
OPPOSITIONWO2020109710

Dossier Documents

The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.

  • Date

    Description

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