IP Verse

Improved Epoxy Systems For Composites - EP2433985

The patent EP2433985 was granted to Hexion Research Belgium on Apr 1, 2020. The application was originally filed on Jun 21, 2011 under application number EP11005046A. The patent is currently recorded with a legal status of "Revoked".

EP2433985

HEXION RESEARCH BELGIUM
Application Number
EP11005046A
Filing Date
Jun 21, 2011
Status
Revoked
Sep 15, 2023
Grant Date
Apr 1, 2020
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

Get instant alerts for new oppositions and patent status changes

BASFDec 18, 2020-ADMISSIBLE

Patent Citations (17) New

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

Citation PhasePublication NumberPublication Link
DESCRIPTIONUS3377406
DESCRIPTIONUS3477990
DESCRIPTIONUS4734468
OPPOSITIONDE19856397
OPPOSITIONEP0155078
OPPOSITIONUS5688905
OPPOSITIONWO2010010045
OPPOSITIONWO2010010047
OPPOSITIONWO2010010048
OPPOSITIONWO9641827
SEARCHEP0034309
SEARCHEP0659833
SEARCHEP1695989
SEARCHUS3609121
SEARCHUS3801348
SEARCHWO0242349
SEARCHWO2010010045

Non-Patent Literature (NPL) Citations (3) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference TextLink
OPPOSITION- Angela Garibay-Vasquez, "The Jeffamine Polyetheramines", Huntsman, pages 1 - 6, URL: http://www.huntsman.com/portal/page/portal/performance_products/Media%20Library/global/files/jeffamine_polyetheramines.pdf, XP002729179-
OPPOSITION- BURTON et al., Epoxy Formulations using Jeffamine® Polyetheramines, (20050427), pages 1 - 105-
OPPOSITION- H. PHAM et al., Ullmann's Encyclopedia of Industrial Chemistry- Epoxy Resins, (20051015), pages 1 - 90-

Download Citation Report

Get a free citation report including examiner, opposition, and international search citations.

Get Citation Report

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

  • Get instant alerts for new documents