IP Verse

Methylhydroxypropylcellulose (Mhpc) For Mineral -Bound Building Material Systems - EP2134752

The patent EP2134752 was granted to DOW on Apr 19, 2017. The application was originally filed on Mar 15, 2008 under application number EP08716568A. The patent is currently recorded with a legal status of "Revoked".

EP2134752

DOW
Application Number
EP08716568A
Filing Date
Mar 15, 2008
Status
Revoked
Feb 11, 2022
Grant Date
Apr 19, 2017
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

TYLOSE & COKGJan 18, 2018PLATEADMISSIBLE

Patent Citations (14) New

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

Citation PhasePublication NumberPublication Link
INTERNATIONAL-SEARCH-REPORTGB2262527
INTERNATIONAL-SEARCH-REPORTUS2001025101
INTERNATIONAL-SEARCH-REPORTUS2001034441
INTERNATIONAL-SEARCH-REPORTUS2005241541
INTERNATIONAL-SEARCH-REPORTUS4979681
OPPOSITIONDE3909070
OPPOSITIONEP0353789
OPPOSITIONEP0370447
OPPOSITIONEP0954536
OPPOSITIONEP1136458
OPPOSITIONGB2262527
OPPOSITIONUS2001025101
OPPOSITIONUS2001034441
OPPOSITIONUS2005241541

Non-Patent Literature (NPL) Citations (4) 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- "An introduction to methocel cellulose ethers", Technical Handbook METHOCEL Cellulose Ethers,, (20020900), pages 1 - 30, XP055591232-
OPPOSITION- "CULMINAL - METHYLCELLULOSE METHYLHYDROXYETHYLCELLULOSE METHYLHYDROXYPROPYLCELLULOSE: PHYSICAL AND CHEMICAL PROPERTIES , PROPERTIES OF CULMINAL SOLUTIONS", CULMINAL-
OPPOSITION- H. REUL, "3.2.2.1 Rohstoffe, Spezifikationen", Handbuch der Bauchemie, KG , Augsburg, (19910000), pages 266 - 271, XP055626022-
OPPOSITION- REINHARD DÖNGES, "Entwicklung in der Herstellung und Anwendung von Celluloseethern", DAS PAPIER, (19970000), vol. 12, pages 653 - 660, XP000726080-

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