Method Of Producing Filling Comprising Water-Soluble Cellulose Ether

Patent No. EP2253216 (titled "Method Of Producing Filling Comprising Water-Soluble Cellulose Ether") was filed by Shin Etsu Chemical on May 19, 2010. The application was issued on Aug 8, 2018.

Patent Summary

Patent Family

Patent family tree
Statuses, jurisdictions and citation links are shared on request.

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 DateRepresentative
DUPONT NUTRITION BIOSCIENCESMay 3, 2019POLYPATENT BGL
INTERNATIONAL N&H DENMARK APSMay 3, 2019POLYPATENT BGL

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

EP2253216

SHIN ETSU CHEMICAL
Application Number
EP10163345A
Filing Date
May 19, 2010
Status
Granted And Under Opposition
Jul 6, 2018
Publication Date
Aug 8, 2018