Crystallization Of Adipic Acid From Its Solution In Aqueous Nitric Acid

Patent No. EP1678114 (titled "Crystallization Of Adipic Acid From Its Solution In Aqueous Nitric Acid") was filed by Invista on Oct 14, 2004. The application was issued on Jun 25, 2014.

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 DateRepresentative
RHODIA OPERATIONSMar 25, 2015CHATELAN

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

EP1678114

INVISTA
Application Number
EP04794920A
Filing Date
Oct 14, 2004
Status
Revoked
Apr 15, 2019
Publication Date
Jun 25, 2014