Thermoplastic Resins Containing Pbt Units, Having Reduced Organic Carbon Emissions

Patent No. EP1999181 (titled "Thermoplastic Resins Containing Pbt Units, Having Reduced Organic Carbon Emissions") was filed by E I DU Pont DE Nemours on Mar 20, 2007. The application was issued on Jan 17, 2018.

Patent Summary

Patent Family

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

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
BASFMar 20, 2015FEAUX DE LACROIX

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

EP1999181

E I DU PONT DE NEMOURS
Application Number
EP07753559A
Filing Date
Mar 20, 2007
Status
Patent Maintained As Amended
Dec 15, 2017
Publication Date
Jan 17, 2018