Method For Reducing The Aldehyde Emissions Of Polyurethane Foams

Patent No. EP3512896 (titled "Method For Reducing The Aldehyde Emissions Of Polyurethane Foams") was filed by Covestro on Sep 12, 2017. The application was issued on Jun 9, 2021.

Patent Summary

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Patent Family

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
BASFMar 9, 2022ALTMANN STOSSEL DICK PATENTANWALTE PARTG MBB
HUNTSMANMar 8, 2022HOFFMANN EITLE

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.

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EP3512896

COVESTRO
Application Number
EP17768422A
Filing Date
Sep 12, 2017
Status
Granted And Under Opposition
May 11, 2021
Publication Date
Jun 9, 2021