Method Of Manufacturing Thermoplastic Resin Foam Particle

Patent No. EP1666222 (titled "Method Of Manufacturing Thermoplastic Resin Foam Particle") was filed by Sekisui Plastics on Sep 8, 2004. The application was issued on Feb 25, 2015.

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
GALA INDUSTRIESNov 25, 2015THOMA
NORDSONNov 25, 2015EISENFUHR SPEISER

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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EP1666222

SEKISUI PLASTICS
Application Number
EP04787745A
Filing Date
Sep 8, 2004
Status
Opposition Rejected
Oct 14, 2022
Publication Date
Feb 25, 2015