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IP Verse

A Water Absorbent Resin Powder And An Absorbent Body

Patent No. EP3401070 (titled "A Water Absorbent Resin Powder And An Absorbent Body") was filed by Nippon Shokubai on Aug 28, 2014. The application was issued on Apr 21, 2021.

Patent Summary

Patent Family

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
EVONIK SUPERABSORBERJan 17, 2022VOLLMER
STOCKHAUSEN SUPERABSORBERJan 17, 2022OFFICE FREYLINGER

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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EP3401070

NIPPON SHOKUBAI
Application Number
EP18180781A
Filing Date
Aug 28, 2014
Status
Granted And Under Opposition
Mar 19, 2021
Publication Date
Apr 21, 2021
External Links
Slate, EP3401070B1, Google Patents