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Low-Molecular-Weight Polyacrylic Acids Containing Phosphorus And Use Thereof As Dispersants - EP2670524

The patent EP2670524 was granted to Basf on May 10, 2017. The application was originally filed on Feb 3, 2012 under application number EP12702261A. The patent is currently recorded with a legal status of "Revoked".

EP2670524

BASF
Application Number
EP12702261A
Filing Date
Feb 3, 2012
Status
Revoked
Oct 5, 2022
Publication Date
May 10, 2017
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (3)

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 DateRepresentativeOpposition Status

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BWA WATER ADDITIVES UKFeb 9, 2018APPLEYARD LEESADMISSIBLE
COATEXFeb 9, 2018REGIMBEAUADMISSIBLE
NIPPON SHOKUBAIFeb 5, 2018CABINET BEAU DE LOMENIEADMISSIBLE

Patent Citations (20) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTEP0510831
INTERNATIONAL-SEARCH-REPORTEP0618240
INTERNATIONAL-SEARCH-REPORTEP0792890
INTERNATIONAL-SEARCH-REPORTUS5216099
OPPOSITIONAU2012213403
OPPOSITIONEP0405818
OPPOSITIONEP0618240
OPPOSITIONJP2000080396
OPPOSITIONJP2003041089
OPPOSITIONJP2004107474
OPPOSITIONJP2004217899
OPPOSITIONJP2010077340
OPPOSITIONJPH07126504
OPPOSITIONUS4681686
OPPOSITIONUS5216099
OPPOSITIONWO2012104304
OPPOSITIONWO2012104325
OPPOSITIONWO2012104401
OTHERJP2010077340
OTHERUS5216099

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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    Description

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