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Low Molecular Mass, Phosphorus-Containing Polyacrylic Acids And Use Thereof As Scale Inhibitors In Water-Carrying Systems

Patent No. EP2670523 (titled "Low Molecular Mass, Phosphorus-Containing Polyacrylic Acids And Use Thereof As Scale Inhibitors In Water-Carrying Systems") was filed by Basf on Feb 1, 2012. The application was issued on May 3, 2017.

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
BWA WATER ADDITIVES UKFeb 2, 2018APPLEYARD LEES
COATEXFeb 2, 2018REGIMBEAU

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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EP2670523

BASF
Application Number
EP12701528A
Filing Date
Feb 1, 2012
Status
Revoked
Apr 17, 2020
Publication Date
May 3, 2017
External Links
Slate, Register, Google Patents