Use Of Charged Surfactants For Reducing Textile Staining By Antiperspirants

Patent No. EP3111916 (titled "Use Of Charged Surfactants For Reducing Textile Staining By Antiperspirants") was filed by Beiersdorf on Feb 24, 2010. The application was issued on Apr 2, 2025.

Patent Summary

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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
HENKELJan 22, 2021-
UNILEVER UNILEVERJan 22, 2021WHALEY

Dossier Documents

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EP3111916

BEIERSDORF
Application Number
EP16001568A
Filing Date
Feb 24, 2010
Status
Patent Maintained As Amended
Feb 28, 2025
Publication Date
Apr 2, 2025