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Detergent Composition

Patent No. EP3034588 (titled "Detergent Composition") was filed by The Procter & Gamble on Dec 17, 2014. The application was issued on Apr 24, 2019.

Patent Summary

This sodium tripolyphosphate-free automatic dishwashing detergent composition features a pH of 5 to 7.5 (preferably <6.9) in a 1% aqueous solution at 25°C. It comprises a lime soap dispersing agent and a low-temperature amylase exhibiting at least 1.2 times the relative activity of SEQ ID NO:3 at 25°C (relative activity defined as activity at assay temperature divided by activity at optimal temperature at pH 9). The amylase is selected from: a) variants of a parent amylase (≥60% identity to SEQ ID NO:4) with substitutions at specified positions (e.g., 9, 26, 30) and preferred deletions of D183* and G184*; b) variants (≥90% identity to SEQ ID NO:5) with deletions at 183/184 and/or specified substitutions; c) variants (≥95% identity to SEQ ID NO:6) with mutations M202, M208, S255, R172, and/or M261; or d) mixtures thereof.

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Patent Oppositions (4)

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
UNILEVER UNILEVERJan 24, 2020VAN BENTHUM
HENKELJan 23, 2020-
NOVOZYMESJan 21, 2020POTTER CLARKSON
RECKITT BENCKISER FINISH B.V.Jan 14, 2020CURRAN

Dossier Documents

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  • Date

    Description

EP3034588

THE PROCTER & GAMBLE
Application Number
EP14198695A
Filing Date
Dec 17, 2014
Status
Revoked
Nov 29, 2024
Publication Date
Apr 24, 2019
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