The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 16, 2004
Filed:
Jul. 14, 2000
Vance Bergeron, Lyons, FR;
Harold Schoonbrood, Fitzroy North, AU;
Rhodia Chimie, Boulogne Billancourt Cedex, FR;
Abstract
The invention relates to the use of a copolymer or a mixture of copolymers as foam-protecting agents in detergent or cosmetic formulations, comprising at least one monomer (I) selected from the acids, diacids or unsaturated C3-C5 anhydrides; or at least one monomer (II) selected from ethylene oxide and propylene oxide; or at least one monomer (III) selected from the linear or branched C4-C8 hydrocarbons, comprising at least one ethenoid unsaturation; or at least one monomer (IV) of formula R1 —COO—R2, where R1 is a possibly substituted linear or branched C1-C3 hydrocarbon radical; R2 is a linear or branched C1-C4 hydrocarbon radical which is possibly substituted by an anionic radical or a hydroxyl group; and the monomer (IV) further comprises at least one ethenoid unsaturation.