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:
Aug. 14, 2001
Filed:
Jul. 08, 1999
Derek William Emery, Merseyside, GB;
Neil Jones, Merseyside, GB;
Hendrik de Ruijter, Vlaardingen, NL;
Antonius Henricus J Strijbosch, Vlaardingen, NL;
Unilever Home & Personal Care USA, division of Conopco, Inc., Greenwich, CT (US);
Abstract
A free-flowing granular polymer composition suitable for incorporation into a particulate detergent composition comprises a defined dye-transfer-inhibiting polymer, preferably poly(4-vinylpyridine) sodium carboxymethyl betaine chloride, and a silica-based carrier material. A preferred carrier material is an acidic silica. The silica-based carrier material may optionally comprise a solid acid, for example, polyacrylic acid or phthalic acid.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile