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. 04, 1998
Filed:
Nov. 22, 1996
Applicant:
Inventors:
Wilfried Blokzijl, Amsterdam, NL;
Andrew Martin Creeth, Chester, GB;
Mohamad Sami Falou, Cheadle, GB;
Andrew David Green, Liverpool, GB;
Michael Hull, Gwynedd, GB;
Reginald Vear Scowen, Wirral, GB;
Assignee:
Lever Brothers Division of CONOPCO Inc., New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D / ;
U.S. Cl.
CPC ...
510292 ; 510299 ; 510300 ;
Abstract
A laundry detergent composition contains a surfactant system consisting wholly of anionic surfactant, or of anionic and nonionic surfactants in a ratio at least 0.9:1, a detergency builder, and a soil release polymer which is a defined water-soluble or water-dispersible sulphonated non-end-capped polyester, for example, of terephthalic acid, isophthalic acid, sulphoisophthalic acid and ethylene glycol.