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:
Apr. 29, 2003
Filed:
Feb. 07, 2001
Applicant:
Inventor:
Amrat Paul Singh, Bebington, GB;
Assignee:
Unilever Home & Personal Care USA division of Conopco Inc., Greenwich, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D 1/04 ; C11D 1/14 ; C11D 1/28 ; C11D 1/62 ; C11D 1/65 ;
U.S. Cl.
CPC ...
C11D 1/04 ; C11D 1/14 ; C11D 1/28 ; C11D 1/62 ; C11D 1/65 ;
Abstract
Laundry detergent compositions contain a sulphate or sulphonate anionic surfactant and a defined cationic surfactant in a weight ratio of 1:1 to 99:1. The cationic surfactant is a quaternary ammonium salt containing an ethoxylated alkyl chain. The compositions exhibit enhanced removal of oily soil.