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. 14, 1981
Filed:
May. 29, 1979
Applicant:
Inventors:
David P Bishop, Wirral, GB;
Robert T Nelson, Wirral, GB;
Assignee:
Lever Brothers Company, New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C11D / ; C11D / ; C11D / ; C11D / ;
U.S. Cl.
CPC ...
252542 ; 25217421 ; 252526 ; 252527 ; 252528 ; 252546 ; 252547 ; 252D / ; 252545 ;
Abstract
The incorporation of small amounts of cationic surfactant and zwitterionic or semipolar detergent in a polyoxyalkylene nonionic detergent suppresses dye transfer in the wash.