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:
Jan. 26, 1999
Filed:
Jun. 26, 1998
Applicant:
Inventors:
Jenn S Shih, Paramus, NJ (US);
Bala Srinivas, Hasbrouck Heights, NJ (US);
John C Hornby, Washington Township, NJ (US);
Assignee:
ISP Investments Inc., Wilmington, DE (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D / ;
U.S. Cl.
CPC ...
510361 ; 510476 ;
Abstract
A laundry detergent composition suitable for washing colored fabrics includes a water soluble poly(4-vinylpyridine betaine) polymer containing a quaternary nitrogen and a carboxylate salt as a dye transfer inhibitor therein.