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:
Nov. 19, 2002
Filed:
Dec. 05, 2000
Applicant:
Inventors:
Bala Srinivas, Hasbrouck Heights, NJ (US);
Jenn S. Shih, Paramus, NJ (US);
Assignee:
ISP Investments Inc., Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D 7/26 ; C11D 7/32 ; C11D 7/22 ;
U.S. Cl.
CPC ...
C11D 7/26 ; C11D 7/32 ; C11D 7/22 ;
Abstract
This invention relates to laundry detergent compositions, and, more particularly, to such compositions containing water soluble poly(vinylpyridine) betaine polymers containing a quaternary nitrogen and a carboxylic acid group, which polymers have effective dye complexing properties therein.