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. 13, 1991
Filed:
Dec. 11, 1990
Applicant:
Inventors:
Matthew E Langer, New City, NY (US);
Ferial Khorshahi, Leonia, NJ (US);
Michael P Aronson, West Nyack, NY (US);
Assignee:
Lever Brothers Company, division of Conopco, Inc., New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528272 ; 528274 ; 528275 ; 528288 ; 528291 ; 528295 ; 528298 ; 528300 ; 528304 ; 5283086 ; 525444 ;
Abstract
The present invention pertains to polymeric whitening agents which contain both a fluorescent portion and a hydrophilic portion. These copolymers may be used on certain substrates, such as polyester or soiled cottons, for a greater brightening than previously known.
Quick Actions:
Langer, Matthew. (1991). Polymeric whitening agent (U.S. Patent No. 5039782). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5039782
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile