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:
Feb. 06, 2001
Filed:
Sep. 01, 1999
Applicant:
Inventors:
Stephen Wayne Heinzman, Newcastle upon Tyne, GB;
Arnaud Pierre Struillou, Newcastle upon Tyne, GB;
Assignee:
The Procter & Gamble Company, Cincinnnati, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D 3/37 ;
U.S. Cl.
CPC ...
C11D 3/37 ;
Abstract
The present invention relates to polymers containing at least one nitrogen atom, wherein at least one of the nitrogen atoms is linked to an ester group, said ester group bearing an active alcohol. By the present invention, a delayed release of the active alcohol is provided upon contact of the compound with an aqueous medium.