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:
Oct. 10, 2000
Filed:
Sep. 20, 1996
Applicant:
Inventors:
Murray H Reich, Princeton, NJ (US);
Ken Nelson, Lambertville, NJ (US);
Assignee:
Tyndale Plains-Hunter, Ltd., Lawrenceville, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; C08G / ; A61K / ;
U.S. Cl.
CPC ...
528 76 ; 8 9416 ; 424 63 ; 424 65 ; 424 701 ; 424 7011 ; 424401 ; 424445 ; 521157 ; 521174 ; 521176 ; 528 71 ; 528904 ; 528905 ; 602 41 ; 602 46 ; 604304 ;
Abstract
An improved polyurethane is prepared by reacting a diol, an organic diisocyanate and a carboxylic acid with a critical selection of the amount of water in the reaction mixture. The polyurethane has improved adhesion, hydrophilicty and strength. The polymer has improved feel, and washability. Solutions of the polymer have low viscosity in aqueous solutions.