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:
Dec. 07, 1999
Filed:
Oct. 22, 1998
Applicant:
Inventors:
Anatoly Lipkin, Congers, NY (US);
Ibrahim Bechara, Carmel, NY (US);
Assignee:
Witco Corporation, Greenwich, CT (US);
Primary Examiner:
Int. Cl.
CPC ...
C08J / ; C08K / ; C08L / ; A41D / ; A61F / ;
U.S. Cl.
CPC ...
524591 ; 2159 ; 21617 ; 2167 ; 2168 ; 264239 ; 264299 ; 264301 ; 264305 ; 446220 ; 524539 ; 524839 ; 524840 ; 604264 ; 604349 ;
Abstract
Disclosed are aqueous polyurethane dispersions prepared from polyester polyols having 0.95 to 1.5 equivalents of carboxylic functionality thereon per equivalent of polyol, the dispersions also containing a nonionic surfactant component wherein the ratio by weight of said carboxylic functionality to said nonionic surfactant component is 1:2.5 to 1:0.5. The dispersions are particularly adapted to the formation of thin wall articles exhibiting greatly improved properties.