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. 25, 1981
Filed:
Jun. 07, 1979
Applicant:
Inventor:
Hans Gerber, Strengigassli, CH;
Assignee:
Sandoz Ltd., Basel, CH;
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08L / ;
U.S. Cl.
CPC ...
4273899 ; 260-3 ; 260 / ; 260 / ; 260 / ; 427389 ; 427392 ; 428445 ; 528 78 ;
Abstract
The present invention relates to a process for producing a non-woven fabric comprising impregnating a non-woven fibrous web with an aqueous binding agent dispersion containing, as coagulation agent, a polyurethane having a weight average molecular weight of from 500 to 20,000 which is the reaction product of
Gerber, Hans. (1981). Polyoxyalkyl amine-polyisocyarate reaction products as coagulation (U.S. Patent No. 4285996). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4285996
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile