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:
May. 14, 1985
Filed:
Apr. 11, 1984
Applicant:
Inventor:
Keiichi Nakatani, Kyoto, JP;
Assignee:
Abbott Laboratories, North Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; C08G / ;
U.S. Cl.
CPC ...
521 51 ; 2643281 ; 528 49 ; 4283084 ; 4283105 ; 521129 ; 521130 ; 521904 ;
Abstract
A method of manufacturing polyurethane foam by a reaction of organic polyisocyanates and polyols in the presence of a foaming agent and catalysts comprises using as the catalyst, a salt of carbonic acid and polyamine represented by the general formula: ##STR1## wherein R.sub.1 and R.sub.2 are an alkyl group having 1-4 carbon atoms or R.sub.1 and R.sub.2 are combined to form a heterocyclic ring having 3-6 carbon atoms together with a nitrogen atom; and R.sub.3 is an alkylene group.
Nakatani, Keiichi. (1985). Method of making polyurethane foam (U.S. Patent No. 4517313). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4517313
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile