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. 23, 1994
Filed:
Oct. 26, 1992
Applicant:
Inventors:
Rolf Henn, Ketsch, DE;
Werner Hinz, Frankenthal, DE;
Ludwig Schuster, Limburgerhof, DE;
Klaus Vorspohl, Ludwigshafen, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C08G / ;
U.S. Cl.
CPC ...
528405 ; 25218227 ; 528419 ; 528421 ; 528425 ; 568619 ; 568620 ; 568623 ; 568624 ;
Abstract
The present invention relates to a process for the preparation of a hard foam containing urethane groups or urethane and isocyanurate groups by the polyisocyanate polyaddition process, by reacting
Henn, Rolf. (1994). Polyoxypropylene-polyols and polyoxypropylene-polyoxyethylene-polyols (U.S. Patent No. 5340916). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5340916
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile