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. 22, 1990
Filed:
Jan. 31, 1989
Applicant:
Inventors:
Kurt C Frisch, Jr, Fridley, MN (US);
Robert F Harris, Midland, MI (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
521163 ; 521128 ; 25218226 ; 25218228 ;
Abstract
This invention relates to the use of polyamine compounds having their backbone modified by the incorporation of aminocarbonyl or aminothiocarbonyl moieties as cell opening agents in the preparation of open-celled flexible polyurethane foams. Use of the polyamine compound as cell opening agent provides for improved cell opening and provides foam with acceptable physical properties.
Frisch, Jr, Kurt. (1990). Use of a polyamine as cell opener in polyurethane foam (U.S. Patent No. 4927864). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4927864
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile