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:
Sep. 01, 1992
Filed:
Nov. 13, 1990
Applicant:
Inventors:
Thomas W Bodnar, Macungie, PA (US);
Leslie A Cole, New Haven, CT (US);
Shenghong A Dai, Lake Jackson, TX (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
521130 ;
Abstract
Disclosed are rigid polyurethane-polyisocyanurate foams prepared from polyisocyanates, polyols, trimer catalysts and a blowing agent mixture comprising (i) a halocarbon, and (ii) an organic carboxylic acid, and, optionally water. The foams have excellent aged K-factor values at fluorocarbon levels reduced by up to 75 percent over prior art materials.
Quick Actions:
Bodnar, Thomas. (1992). Carboxylic acid modified carbon dioxide co-blown (U.S. Patent No. 5143945). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5143945
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile