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:
Oct. 08, 1996
Filed:
Dec. 22, 1995
Applicant:
Inventors:
Joachim Werner, Bethel Park, PA (US);
Scott A Kane, Wellsburg, WV (US);
Charles E Mortimer, Tarentum, PA (US);
Herman P Doerge, Pittsburgh, PA (US);
Eric F Boonstra, Oakdale, PA (US);
Assignee:
Bayer Corporation, Pittsburgh, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ; C08J / ; C11D / ;
U.S. Cl.
CPC ...
252 67 ; 252305 ; 252364 ; 264 53 ; 264D / ; 521 98 ; 521131 ; 521902 ; 521910 ;
Abstract
Azeotropic compositions made up of from about 65 to about 81% by weight of 1,1,1,3,3-pentafluoropropane and from about 19 to about 35% by weight of 2-methyl butane have been found to be particularly useful as blowing agents for the production of polyurethane foams.
Werner, Joachim. (1996). Azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and 2-methyl (U.S. Patent No. 5562857). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5562857
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile