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:
Nov. 12, 1996
Filed:
Sep. 27, 1995
Applicant:
Inventors:
Joachim Werner, Bethel Park, PA (US);
Scott A Kane, Wellsburg, WV (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 ...
H01L / ;
U.S. Cl.
CPC ...
521131 ; 252364 ; 521128 ; 521129 ; 521174 ;
Abstract
An azeotropic composition made up of from about 73 to about 87% by weight of 1,1,1,4,4,4-hexafluorobutane and from about 13 to about 27% by weight of n-pentane is used as a blowing agent in a process for the production of polyurethane foams.
Werner, Joachim. (1996). Azeotropic compositions of 1,1,1,4,4,4-hexafuorobutane and n-pentane and (U.S. Patent No. 5574072). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5574072
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile