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:
Mar. 25, 1997
Filed:
Mar. 24, 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:
Assistant Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
521131 ; 25218215 ; 252364 ; 521155 ; 510408 ;
Abstract
Azeotropic compositions made up of (a) from about 73 to about 88% by weight perfluorohexane and (b) one compound selected from (1) about 14 to about 27% by weight 2-methyl pentane or (2) about 13 to about 25% by weight 3-methyl pentane or (3) about 12 to about 23% by weight, provided that the sum of the weight percent (a) plus weight percent (b) is 100 percent are suitable blowing agents for the production of foams.