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. 30, 1997
Filed:
Apr. 10, 1996
Applicant:
Inventors:
Earl August Lund, deceased, late of West Seneca, NY (US);
Robert Christian Parker, Hamburg, NY (US);
Ian Robert Shankland, Williamsville, NY (US);
Assignee:
AlliedSignal Inc., Morris Township, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; C11D / ; C11D / ; C08J / ;
U.S. Cl.
CPC ...
252 67 ; 62114 ; 252 69 ; 252364 ; 521131 ; 570134 ; 585-1 ; 585-2 ;
Abstract
Azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and at least one hydrocarbon selected from the group n-pentane, iso-pentane, cyclopentane, n-hexane and iso-hexane are provided. The compositions of the invention are useful in the preparation of polyurethane and polyisocyanurate foams.