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. 21, 1993
Filed:
Mar. 22, 1993
Applicant:
Inventors:
Richard M Crooker, Lehigh, PA (US);
Maher Y Elsheikh, Tredyffrin, PA (US);
Assignee:
Elf Atochem North America, Inc., Philadelphia, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C09K / ;
U.S. Cl.
CPC ...
252399 ; 252350 ; 2524001 ; 25240052 ; 521 98 ; 521131 ; 521 92 ; 521124 ;
Abstract
Storage-stable 141b prepared by contacting 141b with alumina at temperatures of about 0-100 degrees Centigrade, compositions containing the thus treated 141b, and uses thereof for the production of polyurethane and polyisocyanurate foams.