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. 24, 1998
Filed:
Nov. 26, 1996
Applicant:
Inventors:
Theodore M Smiecinski, Woodhaven, MI (US);
Steven E Wujcik, Romulus, MI (US);
Donald C Mente, Grosse Ile, MI (US);
Assignee:
BASF Corporation, Mt. Olive, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; C08G / ;
U.S. Cl.
CPC ...
252609 ; 521159 ; 521129 ;
Abstract
The invention pertains to flame retardant flexible polyurethane foams prepared by reacting a polyether polyol and an organic isocyanate in the presence of a blowing agent and incorporating melamine and an effective amount of another flame retardant. The organic isocyanate comprises carbodiimide-uretonimine-modified diphenylmehtane diisocyanate and toluene diisocyanate. The polyurethane foams exceed conventional flame retardancy standards and exhibit flame spread index values of less than 25 as measured under flame test procedure ASTM D3675-90.