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:
Apr. 04, 1978
Filed:
Jul. 06, 1976
Applicant:
Inventors:
Bernard Rudner, Ridgewood, NJ (US);
Thomas M Noone, Little Ferry, NJ (US);
Assignee:
Tenneco Chemicals, Inc., Saddle Brook, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08J / ;
U.S. Cl.
CPC ...
260 / ; 260 / ; 264321 ; 428315 ; 428425 ; 427373 ;
Abstract
The invention provides a polyurethane foam of increased rigidity. The invention is provided by impregnating a flexible polyurethane foam with a thermosetting melamine, urea or benzoguanamine resin and a cross-linker, and then reacting the resin with the cross-linker.