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:
Oct. 17, 1995
Filed:
Nov. 30, 1994
Motonao Kaku, Hirakata, JP;
Hidefumi Ohta, Kohga, JP;
Futoshi Kitatani, Kyoto, JP;
Kozaburo Nagata, Kusatsu, JP;
Sanyo Chemical Industries, Ltd., Kyoto, JP;
Abstract
The present invention is directed to flexible polyurethane foams useful as seat cushioning material for vehicles, aircraft, furniture and the like. The polyurethane foams are characterized by improved wet compression set properties, improved firmness, resilience and elongation. The foams are made by a process which comprises reacting a polyol having a hydroxyl equivalent of from 800-10,000, a glycerin derivative having oxyethylene groups thereon but characterized by having a significant number of unreacted secondary hydroxyl groups of glycerin, (c) water and (d) an organic polyisocyanate.