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:
Dec. 03, 2019
Filed:
Jul. 23, 2012
Yusuke Maruoka, Chiba, JP;
Atsushi Miyata, Chiba, JP;
Kazuhiko Okubo, Tokyo, JP;
Tsukuru Izukawa, Tokyo, JP;
Toru Hiraide, Yamaguchi, JP;
Shinsuke Matsumoto, Chiba, JP;
Yusuke Maruoka, Chiba, JP;
Atsushi Miyata, Chiba, JP;
Kazuhiko Okubo, Tokyo, JP;
Tsukuru Izukawa, Tokyo, JP;
Toru Hiraide, Yamaguchi, JP;
Shinsuke Matsumoto, Chiba, JP;
MITSUI CHEMICALS & SKC POLYURETHANES INC., Tokyo, JP;
Abstract
This invention relates to a preparation for a polyurethane foam and a polymer polyol preparation for a polyurethane foam, each of which exhibits high coloration and discoloration inhibition properties over a long period of time when stored, and to a composition for a polyurethane foam, which is excellent in storage stability and is preferable as a resin premix. The composition comprises (i) at least one polyol, (ii) a compound having a P═N bond, (iii) an antioxidant having a hydroxyphenyl group, (iv) at least an acid and/or its salt, (v) a catalyst for polyurethane foam production and (vi) a blowing agent.