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:
Jan. 01, 2013
Filed:
Jul. 04, 2008
Ryoichi Takasawa, Ube, JP;
Kosuke Fujiyama, Ube, JP;
Masahiro Naiki, Ube, JP;
Masahiko Watanabe, Ube, JP;
Yasuhiro Kawachi, Ube, JP;
Ryoichi Takasawa, Ube, JP;
Kosuke Fujiyama, Ube, JP;
Masahiro Naiki, Ube, JP;
Masahiko Watanabe, Ube, JP;
Yasuhiro Kawachi, Ube, JP;
Ube Industries, Ltd., Ube-shi, JP;
Abstract
The phosphorus-containing polycarbonate polyol disclosed herein has a structural unit (I) represented by a formula: —OCOO— and a structural unit (II) represented by a residue A, wherein A denotes a n-valent residue in which n of alcoholic hydroxyl groups are removed from a phosphorus compound having at least n of alcoholic hydroxyl groups, in which n is an integer of 2 or larger, and wherein a terminal group of the polyol is a alcoholic hydroxyl group. The novel phosphorus-containing polycarbonate polyol, as a reactive flame-retardant agent, can provide flame-retardant properties easily to polyurethane or the like.