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. 10, 2006
Filed:
Apr. 03, 2003
Sai Kodama, Yokkaichi, JP;
Shigeru Murata, Suzuka, JP;
Toshihiro Inayama, Kuwana, JP;
Tatsuo Niimi, Yokkaichi, JP;
Sai Kodama, Yokkaichi, JP;
Shigeru Murata, Suzuka, JP;
Toshihiro Inayama, Kuwana, JP;
Tatsuo Niimi, Yokkaichi, JP;
Kyowa Hakko Chemical Co., Ltd., Tokyo, JP;
Abstract
There are provided a polyalkenyl ether type polyurethane, which is excellent in flexibility, aor the like, and which has in the molecule, a structural unit represented by formula (XXX): (wherein n represents an integer of 2 to 1000, Rrepresents substituted or unsubstituted lower alkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted aryl, or substituted or unsubstituted aralkyl, and R, Rand R, which are the same or different, each represent a hydrogen atom, substituted or unsubstituted lower alkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted aryl or substituted or unsubstituted aralkyl, and Rs, Rs, Rs, and Rs, when they are each present two or more in number, may be respectively the same or different), and the like.