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. 19, 2005
Filed:
Dec. 26, 2001
Hideho Tanaka, Ube, JP;
Masaru Kunimura, Ube, JP;
Kohichi Kashiwagi, Ube, JP;
Takayoshi Kaneko, Ube, JP;
Hideho Tanaka, Ube, JP;
Masaru Kunimura, Ube, JP;
Kohichi Kashiwagi, Ube, JP;
Takayoshi Kaneko, Ube, JP;
Ube Industries, Ltd., , JP;
Abstract
A thermoplastic polyurethane useful for elastomers, elastic fibers and artificial leathers contains a polyaddition product of a diisocyanate and a chain extender with a liquid polyethercarbonate diol which is a reaction product of a carbonate compound with a polyether diol having structural units (a) (—(CH)—O—) and at least one member of structural units (b) (—(CH)—O) and (c) (—CHCH(CH)—O—), and in which the units (b) are present in an average number (n) of moles of 0 to 5 per mole of the units (a), the units (c) are present in an average number (m) of moles of 0 to 5 per mole of the units (a), and the total average number (n+m) of moles of the units (b) and (c) is more than 1 but not more than 5, per mole of the units (a).