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:
Mar. 27, 2001
Filed:
Dec. 17, 1998
Satoshi Yamasaki, Aichi-ken, JP;
Yasunori Hara, Aichi-ken, JP;
Satoshi Tamura, Aichi-ken, JP;
Fumio Yamazaki, Aichi-ken, JP;
Hitoshi Watanabe, Aichi-ken, JP;
Mikio Matsufuji, Aichi-ken, JP;
Shinsuke Matsumoto, Aichi-ken, JP;
Ariko Nishikawa, Aichi-ken, JP;
Tsukuru Izukawa, Aichi-ken, JP;
Masaaki Aoki, Kanagawa-ken, JP;
Tadahito Nobori, Kanagawa-ken, JP;
Usaji Takaki, Kanagawa-ken, JP;
Mitsui Chemical, Inc., , JP;
Abstract
The present invention is a polyoxyalkylene polyol, its manufacture method, and derivatives, wherein: it is obtained using a phosphazenium compound as a catalyst; the hydroxyl value is 2˜200 mgKOH/g; total degree of unsaturation is 0.0001˜0.07 meq./g; the head-to-tail bond selectivity of the polyoxyalkylene polyol is 95 mole %; and when the maximum height of the peak of GPC elution curve is set to be 100%, W,is defined as the peak width at the 20% peak height, and W,is defined as the peak width at 80% peak height, the ratio of W,/W,is 1.5 or greater, and less than 3.