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:
Feb. 23, 1999
Filed:
Feb. 19, 1997
Applicant:
Inventors:
Shigeaki Suzuki, Okayama-ken, JP;
Kazuyuki Yada, Okayama-ken, JP;
Assignee:
Kuraray Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
525471 ; 528483 ; 528490 ; 528491 ;
Abstract
Polyalcohols are produced by a process comprising hydrogenating polyketones, which are copolymers of carbon monoxide and at least one olefin, in the presence of a catalyst and a solvent. The catalyst is prepared from a ruthenium-containing compound and a trialkylphosphine. The trialkylphosphine is represented by the general formula (I):