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. 02, 1990
Filed:
Oct. 31, 1988
Applicant:
Inventor:
Anil B Goel, Marlboro, NJ (US);
Assignee:
Ashland Oil, Inc., Ashland, KY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ; C07C / ;
U.S. Cl.
CPC ...
528 85 ; 564154 ; 2604025 ;
Abstract
A process for preparing a polyurethane comprising reacting a thioether amide diol prepared by reacting a bicyclic amide acetal with hydrogen sulfide at a temperature in the range of from 20.degree. to 200.degree. C. wherein a mole ration of bicyclic amide acetal to hydrogen sulfide is in the range of from about 1:1 to about 2:1 is described.