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:
Jul. 08, 1986
Filed:
Aug. 13, 1985
Applicant:
Inventors:
Assignee:
Daicel Chemical Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
568617 ;
Abstract
Polyalkylene ether glycol copolymers having a number-average molecular weight of from 200 to 10,000 and having hydroxyl groups at both ends of the molecule are disclosed. The copolymers are comprised of recurring structural units of the following formulae (I) and (II) in a molar ratio range (I/II) of from 1/99 to 99/1: ##STR1##