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:
Nov. 23, 1982
Filed:
Jul. 22, 1981
Applicant:
Inventor:
James H Sedon, Midland, MI (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568618 ; 568606 ; 568607 ; 568611 ; 568614 ; 568616 ; 568620 ; 568659 ; 568660 ; 568661 ; 568662 ; 568663 ; 568664 ; 568670 ; 568673 ; 568675 ; 568676 ; 568678 ; 568679 ; 568680 ;
Abstract
A process to form glycol ethers by reacting an organic compound (A) having at least one aliphatic hydroxyl group with an oxirane compound (B) under reaction conditions in the presence of a catalytic amount of a polymeric material that is substantially insoluble in the reaction mixture, said polymeric material having a plurality of pendant sulfonate moieties with divalent metal counterions. Preferential formation of the mono adduct of glycol ethers is noted.