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. 07, 1998
Filed:
Dec. 18, 1996
Applicant:
Inventor:
Ming Shen, Guilford, CT (US);
Assignee:
Olin Corporation, Cheshire, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568679 ; 568618 ; 514723 ;
Abstract
The present invention is directed to a process for the preparation of polyoxyalkylene ether surfactant compositions comprising the steps of combining an admixture of alkoxylated alcohols with an acid catalyst and 1-6 molar equivalents of an aldehyde. The mixture is reacted at between about 50.degree. C. and about 180.degree. C. and at between about 1 atm and 10 atm pressure in the absence of a distillation step to produce the polyoxyalkylene ether surfactant composition.