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:
Apr. 07, 1992
Filed:
Apr. 10, 1987
Applicant:
Inventors:
Michael Cuscurida, Austin, TX (US);
Ernest L Yeakey, Austin, TX (US);
Assignee:
Texaco Inc., White Plains, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564479 ; 564474 ; 564505 ;
Abstract
In accordance with the process of the present invention normally liquid, water-soluble poly(oxyethylene/oxypropylene) polyamine products are prepared using an initiator, which may contain oxyethylene groups. In a series of alkoxylation reaction steps the initiator is reacted with predetermined weight percentages of ethylene oxide and propylene oxide, said process comprising the steps of: