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:
Sep. 06, 1994
Filed:
Oct. 01, 1992
Applicant:
Inventors:
Edward C Nieh, Austin, TX (US);
Michael Cuscurida, Austin, TX (US);
Assignee:
Texaco Chemical Company, White Plains, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
568621 ; 568699 ; 568608 ;
Abstract
The removal of basic alkaline earth metal catalysts from alcohol alkoxylate product streams using acid days wetted with water is described. The catalyst level may be reduced to 1 ppm or less in many instances. Effective acid days include, but are not limited to silica days, silica magnesia clays, alumina, montmorillonite days, mixtures thereof and the like. Contacting of the day with the alcohol alkoxylate may take place at ambient to 120.degree. C.