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:
May. 30, 1989
Filed:
Apr. 13, 1988
Applicant:
Inventors:
Bruce E Leach, Ponca City, OK (US);
Mark L Shannon, Ponca City, OK (US);
Donald L Wharry, Ponca City, OK (US);
Assignee:
Vista Chemical Company, Houston, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568618 ;
Abstract
A process for preparing an alkoxylation catalyst in which the catalyst pre-mix is formed by admixing an alkoxylated alcohol with a calcium containing compound which is dispersible in the alkoxylated alcohol, an inorganic acid and an aluminum trialkoxide, the pre-mix being heated to a temperature and for a time sufficient to effect at least partial exchange reaction betweeen the alkoxide groups of the aluminum alkoxide and the hydroxyl groups of the alkoxylated alcohol. There is also disclosed and claimed an alkoxylation process utilizing the catalysts formed as described above.