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:
Oct. 25, 1988
Filed:
Mar. 04, 1987
Applicant:
Inventor:
John E Hamlin, Hull, GB;
Assignee:
BP Chemicals Limited, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
560240 ; 560 93 ; 560112 ; 560199 ; 560209 ; 560200 ;
Abstract
Alkylene glycol ether carboxylates are produced by reacting at elevated temperature an alkylene oxide and a carboxylate ester in the presence as catalyst of a [bis(trihydrocarbylphosphine)iminium].sub.2 MO.sub.4 compound wherein M is either molybdenum or tungsten.