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. 11, 1978
Filed:
Apr. 27, 1972
Applicant:
Inventor:
James T Kao, Baton Rouge, LA (US);
Assignee:
Ethyl Corporation, Richmond, VA (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2605 / ;
Abstract
It is disclosed that water soluble salts of carboxyalkoxy succinic acids are obtained in solid form by crystallization from mixed solvent systems wherein the solvents are water plus a lower alkanol having up to about six carbon atoms per molecule. A particularly preferred alkanol is methanol. The selective production of salts containing various amounts of water of hydration is possible by controlling the ratio of water to alcohol.