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:
Mar. 31, 1981
Filed:
Jan. 28, 1980
Applicant:
Inventors:
Assignee:
Istituto de Angeli S.p.A., Milan, IT;
Primary Examiner:
Int. Cl.
CPC ...
C11C / ; C11D / ; C11C / ;
U.S. Cl.
CPC ...
260418 ; 260413 ; 260415 ; 260417 ;
Abstract
A novel process for the preparation of pure trans, trans-farnesylacetic acid of the formula ##STR1## by recrystallization of a mixture of alkali metal salts of trans, trans- and cis, trans-farnesylacetic acid from an organic solvent, and conversion of the isolated alkali metal trans, trans-farnesylacetate into the free acid.