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:
Jun. 23, 1987
Filed:
Jul. 15, 1982
Applicant:
Inventors:
Claudio Giordano, Monza, IT;
Giovanni Villa, Monticello Brianza, IT;
Fulvio Uggeri, Codogno, IT;
Graziano Castaldi, Briona, IT;
Assignee:
Blaschim S.p.a., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
549 79 ; 560100 ; 560 75 ; 560 56 ; 562490 ; 562478 ; 562466 ;
Abstract
Process for preparing alkanoic acid or their esters by rearrangement of alpha-halo-ketones in protic medium and in the presence of a non-noble metal salt. The protic medium is preferably an aliphatic alcohol having low molecular weight or water and the reaction is carried out at a temperature from 0.degree. C. to the boiling-point of the diluent or of the diluents mixture.