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:
Jan. 09, 1990
Filed:
Jul. 15, 1988
Applicant:
Inventors:
Jean Cordier, Saint Saulve, FR;
Bernard Dussart, Schiltigheim, FR;
Francis Petit, Villeneuve D'Aso, FR;
Yves Castanet, Villeneuve D'Aso, FR;
Serge Melloul, Lille, FR;
Andre Mortreux, Hem, FR;
Assignee:
Sollac, Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568465 ; 568460 ; 568484 ;
Abstract
The process for the preparation of an aldehyde of formula R--CHO in which R is an alkyl group of C.sub.1 -C.sub.7 comprises according to the invention the reaction on an alkyl formate of formula H--COOR in which R has the meaning given above, of a gas constituted mainly by CO, in the presence of