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. 26, 1984
Filed:
Mar. 03, 1982
Applicant:
Inventors:
Gerhard Marzolph, Cologne, DE;
Heinz U Blank, Odenthal, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
568424 ;
Abstract
Optionally substituted fluoro-nitro-benzaldehydes are prepared from optionally substituted halogeno-nitro-benzaldehydes and an alkali metal fluoride in a substantially anhydrous inert aprotic solvent, by heating to 50.degree. to 250.degree. C.