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:
Oct. 14, 1980
Filed:
Aug. 30, 1979
Applicant:
Inventor:
Carl A Renner, Wilmington, DE (US);
Assignee:
E. I. DuPont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
562408 ;
Abstract
Process for formylating an alkyl-substituted benzene using carbon monoxide and hydrogen chloride, in the presence of aluminum chloride catalyst, in a reaction mixture which includes chlorobenzene as a solvent, and process for oxidizing an alkyl-substituted benzaldehyde using oxygen, in the presence of an autoxidation initiator, in a reaction mixture which includes cyclohexanone as a reductant.