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. 23, 1979
Filed:
Mar. 20, 1978
Applicant:
Inventor:
Byron R Cotter, Grand Island, NY (US);
Assignee:
Hooker Chemicals & Plastics Corp., Niagara Falls, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
260599 ;
Abstract
A process for the separation of 2,6-dichlorobenzaldehyde from an isomeric mixture of dichlorobenzaldehyde comprises dissolving the isomeric mixture in a water-immiscible organic solvent, contacting the solvent with an aqueous sodium bisulfite solution, separating the aqueous solution and recovering 2,6-dichlorobenzaldehyde from the organic solvent.