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:
Apr. 06, 1999
Filed:
Oct. 23, 1997
Applicant:
Inventors:
Anand Pal Singh, Maharashtra, IN;
Sushama Mohan Kale, Maharashtra, IN;
Assignee:
Council of Scientific & Industrial Research, New Delhi, IN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
570208 ; 570206 ;
Abstract
A process for the preparation of 4-halocumenes is disclosed wherein the halogen in the halocumene is chlorine, bromine, or iodine, the process including the step of reacting cumene with a halogenating agent in a liquid phase in the presence of a solvent, an aliphatic carboxylic acid component, and a zeolite catalyst.