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. 04, 2002
Filed:
Apr. 06, 2000
Applicant:
Inventors:
Ariel Ewenson, Omer, IL;
David Itzhak, Omer, IL;
Miriam Freiberg Bergstein, Omer, IL;
Asher Shushan, Beer-Sheva, IL;
Bertha Croitoru, Beer-Sheva, IL;
David Beneish, Omer, IL;
Naim Faza, Ramleh, IL;
Assignee:
Bromine Compounds Ltd., , IL;
Primary Examiner:
Int. Cl.
CPC ...
C07C 4/561 ; C07C 1/702 ;
U.S. Cl.
CPC ...
C07C 4/561 ; C07C 1/702 ;
Abstract
Processes for the electrophilic substitution of aromatic compounds, such as alkylation, with a desired substituent are disclosed. The processes include contacting the aromatic compound, a precursor of the desired substituent and an aqueous reagent containing zinc halide at elevated temperatures such as above 50° C.