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:
Dec. 10, 2002
Filed:
Dec. 12, 2001
Applicant:
Inventors:
Giampietro Borsotti, Novara, IT;
Anna Sommazzi, Santa Margherita Ligure, IT;
Roberto Santi, Novara, IT;
Assignee:
Enichem S.p.A., Milan, IT;
Primary Examiner:
Int. Cl.
CPC ...
C07C 2/200 ;
U.S. Cl.
CPC ...
C07C 2/200 ;
Abstract
A process is described for the preparation of compounds having the formula (I) C F HX, wherein X is Br or Cl, which comprises reacting tetrafluorobenzene with a halogen in the presence of a Lewis acid catalyst.