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:
Dec. 30, 1999
Applicant:
Inventors:
Jean-Paul Schoebrechts, Grez-Doiceau, BE;
Véronique Mathieu, Wavre, BE;
Francine Janssens, Vilvoopde, BE;
Assignee:
Solvay (Societe Anonyme), , BE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 1/7266 ; C07C 1/726 ;
U.S. Cl.
CPC ...
C07C 1/7266 ; C07C 1/726 ;
Abstract
1,1,1,3,3-pentachlorobutane is obtained by reacting carbon tetrachloride with 2-chloro-1-propene in the presence of at least one copper (I) or (II) compound as telomerization catalyst. Advantageously, a polar compound can be present in the reaction mixture as solvent, and an amine, an amide or a trialkylphosphine oxide can be present as cocatalyst.