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:
Jul. 14, 1998
Filed:
Jun. 17, 1996
Applicant:
Inventors:
Yves Chauvin, Le Pecq, FR;
Lothar Mussmann, Hanau Wolfgang, DE;
Helene Olivier, Rueil Malmaison, FR;
Assignee:
Institut Francais du Petrole, , FR;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
585664 ; 585665 ; 585667 ; 585669 ; 585670 ; 585671 ;
Abstract
A catalytic composition comprises at least one quaternary ammonium and/or phosphonium salt in which the anion is preferably selected from the group formed by tetrafluoroborate, tetrachloroborate, hexafluorophosphate, hexafluoroantimonate, hexafluoroarsenate, trifluorosulphonate, fluorosulphonate, tetrachloroaluminate, dichlorocuprate, and trichlorozincate, and at least one complex of a transition metal from groups 8, 9 and 10, i.e., iron, ruthenium, cobalt, rhodium, iridium, nickel, palladium and platinum, is for the displacement of the double bond in olefins.