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:
Mar. 03, 1981
Filed:
Nov. 21, 1979
Bernard Juguin, Rueil Malmaison, FR;
Jean-Pierre Franck, Bougival, FR;
Jean-Francois Le Page, Rueil Malmaison, FR;
Gabriel de Gaudemaris, Rueil Malmaison, FR;
Institut Francais du Petrole, Rueil-Malmaison, FR;
Abstract
Process for polymerizing olefinic hydrocarbons at a temperature from 0.degree. to 90.degree. C., preferably from 20.degree. to 80.degree. C. in the presence of a catalyst containing aluminum oxide and, per part by weight thereof, boron oxide in a proportion of 0.01 to 1, preferably 0.07 to 0.15 part by weight and halogen in a proportion of 0.5 to 20%, preferably 4 to 12%, said catalyst resulting from the reaction of an aluminum compound of formula AlX.sub.y R.sub.(3-y) where X is halogen, R is a hydrocarbon radical and y is selected from 1, 3/2, 2 and 3, with a carrier containing aluminum oxide and boron oxide in a proportion to aluminum oxide from 1 to 100%.