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, 1998
Filed:
May. 15, 1996
Applicant:
Inventors:
Mario Marchionna, Milan, IT;
Francesco Ancillotti, S. Donate Milanese, IT;
Marco Di Gerolamo, Melegnano, IT;
Assignee:
Snamprogetti S.p.A., Milan, IT;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568697 ; 568691 ;
Abstract
A process is described for the joint production of ethers and hydrocarbons with a high octane number starting from C.sub.4 hydrocarbon cuts containing isobutene, by oligomerization with acid catalysts, in the presence of primary alcohols selected from methanol or ethanol in such a quantity as to have a molar ratio primary alcohols/isobutene in the feeding of between 0.2 and 0.7, preferably operating at a reaction temperature of between 30.degree. and 100.degree. C. and at feeding space velocities of less than 20 h.sup.-1.