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:
Sep. 04, 1990
Filed:
Jun. 07, 1989
Applicant:
Inventors:
Giuseppe Bellussi, Piacenza, IT;
Franco Buonomo, San Donato Milanese, IT;
Antonio Esposito, San Donato Milanese, IT;
Mario Clerici, San Donato Milanese, IT;
Ugo Romano, Vimercate, IT;
Bruno Notari, San Donato Milanese, IT;
Assignee:
Enichem Sintesi S.p.A., Palermo, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564223 ; 502242 ; 568629 ; 568706 ; 568771 ; 568774 ; 568803 ;
Abstract
The invention discloses a catalyst on the basis of silicon and titanium having the form of microspheres and constituted by oligomeric silica and by titanium-silica-lite crystals having an oligomeric silica/titanium-silicalite molar ratio comprised within the range of from 0.05 to 0.11, wherein the crystals of titanium-silicalite are encaged by means of Si-O-Si bridges.