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:
May. 24, 1977
Filed:
Nov. 05, 1974
Applicant:
Inventors:
Natale Ferlazzo, Segrate (Milan), IT;
Gian Fausto Buzzi, Arona (Novara), IT;
Marcello Ghirga, Bresso (Milan), IT;
Benedetto Calcagno, Milan, IT;
Assignee:
Societa' Italiana Resine S.I.R. S.p.A., Milan, IT;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2604 / ; 252458 ; 252470 ;
Abstract
Methyl acrylate alone or in mixture with acrylic acid is prepared by passing a gaseous stream containing methanol, acrolein and oxygen at a velocity of 5 to 50 cm/sec through a fluidized catalytic bed formed of spherical particles 15 to 100 .mu. in size, said particles comprising from 10 to 80 wt.% silica support, the remainder consisting of an active catalytic component defined by one of the general formulae: