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:
Dec. 13, 1976
Filed:
Nov. 17, 1974
Applicant:
Inventors:
Natale Ferlazzo, Segrate (Milan), IT;
Gian Fausto Buzzi, Arona (Novara), IT;
Marcello Ghirga, Bresso (Milan), IT;
Assignee:
Societa' Italiana Resine S.I.R. S.p.A., Milan, IT;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2605 / ; 2604 / ; 2605 / ;
Abstract
Acrylic acid is prepared by contacting an oxidation catalyst with a gaseous mixture containing acrolein, oxygen and methanol. A proportion by volume from 0.05 to 0.5% methanol and a molar ratio of acrolein to methanol from 10:1 to 100:1 are maintained in the said mixture the catalyst is defined by one of the general formulae:
Ferlazzo, Natale. (1976). Method of preparing acrylic acid (U.S. Patent No. 3997600). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3997600
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile