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:
Nov. 22, 1988
Filed:
Nov. 05, 1984
Applicant:
Inventors:
Christos Paparizos, Willowick, OH (US);
Serge R Dolhyj, Parma, OH (US);
Wilfrid G Shaw, Lyndhurst, OH (US);
Assignee:
The Standard Oil Company, Cleveland, OH (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
562599 ; 562606 ; 568484 ; 502208 ;
Abstract
Disclosed is a process for the catalytic conversion of lactic acid and/or ammonium lactate to acrylic acid by contacting a mixture of water and lactic acid and/or ammonium lactate in the vapor phase with aluminum phosphate which has been treated with an aqueous inorganic base.