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. 28, 2002
Filed:
Apr. 27, 2000
Applicant:
Inventors:
Jochen Baurmeister, Eckernförde, DE;
Thomas Schäfer, Heppenheim, DE;
Assignee:
Axiva GmbH, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 4/587 ;
U.S. Cl.
CPC ...
C07C 4/587 ;
Abstract
The invention relates to a process for the catalytic pyrolysis of acetic acid for preparing ketene and/or secondary products, which comprises spraying, as catalyst, phosphoric acid in the form of a liquid jet into the acetic acid vapor.