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. 03, 2016
Filed:
Feb. 25, 2014
Applicant:
Haldor Topsøe A/s, Kgs. Lyngby, DK;
Inventors:
Esben Taarning, Frederiksberg, DK;
Martin Spangsberg Holm, Oxford, GB;
Christian Mårup Osmundsen, Gentofte, DK;
Assignee:
Haldor Topsoe A/S, Lyngby, DK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 45/89 (2006.01); C07C 45/87 (2006.01);
U.S. Cl.
CPC ...
C07C 45/87 (2013.01);
Abstract
A Process for preparing ketene in the presence of a fluidized bed material with a surface area of up to about 600 m/g. The process is further defined as a process for preparing ketene from a sugar or glycolaldehyde feedstock.