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:
Jun. 11, 2024
Filed:
Mar. 19, 2019
Applicant:
Omya International Ag, Oftringen, CH;
Inventors:
Assignee:
OMYA INTERNATIONAL AG, Oftringen, CH;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 23/02 (2006.01); B01J 35/40 (2024.01); B01J 35/50 (2024.01); B01J 35/61 (2024.01); B01J 37/08 (2006.01); C07C 67/03 (2006.01);
U.S. Cl.
CPC ...
C07C 67/03 (2013.01); B01J 23/02 (2013.01); B01J 35/40 (2024.01); B01J 35/50 (2024.01); B01J 35/613 (2024.01); B01J 35/615 (2024.01); B01J 37/088 (2013.01);
Abstract
The present invention relates to a method for transesterification of carboxylic acid esters by heterogeneous catalysis using a catalyst that is obtainable by calcination of surface-reacted calcium carbonate. The invention further relates to the use of said method in the production of fuel or fuel components, such as biodiesel. Further aspects of the present invention relate to the transesterified ester obtainable by the inventive method and to its use as fuel or as fuel component. Still another aspect of the present invention relates to a corresponding transesterification catalyst and to its use in transesterification reactions.