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:
Mar. 06, 2007
Filed:
May. 07, 2002
Applicants:
Xiangsheng Meng, Chanhassen, MN (US);
Paraskevas Tsobanakis, Inver Grove Heights, MN (US);
Jeffrey Malsam, Minneapolis, MN (US);
Timothy W. Abraham, Minnetonka, MN (US);
Inventors:
Xiangsheng Meng, Chanhassen, MN (US);
Paraskevas Tsobanakis, Inver Grove Heights, MN (US);
Jeffrey Malsam, Minneapolis, MN (US);
Timothy W. Abraham, Minnetonka, MN (US);
Assignee:
Cargill, Incorporated, Wayzata, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 69/66 (2006.01); C07C 69/73 (2006.01); C07C 51/42 (2006.01); C07C 59/245 (2006.01); C07C 59/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
Processes for preparing carboxylic acids and derivatives thereof in which an ammonium salt of the carboxylic acid is heated in the presence of an organic reagent to split the salt and form the acid or, where the organic reagent is an esterifying agent, the corresponding ester. Both the acid and the ester may be dehydrated to form unsaturated counterparts.