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. 17, 2014
Filed:
Dec. 11, 2009
Joachim C. Ritter, Wilmington, DE (US);
Sourav Kumar Sengupta, Wilmington, DE (US);
Hasan Dindi, Wilmington, DE (US);
Robert D. Fallon, Elkton, MD (US);
Ekaterini Korovessi, Wilmington, DE (US);
Andrew C. Eliot, Wilmington, DE (US);
John Joseph Hagedorn, Newark, DE (US);
Joachim C. Ritter, Wilmington, DE (US);
Sourav Kumar Sengupta, Wilmington, DE (US);
Hasan Dindi, Wilmington, DE (US);
Robert D. Fallon, Elkton, MD (US);
Ekaterini Korovessi, Wilmington, DE (US);
Andrew C. Eliot, Wilmington, DE (US);
John Joseph Hagedorn, Newark, DE (US);
E I du Pont de Nemours and Company, Wilmington, DE (US);
Abstract
This invention provides a process of making a linear dicarboxylic acid of C, C, C, Cor Cchain length, the process comprising providing a feed which is a renewable resource, contacting the feed with a catalyst in the presence of hydrogen and at a temperature of about 250° C. to about 425° C. and at a pressure of about 500 psig to about 2500 psig (3450 kPa to about 17,250 kPa) to produce a hydrocarbon product having at least a 5:1 ratio of even-numbered alkanes to odd-numbered alkanes and comprising a linear alkane of Cchain length; and fermenting at least a portion of the linear alkane of Cchain length to a linear dicarboxylic acid of Cchain length, wherein n=10, 12, 14, 16 or 18. The catalyst comprises an oxide, molybdenum, and one or more active metals selected from the group consisting of nickel, cobalt, and mixtures thereof and the catalyst is in sulfided form.