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:
Sep. 17, 2013
Filed:
Oct. 10, 2011
Applicants:
Ahmad Alshammari, Riyadh, SA;
Narayana Venkata Kalevaru, Hyderabad, IN;
Angela Koeckritz, Berlin, DE;
Andreas Martin, Berlin, DE;
Inventors:
Ahmad Alshammari, Riyadh, SA;
Narayana Venkata Kalevaru, Hyderabad, IN;
Angela Koeckritz, Berlin, DE;
Andreas Martin, Berlin, DE;
Assignee:
King Abdulaziz City for Science and Technology, Riyadh, SA;
Primary Examiner:
Int. Cl.
CPC ...
C07C 51/31 (2006.01); C07C 51/215 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a method for preparing dicarboxylic acids from saturated and cycloaliphatic hydrocarbons by oxidation at a reaction temperature comprised in the range of 25 to 300° C. in an autoclave using a solid heterogeneous catalyst. More particularly, the method of the invention relates to a method for preparing adipic acid (AA) from cyclohexane (CH) by selective oxidation.