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:
Oct. 18, 2016
Filed:
Jun. 03, 2011
Applicants:
Jari Räsänen, Imatra, FI;
Tapani Penttinen, Huutjärvi, FI;
Ali Harlin, Espoo, FI;
Reetta Kaila, Espoo, FI;
Inventors:
Jari Räsänen, Imatra, FI;
Tapani Penttinen, Huutjärvi, FI;
Ali Harlin, Espoo, FI;
Reetta Kaila, Espoo, FI;
Assignee:
Stora Enso OYJ, Helsinki, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10G 1/00 (2006.01); C07C 5/22 (2006.01); C07C 5/13 (2006.01); C07C 5/41 (2006.01); C07C 5/27 (2006.01); C09F 3/00 (2006.01);
U.S. Cl.
CPC ...
C07C 5/41 (2013.01); C07C 5/2775 (2013.01); C09F 3/00 (2013.01); C07C 2529/08 (2013.01); C07C 2529/18 (2013.01); C07C 2529/70 (2013.01);
Abstract
Biobased p-cymene and methods of producing same, which can further be converted to terephtalate. Further, a method is described for converting crude sulfate turpentine recovered from chemical wood pulping into p-cymene and eventually to terephtalic acid of biological origin, and products thereof respectively. In said method, both conversion and desulfurization is realized in one reaction step. The disclosure is also related to use of zeolite catalysts in said method.