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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.:

US 9469581 B1

PDFFull Text
Date of Patent:
Oct. 18, 2016

Filed:

Jun. 03, 2011

Catalytic refining of terpenes of pulp origin

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:

Patterson Thuente Pedersen, P.A.

Primary Examiner:

In Suk Bullock

Assistant Examiner:

Philip Louie

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.

Find Patent Forward Citations

Räsänen, Jari. (2016). Catalytic refining of terpenes of pulp origin (U.S. Patent No. 9469581). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9469581

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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