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:
Feb. 10, 2009
Filed:
Sep. 13, 2006
Applicants:
Ming-yu Huang, Chiayi, TW;
Jen-chun Chang, Chiayi, TW;
Jann-chen Lin, Chiayi, TW;
Kun-hai Lin, Chiayi, TW;
Jung-chung Wu, Chiayi, TW;
Inventors:
Ming-Yu Huang, Chiayi, TW;
Jen-Chun Chang, Chiayi, TW;
Jann-Chen Lin, Chiayi, TW;
Kun-Hai Lin, Chiayi, TW;
Jung-Chung Wu, Chiayi, TW;
Assignee:
Chinese Petroleum Corp., Taipei, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 5/25 (2006.01);
U.S. Cl.
CPC ...
Abstract
An exo-tetrahydrodicyclopentadiene is produced from endo-tetrahydrodicyclopentadiene through isomerization reaction. An acidic ionic liquid is used in the isomerization. The isomerization of endo-tetrahydrodicyclopentadiene gives a reaction conversion and a selectivity both higher than 99%. Besides, the ionic liquid used is environmental-friendly and recyclable.