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 7488859 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 10, 2009

Filed:

Jun. 20, 2007
Applicants:

Ming-yu Huang, Chiayi, TW;

Jann-chen Lin, Chiayi, TW;

Kun-hai Lin, Chiayi, TW;

Jung-chung Wu, Chiayi, TW;

Inventors:

Ming-Yu Huang, Chiayi, TW;

Jann-Chen Lin, Chiayi, TW;

Kun-Hai Lin, Chiayi, TW;

Jung-Chung Wu, Chiayi, TW;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 5/13 (2006.01); C07C 13/28 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method for producing adamantane includes isomerizing exo-tetrahydrodicyclopentadiene into adamantane in an acidic chloroaluminate ionic liquid composed of aluminum(III) trichloride and a quaternary ammonium halide having a quaternary ammonium cation selected from a group consisting of tetraalkylammonium, dialkylpyridinium, and trialkylimidazolium.


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