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:
Jun. 19, 2007
Filed:
Mar. 06, 2001
J. Kelly Kindig, Rapid City, SD (US);
Robert R. Odle, Greenville, SC (US);
Thomas E. Weyand, Beaver Falls, PA (US);
Boyd R. Davis, Kingston, CA;
J. Kelly Kindig, Rapid City, SD (US);
Robert R. Odle, Greenville, SC (US);
Thomas E. Weyand, Beaver Falls, PA (US);
Boyd R. Davis, Kingston, CA;
Alchemix Corporation, Carefree, AZ (US);
Abstract
A method and apparatus for the treatment of coal to form a product gas such as methane (CH), and a high purity carbon product. The method includes contacting a coal-containing feedstock with a treatment gas that includes hydrogen. The coal feedstock can advantageously be a low-grade coal that contains high levels of impurities. The methane product gas can be augmented with hydrogen (H) gas. Reactants and by-products are advantageously recycled within the process system to enhance the economics of the process.