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:
Nov. 15, 2005
Filed:
Sep. 22, 2003
Donald E. Govoni, Joliet, IL (US);
Ronald V. Davis, Geneva, IL (US);
Donald E. Govoni, Joliet, IL (US);
Ronald V. Davis, Geneva, IL (US);
Nalco Company, Naperville, IL (US);
Abstract
A method of preparing a synthetic fuel from coal comprising applying to the coal an aqueous emulsion of one or more reactive polymers and thoroughly mixing the coal to yield a complete reaction of the coal with the reactive polymers, wherein the reactive polymers are selected from the group consisting of ethylene/vinyl acetate copolymers, ethylene/vinyl alcohol copolymers, poly(acrylic acid), poly(vinyl alcohol), vinyl alcohol/vinyl acetate copolymers, poly(vinyl acetate), vinyl acetate/acrylic acid copolymers, poly(vinyl acetate/acrylic acid/ethylene), acrylic acid/acrylamide copolymers and poly(acrylamide).