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:
May. 18, 1999
Filed:
Jun. 03, 1997
Applicant:
Inventor:
James Lynn Davis, Parkland, FL (US);
Assignee:
Motorola, Inc., Schaumburg, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10L / ;
U.S. Cl.
CPC ...
44385 ; 44302 ; 44403 ; 44451 ; 44452 ;
Abstract
A sulfuric acid-free fuel composition for use in liquid feed polymer electrolyte membrane fuel cells. The fuel composition is a solution of water, methanol and formic acid. The methanol is present in concentrations between 0.5 and 15 molar and the formic acid is present in concentrations between 0.01% and 20%. No corrosive mineral acids are present in the fuel.