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. 25, 1982
Filed:
Oct. 26, 1979
Applicant:
Inventors:
Walter Juda, Lexington, MA (US);
Robert J Allen, Saugus, MA (US);
Robert Lindstrom, Gloucester, MA (US);
Assignee:
Prototech Company, Newton, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25C / ; C25C / ; C22B / ; H01M / ;
U.S. Cl.
CPC ...
2041 / ; 204106 ; 204109 ; 204112 ; 204284 ; 2042 / ; 204294 ; 204D / ; 2041 / ; 75 / ; 75108 ; 75117 ; 7511 / ; 75121 ; 423 22 ; 423 23 ; 423 25 ; 423 49 ; 423 99 ; 423138 ; 429 42 ;
Abstract
This disclosure concerns primarily the recovery of hydrogen-reduced metals from aqueous solutions of salts thereof, by hydrogen reduction at a porous hydrophobic catalytic barrier, at ordinary temperatures, in an apparatus provided with means to supply hydrogen to one face and aqueous solution to the other face of said barrier.