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. 09, 1995
Filed:
Sep. 13, 1993
Applicant:
Inventors:
Assignee:
National Science Council, Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22F / ;
U.S. Cl.
CPC ...
75371 ; 75741 ;
Abstract
Silver powder with a controlled surface area is made by introducing a silver ion containing solution and a mixed solution containing reducing agents and surfactants into a low temperature tank of 5.degree.-20.degree. C. and holding for a period of 7-60 minutes, followed by introducing the resulting reaction solution into a high temperature tank and holding further. The rest potential of the reaction solution is monitored to determine the end point of the reaction.