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:
Oct. 20, 1992
Filed:
Sep. 26, 1990
Applicant:
Inventors:
Srinivasan V Sarma, Hummelstown, PA (US);
Douglas M Streed, Harrisburg, PA (US);
Assignee:
AMP Incorporated, Harrisburg, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
423 24 ; 210662 ; 210670 ; 210684 ; 210 961 ; 210143 ; 210269 ; 423D / ;
Abstract
Method and apparatus (10) includes the use of multiple containers (B-1-B-3) containing a weak base ion resin (R) through which plating rinse water (W) is pumped with precious metal such as potassium gold cyanide adsorbed by said resin and then with the cyanide sequentially eluted by potassium hydroxide, water, potassium thiocyanate, water, and the resulting effluent evaporated (at 40) and then chilled (at 44) to remove for reuse the gold and inorganic salt and base.
Sarma, Srinivasan. (1992). Adsorption and elution of metal from ion exchange resin (U.S. Patent No. 5156825). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5156825
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile