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:
Dec. 03, 2019
Filed:
Jul. 02, 2014
Applicant:
Alpha Assembly Solutions Inc., Waterbury, CT (US);
Inventors:
Narahari Pujari, Bangalore, IN;
Siuli Sarkar, Bangalore, IN;
Bawa Singh, Marlton, NJ (US);
Daniel Goswami, Kolkata, IN;
Assignee:
Alpha Assembly Solution Inc., Somerset, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
C22B 25/06 (2006.01); C23F 1/30 (2006.01); C23F 1/44 (2006.01); C01G 19/00 (2006.01); C22B 3/00 (2006.01);
U.S. Cl.
CPC ...
C22B 25/06 (2013.01); C01G 19/00 (2013.01); C22B 25/04 (2013.01); C23F 1/30 (2013.01); C23F 1/44 (2013.01);
Abstract
A method for recovering tin and/or tin alloy from a substrate comprising providing a substrate having tin and/or tin alloy thereon; contacting the tin and/or tin alloy with a stripping solution comprising an inorganic acid and a persulfate compound; recovering tin salt and/or tin alloy salt precipitated from the stripping solution; and recovering tin and/or tin alloy from the tin salt and/or tin alloy salt, respectively.