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:
Aug. 16, 2011
Filed:
Nov. 03, 2009
Applicant:
Federica Martini, Spinea, IT;
Inventor:
Federica Martini, Spinea, IT;
Assignee:
Millbrook Lead Recycling Technologies Limited, Dublin, IE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An outstandingly low environmental impact wet process recovers the lead content of an electrode slime and/or of lead minerals in the valuable form of high purity lead oxide or compound convertible to highly pure lead oxide by heat treatment in oven at relatively low temperature, perfectly suited for making active electrode pastes of new batteries or other uses. The process basically comprises the following treatments: Exemplary flow sheets according to several alternative embodiments and related processing plant diagrams are disclosed.