2 patents
Utility
Processes for recovering sand and active clay from foundry waste
26 Jan 21
A process of recovering clean sand and active clay from sand or dust from a foundry is disclosed.
Jerald W. Darlington, Jr., Elliot Francis Halphen, Liam Matthew Miller
Filed: 15 Aug 17
Utility
Method of Making a Mercury Sorbent
27 May 20
Methods of preparing a mercury sorbent material are provided.
Zhen WANG
Filed: 3 Sep 19
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