John A. Thorpe

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Germantown, TN, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for recovering cyanide from copper-containing feed material
- Patent number 6,919,030
- Issue date Jul 19, 2005
- Hannah Technologies Limited Partnership
- John A. Thorpe
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Hydrometallurgical extraction process
- Patent number 5,807,421
- Issue date Sep 15, 1998
- E. I. Du Pont de Nemours and Company
- Christopher Andrew Fleming
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Hydrometallurgical extraction and recovery of copper, gold, and sil...
- Patent number 5,667,557
- Issue date Sep 16, 1997
- E. I. Du Pont de Nemours and Company
- Christopher Andrew Fleming
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Hydrometallurgical extraction process
- Patent number 5,411,575
- Issue date May 2, 1995
- E. I. Du Pont de Nemours and Company
- Christopher A. Fleming
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for recovery of products from a waste stream in the manufac...
- Patent number 4,065,486
- Issue date Dec 27, 1977
- E. I. Du Pont de Nemours and Company
- John Anton Thorpe
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Process for recovering cyanide from copper-containing feed material
- Publication number 20030205533
- Publication date Nov 6, 2003
- Hannah Technologies Limited Partnership
- John A. Thorpe
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL