Keystone Metals Recovery Inc.

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Columbia, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Metal chlorides and metals obtained from metal oxide containing mat...
- Patent number 11,975,982
- Issue date May 7, 2024
- KEYSTONE METALS RECOVERY INC.
- Richard I. Chaifetz
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Metal chlorides and metals obtained from metal oxide containing mat...
- Patent number 9,315,382
- Issue date Apr 19, 2016
- KEYSTONE METALS RECOVERY INC.
- Richard I. Chaifetz
- C01 - INORGANIC CHEMISTRY

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Patents Applicationslast 30 patents

Information Patent Application
METAL CHLORIDES AND METALS OBTAINED FROM METAL OXIDE CONTAINING MAT...
- Publication number 20240343569
- Publication date Oct 17, 2024
- KEYSTONE METALS RECOVERY INC.
- Richard I. CHAIFETZ
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METAL CHLORIDES AND METALS OBTAINED FROM METAL OXIDE CONTAINING MAT...
- Publication number 20190292050
- Publication date Sep 26, 2019
- KEYSTONE METALS RECOVERY INC.
- Richard I. CHAIFETZ
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METAL CHLORIDES AND METALS OBTAINED FROM METAL OXIDE CONTAINING MAT...
- Publication number 20160185597
- Publication date Jun 30, 2016
- Keystone Metals Recovery Inc.
- Richard I. CHAIFETZ
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Metal chlorides and metals obtained from metal oxide containing mat...
- Publication number 20070224109
- Publication date Sep 27, 2007
- Keystone Metals Recovery Inc.
- Richard I. Chaifetz
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR