Lev Davydov

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North Plainfield, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for the removal of impurities from gas streams
- Patent number 6,761,863
- Issue date Jul 13, 2004
- The BOC Group, Inc.
- Shuen-Cheng Hwang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Process for the removal of impurities from gas streams
- Publication number 20030143140
- Publication date Jul 31, 2003
- Shuen-Cheng Hwang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL