Joseph J. Stevens

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West Point, MS, US

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Patents Grantslast 30 patents

Information Patent Grant
High purity aluminum oxide via electrodialysis
- Patent number 11,746,021
- Issue date Sep 5, 2023
- NextChem, LLC
- Joseph J. Stevens
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Polymetal hydroxychloride processes and compositions: enhanced effi...
- Patent number 8,801,909
- Issue date Aug 12, 2014
- Nextchem, LLC
- William E. Pratt
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Polyaluminum chloride and aluminum chlorohydrate, processes and com...
- Patent number 7,846,318
- Issue date Dec 7, 2010
- Nextchem, LLC
- William E. Pratt
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
HIGH PURITY ALUMINUM OXIDE VIA ELECTRODIALYSIS
- Publication number 20200331769
- Publication date Oct 22, 2020
- NextChem, LLC
- Joseph J. Stevens
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Polymetal Hydroxychloride Processes and Compositions: Enhanced Effi...
- Publication number 20070196302
- Publication date Aug 23, 2007
- William E. Pratt
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Polyaluminum Chloride and Aluminum Chlorohydrate, Processes and Com...
- Publication number 20070187256
- Publication date Aug 16, 2007
- Willam E. Pratt
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE