Leonard C. Ellis

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Suffolk, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for re-use of aqueous co-product from manufacture of sodium...
- Patent number 5,283,046
- Issue date Feb 1, 1994
- Hoechst Celanese Corporation
- Charles E. Winslow
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Stabilized dithionite solutions
- Patent number 4,582,510
- Issue date Apr 15, 1986
- Leonard C. Ellis
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Treatment of waste stream from pentaerythritol production
- Patent number 4,328,366
- Issue date May 4, 1982
- Virginia Chemicals Inc.
- Charles E. Winslow
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for manufacture of stable sodium dithionite slurries
- Patent number 4,283,303
- Issue date Aug 11, 1981
- Virginia Chemicals Inc.
- Leonard C. Ellis
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Stabilized sodium dithionite solutions
- Patent number 3,985,674
- Issue date Oct 12, 1976
- Virginia Chemicals Inc.
- Leonard C. Ellis
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE