Earl R. Lawhorne

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Savannah, GA, US

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Patents Grantslast 30 patents

Information Patent Grant
Titanium dioxide with high purity and uniform particle size and met...
- Patent number 4,944,936
- Issue date Jul 31, 1990
- Kemira, Inc.
- Earl R. Lawhorne
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Preparation of pure titanium dioxide with anatase crystal structure...
- Patent number 4,923,682
- Issue date May 8, 1990
- Kemira, Inc.
- George L. Roberts
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
TiO.sub.2 for ceramic frits and glazes
- Patent number 4,781,911
- Issue date Nov 1, 1988
- Kemira, Inc.
- Earl R. Lawhorne
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for the reduction of the viscosity of high solids pigment s...
- Patent number 4,536,268
- Issue date Aug 20, 1985
- American Cyanamid Company
- Earl R. Lawhorne
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Use of ion exchange resins in preparation of high solid TiO.sub.2 s...
- Patent number 4,227,934
- Issue date Oct 14, 1980
- American Cyanamid Company
- Earl R. Lawhorne
- C01 - INORGANIC CHEMISTRY