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Weyman H. Dunaway
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Sandersville, GA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method for pelletizing calcined clay
Patent number
5,364,579
Issue date
Nov 15, 1994
ECC International Inc.
Weyman H. Dunaway
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for improving the rheology of calcined kaolin clay products
Patent number
5,261,956
Issue date
Nov 16, 1993
ECC International Inc.
Weyman H. Dunaway
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method for producing high opacifying kaolin pigment
Patent number
5,047,375
Issue date
Sep 10, 1991
E.C.C. America Inc.
Weyman Dunaway
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for forming aggregated kaolin pigment
Patent number
4,976,786
Issue date
Dec 11, 1990
E.C.C. America Inc.
Weyman H. Dunaway
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of preparing aggregated pigments from clays
Patent number
4,971,629
Issue date
Nov 20, 1990
E.C.C. America Inc.
Weyman H. Dunaway
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Structured kaolin pigment and process for manufacture thereof
Patent number
4,851,048
Issue date
Jul 25, 1989
E.C.C. America Inc.
J. Philip E. Jones
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for surface treating clay minerals and reactive intermediat...
Patent number
4,798,630
Issue date
Jan 17, 1989
E.C.C. America Inc.
Weyman H. Dunaway
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for surface treating layered lattice silicates and resultan...
Patent number
4,789,595
Issue date
Dec 6, 1988
E.C.C. America Inc.
Jorge E. Salinas
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for calcining kaolin
Patent number
4,678,517
Issue date
Jul 7, 1987
E.C.C. America Inc.
Weyman H. Dunaway
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for fluidizing fine kaolin particles
Patent number
4,670,993
Issue date
Jun 9, 1987
E.C.C. America Inc.
Weyman H. Dunaway
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL