Hideo Koyata

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Waltham, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Admixture for optimizing addition of EO/PO plasticizers
- Patent number 6,670,415
- Issue date Dec 30, 2003
- W. R. Grace & Co.-Conn.
- Leslie A. Jardine
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Admixture and method for optimizing addition of EO/PO superplastici...
- Patent number 6,352,952
- Issue date Mar 5, 2002
- W. R. Grace & Co.-Conn.
- Leslie A. Jardine
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Cement admixture product having improved rheological properties and...
- Patent number 5,728,207
- Issue date Mar 17, 1998
- W. R. Grace & Co.-Conn.
- Ahmad Arfaei
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Cement admixture product having improved rheological properties and...
- Patent number 5,643,978
- Issue date Jul 1, 1997
- W. R. Grace & Co.-Conn.
- David Charles Darwin
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Cement admixture product having improved rheological properties and...
- Patent number 5,633,298
- Issue date May 27, 1997
- W. R. Grace & Co.-Conn.
- Ahmad Arfaei
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
Viscosity modifying agents and water reducers
- Publication number 20040072939
- Publication date Apr 15, 2004
- Charles R. Cornman
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Admixture composition for optimizing EO/PO plasticizer addition
- Publication number 20020121229
- Publication date Sep 5, 2002
- W.R. GRACE & CO.-CONN.
- Leslie A. Jardine
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES