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Nicholas D. Spencer
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Washington, DC, US
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last 30 patents
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Patent Grant
Synthesis of submicron powders under reduced oxygen pressure
Patent number
5,152,973
Issue date
Oct 6, 1992
W. R. Grace & Co.-Conn.
Nicholas D. Spencer
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Manufacturing method for superconducting ceramics and products thereof
Patent number
5,149,682
Issue date
Sep 22, 1992
W. R. Grace & Co.-Conn.
Nicholas D. Spencer
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Superconducting oxide FCC oxide composite compositions and method o...
Patent number
5,028,585
Issue date
Jul 2, 1991
W. R. Grace & Co.-Conn.
Nicholas D. Spencer
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Manufacturing method for ceramics and products thereof
Patent number
5,023,067
Issue date
Jun 11, 1991
W. R. Grace & Co.-Conn.
Nicholas D. Spencer
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Ceramic composition
Patent number
5,002,926
Issue date
Mar 26, 1991
W. R. Grace & Co.-Conn.
Nicholas D. Spencer
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Ceramic composition
Patent number
5,001,109
Issue date
Mar 19, 1991
W. R. Grace & Co.-Conn.
Nicholas D. Spencer
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Vibratory calcination of inorganic oxide superconductor precursor p...
Patent number
4,997,810
Issue date
Mar 5, 1991
W. R. Grace & Co.-Conn.
Nicholas D. Spencer
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of formaldehyde from methane
Patent number
4,727,198
Issue date
Feb 23, 1988
W. R. Grace & Co.
Nicholas D. Spencer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process and catalyst for the production of formaldehyde from methane
Patent number
4,705,771
Issue date
Nov 10, 1987
W. R. Grace & Co.
Nicholas D. Spencer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process and catalyst for the production of formaldehyde from methane
Patent number
4,607,127
Issue date
Aug 19, 1986
W. R. Grace & Co.
Nicholas D. Spencer
C07 - ORGANIC CHEMISTRY