Frederick J. Parker

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Columbia, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Low density glassy materials for bioremediation supports
- Patent number 5,518,910
- Issue date May 21, 1996
- W. R. Grace & Co.-Conn.
- Frederick J. Parker
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Low density glassy materials for bioremediation supports
- Patent number 5,397,755
- Issue date Mar 14, 1995
- W. R. Grace & Co.-Conn.
- Frederick J. Parker
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Fabrication of dense SI.sub.3 N.sub.4 ceramics using CaO-TiO.sub.2...
- Patent number 5,110,772
- Issue date May 5, 1992
- W. R. Grace & Co.-Conn.
- Frederick J. Parker
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Low thermal expansion ZrTiO.sub.4 --Al.sub.2 TiO.sub.5 --ZrO.sub.2...
- Patent number 4,758,542
- Issue date Jul 19, 1988
- W. R. Grace & Co.
- Frederick J. Parker
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES