Chiara F. Ferraris

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Columbia, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Additives for hydraulic cement compositions
- Patent number 5,294,256
- Issue date Mar 15, 1994
- W. R. Grace & Co.-Conn.
- Willis A. Weigand
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Processing additive for high-pressure roll press process of forming...
- Patent number 5,203,512
- Issue date Apr 20, 1993
- W. R. Grace & Co.-Conn.
- Chiara F. Ferraris
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Concrete surface air void reduction admixture
- Patent number 5,180,430
- Issue date Jan 19, 1993
- W. R. Grace & Co.-Conn.
- Ellis M. Gartner
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES