John Villar

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Patents Grantslast 30 patents

Information Patent Grant
Cementing slurry and method of designing a formulation
- Patent number 6,153,562
- Issue date Nov 28, 2000
- Schlumberger Technology Corporation
- John Villar
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Cementing compositions and applications of such compositions to cem...
- Patent number 6,060,535
- Issue date May 9, 2000
- Schlumberger Technology Corporation
- John Villar
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES