Steven W. Rogers

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Telford, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Dispersant, setting retarder and air entrainment additive for cement
- Patent number 5,221,343
- Issue date Jun 22, 1993
- Henkel Corporation
- Zvi Grauer
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES