ELKEM MATERIALS INC

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PITTSBURGH, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Concrete additive comprising a multicomponent admixture containing...
- Patent number 5,843,216
- Issue date Dec 1, 1998
- Elkem Materials Inc.
- Magne D.ang.st.o slashed.l
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Concrete additive comprising a multicomponent admixture containing...
- Patent number 5,472,501
- Issue date Dec 5, 1995
- Elkem Materials Inc.
- Magne Dastol
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Concrete additive comprising a multicomponent admixture containing...
- Patent number 5,275,652
- Issue date Jan 4, 1994
- Elkem Materials Inc.
- Magne Dastol
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

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