Robert Koeppel

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Patents Grantslast 30 patents

Information Patent Grant
Anhydrite cellular concrete composite building elements and their m...
- Patent number 4,300,324
- Issue date Nov 17, 1981
- Produits Chimiques Ugine Kuhlmann
- Robert Koeppel
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Anhydrite cellular concrete and composite building elements
- Patent number 4,233,080
- Issue date Nov 11, 1980
- Produits Chimiques Ugine Kuhlmann
- Robert Koeppel
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Anhydrite concrete and method for preparing building elements
- Patent number 4,166,750
- Issue date Sep 4, 1979
- Produits Chimiques Ugine Kuhlmann
- Robert Koeppel
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Anhydrite binder and method
- Patent number 4,151,000
- Issue date Apr 24, 1979
- Produits Chimiques Ugine Kuhlmann
- Roland Bachelard
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Alkali salts of a sulphonated styrene polymer or copolymer as fluid...
- Patent number 4,076,699
- Issue date Feb 28, 1978
- Produits Chimiques Ugine Kuhlmann
- Edouard Grimaud
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES