Heinrich Hartman

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Limburgerhof, DE

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Patents Grantslast 30 patents

Information Patent Grant
Bridged, water-soluble copolymers, their preparation and their use
- Patent number 4,981,913
- Issue date Jan 1, 1991
- BASF Aktiengesellschaft
- Dietmar Moench
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Fluid loss control additives for oil well cementing compositions
- Patent number 4,933,378
- Issue date Jun 12, 1990
- BASF Corporation
- Clare H. Kucera
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES