Hermann Schmitz

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Frankfurt am Main, DE

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Patents Grantslast 30 patents

Information Patent Grant
Crosslinking agents for water-swellable polymers
- Patent number 4,522,997
- Issue date Jun 11, 1985
- Cassella Aktiengesellschaft
- Hermann Schmitz
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
High molecular weight water-soluble polymers useful in deoiling san...
- Patent number 4,521,579
- Issue date Jun 4, 1985
- Cassella Aktiengesellschaft
- Friedrich Engelhardt
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Agent and method for deoiling sand and rock masses
- Patent number 4,451,631
- Issue date May 29, 1984
- Cassella Aktiengesellschaft
- Friedrich Engelhardt
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...