Werner Stelzel

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Bad Soden am Taunus, DE

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Patents Grantslast 30 patents

Information Patent Grant
Use of aqueous cationic dispersions of synthetic resins for impregn...
- Patent number 4,871,594
- Issue date Oct 3, 1989
- Hoechst AG
- Erhard Bister
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Aqueous dispersion paints and process for making the same
- Patent number 4,421,889
- Issue date Dec 20, 1983
- Hoechst Aktiengesellschaft
- Helmut Braun
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thixotropic mixture
- Patent number 4,146,516
- Issue date Mar 27, 1979
- Hoechst Aktiengesellschaft
- Helmut Braun
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the manufacture of plastics dispersions
- Patent number 4,140,666
- Issue date Feb 20, 1979
- Hoechst Aktiengesellschaft
- Helmut Braun
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...