Ingo Hamann

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparation of highly concentrated free-flowing aqueous...
- Patent number 5,962,708
- Issue date Oct 5, 1999
- Witco Surfactants GmbH
- Ingo Hamann
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for preparing highly concentrated, free-flowing aqueous sol...
- Patent number 5,681,972
- Issue date Oct 28, 1997
- Witco Surfactants GmbH
- Ingo Hamann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of highly concentrated free-flowing aqu...
- Patent number 5,464,565
- Issue date Nov 7, 1995
- Witco Surfactants GmbH
- Ingo Hamann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polyol polyether sulfosuccinates, a process for preparing them, and...
- Patent number 5,371,251
- Issue date Dec 6, 1994
- Witco GmbH
- Ingo Hamann
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Ammonium compounds, preparation thereof and use thereof as cleaning...
- Patent number 5,254,271
- Issue date Oct 19, 1993
- REWO Chemische Werke GmbH
- Ingo Hamann
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE