Hans Niederprum

Person

Monheim, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Disintegration of chromites
- Patent number 4,500,350
- Issue date Feb 19, 1985
- Bayer Aktiengesellschaft
- Johann-Nikolaus Meussdoerffer
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Use of perfluoroalkane sulphonamide salts as surface active agents
- Patent number 4,370,254
- Issue date Jan 25, 1983
- Bayer Aktiengesellschaft
- Karl-Heinz Mitschke
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
1,1-Difluoro-2-chloroethylene as aerosol propellant
- Patent number 4,289,646
- Issue date Sep 15, 1981
- Bayer Aktiengesellschaft
- Karl-Heinz Mitschke
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for the preparation of hydroxyalkylperfluoroalkane sulphona...
- Patent number 4,265,831
- Issue date May 5, 1981
- Bayer Aktiengesellschaft
- Karl-Heinz Mitschke
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of siliconfunctional polyorganosiloxanes
- Patent number 4,260,715
- Issue date Apr 7, 1981
- Bayer Aktiengesellschaft
- Armand de Montigny
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Silyl esters of perfluoroalkanesulphonic acid esters and a process...
- Patent number 4,203,914
- Issue date May 20, 1980
- Bayer Aktiengesellschaft
- Ulrich Finke
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1,1,1-Trifluoro-2-chloroethane as blowing agent for polyurethane foam
- Patent number 4,177,332
- Issue date Dec 4, 1979
- Bayer Aktiengesellschaft
- Karl-Heinz Mitschke
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of a chrome tanning agent and Glauber's...
- Patent number 4,168,240
- Issue date Sep 18, 1979
- Bayer Aktiengesellschaft
- Wolfgang Bockelmann
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Production of tetraethyl ammonium perfluoroalkyl sulphonate
- Patent number 4,168,277
- Issue date Sep 18, 1979
- Bayer Aktiengesellschaft
- Karl-Heinz Mitschke
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of synthetic fluorspar
- Patent number 4,148,867
- Issue date Apr 10, 1979
- Bayer Aktiengesellschaft
- Siegfried Schneider
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Producing chromate substantially free of vanadium
- Patent number 4,138,466
- Issue date Feb 6, 1979
- Bayer Aktiengesellschaft
- Johann N. Meussdoerffer
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Disintegration of silica-rich chromite
- Patent number 4,112,046
- Issue date Sep 5, 1978
- Bayer Aktiengesellschaft
- Hans Niederprum
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Tanning skins using polycarboxylic acid partial esters
- Patent number 4,101,271
- Issue date Jul 18, 1978
- Bayer Aktiengesellschaft
- Wolfgang Bockelman
- C14 - SKINS HIDES PELTS LEATHER

Hans Niederprum

Person

Patents Grantslast 30 patents

Disintegration of chromites

Use of perfluoroalkane sulphonamide salts as surface active agents

1,1-Difluoro-2-chloroethylene as aerosol propellant

Process for the preparation of hydroxyalkylperfluoroalkane sulphona...

Process for the production of siliconfunctional polyorganosiloxanes

Silyl esters of perfluoroalkanesulphonic acid esters and a process...

1,1,1-Trifluoro-2-chloroethane as blowing agent for polyurethane foam

Process for the preparation of a chrome tanning agent and Glauber's...

Production of tetraethyl ammonium perfluoroalkyl sulphonate

Production of synthetic fluorspar

Producing chromate substantially free of vanadium

Disintegration of silica-rich chromite

Tanning skins using polycarboxylic acid partial esters