Klaus-Peter Ehlers

Person

Erftstadt, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Purification of wet-process phosphoric acid
- Patent number 4,346,066
- Issue date Aug 24, 1982
- Hoechst Aktiengesellschaft
- Reinhard Gradl
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the purification of wet-processed phosphoric acid
- Patent number 4,321,245
- Issue date Mar 23, 1982
- Hoechst Aktiengesellschaft
- Reinhard Gradl
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Liquid-liquid extraction apparatus
- Patent number 4,313,826
- Issue date Feb 2, 1982
- Hoechst Aktiengesellschaft
- Reinhard Gradl
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Production of alkali metal phosphate solutions free from zinc
- Patent number 4,299,803
- Issue date Nov 10, 1981
- Hoechst Aktiengesellschaft
- Klaus Schrodter
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Conversion of extraction residues originating from phosphoric acid...
- Patent number 4,279,876
- Issue date Jul 21, 1981
- Hoechst Aktiengesellschaft
- Klaus Schrodter
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Apparatus for recovering alcoholic phosphoric acid solutions from a...
- Patent number 4,271,128
- Issue date Jun 2, 1981
- Hoechst Aktiengesellschaft
- Klaus Schrodter
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Solvent extraction purification of wet-processed phosphoric acid
- Patent number 4,222,994
- Issue date Sep 16, 1980
- Hoechst Aktiengesellschaft
- Klaus-Peter Ehlers
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process and apparatus for recovering alcoholic phosphoric acid solu...
- Patent number 4,203,956
- Issue date May 20, 1980
- Hoechst Aktiengesellschaft
- Klaus Schrodter
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Decontamination of wet-processed phosphoric acid
- Patent number 4,200,620
- Issue date Apr 29, 1980
- Hoechst Aktiengesellschaft
- Klaus-Peter Ehlers
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Purification of phosphoric acid by means of organic solvents
- Patent number 4,196,180
- Issue date Apr 1, 1980
- Hoechst Aktiengesellschaft
- Bernhard Wojtech
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Production of pure alkali metal phosphate solutions from wet-proces...
- Patent number 4,134,962
- Issue date Jan 16, 1979
- Hoechst Aktiengesellschaft
- Klaus-Peter Ehlers
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process and apparatus for purifying wet-processed phosphoric acid
- Patent number 4,134,964
- Issue date Jan 16, 1979
- Hoechst Aktiengesellschaft
- Klaus P. Ehlers
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Production of pure alkali metal phosphate solutions from wet-proces...
- Patent number 4,100,261
- Issue date Jul 11, 1978
- Hoechst Aktiengesellschaft
- Klaus-Peter Ehlers
- C01 - INORGANIC CHEMISTRY

Klaus-Peter Ehlers

Person

Patents Grantslast 30 patents

Purification of wet-process phosphoric acid

Process for the purification of wet-processed phosphoric acid

Liquid-liquid extraction apparatus

Production of alkali metal phosphate solutions free from zinc

Conversion of extraction residues originating from phosphoric acid...

Apparatus for recovering alcoholic phosphoric acid solutions from a...

Solvent extraction purification of wet-processed phosphoric acid

Process and apparatus for recovering alcoholic phosphoric acid solu...

Decontamination of wet-processed phosphoric acid

Purification of phosphoric acid by means of organic solvents

Production of pure alkali metal phosphate solutions from wet-proces...

Process and apparatus for purifying wet-processed phosphoric acid

Production of pure alkali metal phosphate solutions from wet-proces...