Hans Haas

Person

Swisttal, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Spheroidal alkali metal polyphosphates of low apparent density, and...
- Patent number 4,968,490
- Issue date Nov 6, 1990
- Hoechst Aktiengesellschaft
- Werner Kowalski
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for making a granular product containing sodium triphosphate
- Patent number 4,800,055
- Issue date Jan 24, 1989
- Hoechst Aktiengesellschaft
- Helmut Klee
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for making phosphorus pentoxide of diminished reactivity
- Patent number 4,777,025
- Issue date Oct 11, 1988
- Hoechst Aktiengesellschaft
- Werner Kowalski
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Spheroidal alkali metal polyphosphates of low apparent density, and...
- Patent number 4,721,608
- Issue date Jan 26, 1988
- Hoechst AG
- Werner Kowalski
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Spheroidal alkali metal polyphosphates of low apparent density, and...
- Patent number 4,717,557
- Issue date Jan 5, 1988
- Hoechst AG
- Werner Kowalski
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for reducing iron and vanadium in phosphoric acid solution
- Patent number 4,642,224
- Issue date Feb 10, 1987
- Hoechst Aktiengesellschaft
- Herbert Ressel
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for making alkali metal polyphosphates
- Patent number 4,534,946
- Issue date Aug 13, 1985
- Hoechst Aktiengesellschaft
- Ben Damman
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for making calciummonohydrogen phosphate dihydrate
- Patent number 4,483,837
- Issue date Nov 20, 1984
- Hoechst Aktiengesellschaft
- Josef Cremer
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Sodium tripolyphosphate, process for making it, and its use
- Patent number 4,454,054
- Issue date Jun 12, 1984
- Hoechst Aktiengesellschaft
- Herbert Landgraber
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for making abrasion-resistant sodium tripolyphosphate
- Patent number 4,391,783
- Issue date Jul 5, 1983
- Hoechst Aktiengesellschaft
- Hans Haas
- C01 - INORGANIC CHEMISTRY

Person

Patents Grantslast 30 patents

Spheroidal alkali metal polyphosphates of low apparent density, and...

Process for making a granular product containing sodium triphosphate

Process for making phosphorus pentoxide of diminished reactivity

Spheroidal alkali metal polyphosphates of low apparent density, and...

Spheroidal alkali metal polyphosphates of low apparent density, and...

Process for reducing iron and vanadium in phosphoric acid solution

Process for making alkali metal polyphosphates

Process for making calciummonohydrogen phosphate dihydrate

Sodium tripolyphosphate, process for making it, and its use

Process for making abrasion-resistant sodium tripolyphosphate