Manfred Hahnke

Person

Kelkheim, Taunus, DT

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of violet dyestuffs of the triphenylmet...
- Patent number 4,062,877
- Issue date Dec 13, 1977
- Hoechst Aktiengesellschaft
- Manfred Hahnke
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the preparation of dyestuff compositions
- Patent number 4,061,464
- Issue date Dec 6, 1977
- Hoechst Aktiengesellschaft
- Manfred Hahnke
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for preparing an azo compound from a 2-aminothiazole diazo...
- Patent number 4,046,752
- Issue date Sep 6, 1977
- Hoechst Aktiengesellschaft
- Kurt Hohmann
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the preparation of symmetric 4-halogen-4',4"-diarylamin...
- Patent number 4,041,054
- Issue date Aug 9, 1977
- Hoechst Aktiengesellschaft
- Manfred Hahnke
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the spin-dyeing of polymers or copolymers of acrylonitrile
- Patent number 4,020,037
- Issue date Apr 26, 1977
- Hoechst Aktiengesellschaft
- Manfred Hahnke
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Spin-dyeing of acrylonitrile homopolymers and copolymers
- Patent number 3,996,192
- Issue date Dec 7, 1976
- Hoechst Aktiengesellschaft
- Manfred Hahnke
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
N-Alkyl nitro phenyl diethylene triamine dyeing of acid modified sy...
- Patent number 3,966,405
- Issue date Jun 29, 1976
- Hoechst Aktiengesellschaft
- Reinhard Mohr
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...

Manfred Hahnke

Person

Patents Grantslast 30 patents

Process for the preparation of violet dyestuffs of the triphenylmet...

Process for the preparation of dyestuff compositions

Process for preparing an azo compound from a 2-aminothiazole diazo...

Process for the preparation of symmetric 4-halogen-4',4"-diarylamin...

Process for the spin-dyeing of polymers or copolymers of acrylonitrile

Spin-dyeing of acrylonitrile homopolymers and copolymers

N-Alkyl nitro phenyl diethylene triamine dyeing of acid modified sy...