Holger Heidenreich

Person

Kuden, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Removal of heavy metal ions from aqueous media
- Patent number 6,342,162
- Issue date Jan 29, 2002
- Bayer Aktiengesellschaft
- Holger Heidenreich
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process for the isolation of 2-naphthylamine-1,5-disulphonic acid
- Patent number 5,248,812
- Issue date Sep 28, 1993
- Bayer Aktiengesellschaft
- Horst Behre
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
AS-triazine compounds
- Patent number 5,070,198
- Issue date Dec 3, 1991
- Miles Inc.
- Piero Fossati
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Indicator compounds, method of their preparation and use of those c...
- Patent number 5,017,498
- Issue date May 21, 1991
- Miles Inc.
- Piero Fossati
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Indicators for the detection of thiol groups
- Patent number 4,994,570
- Issue date Feb 19, 1991
- Miles Inc.
- Holger Heidenreich
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for detecting hydrogen peroxide employing triaryl- and trihe...
- Patent number 4,988,616
- Issue date Jan 29, 1991
- Bayer Aktiengesellschaft
- Holger Heidenreich
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Indicators for the detection of thiol groups
- Patent number 4,962,019
- Issue date Oct 9, 1990
- Miles Inc.
- Holger Heidenreich
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Indicators for the detection of thiol groups
- Patent number 4,931,579
- Issue date Jun 5, 1990
- Miles Inc.
- Holger Heidenreich
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Acaricidal agents based on azomethines of 2,3-diaminomaleic acid ni...
- Patent number 4,921,872
- Issue date May 1, 1990
- Bayer Aktiengesellschaft
- Holger Heidenreich
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pest-combating agents based on derivatives of 2,3-diaminomaleonitrile
- Patent number 4,897,419
- Issue date Jan 30, 1990
- Bayer Aktiengesellschaft
- Holger Heidenreich
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Benzimidazolo-quinazolines
- Patent number 4,786,729
- Issue date Nov 22, 1988
- Bayer Aktiengesellschaft
- Holger Heidenreich
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Azo dyestuffs and liquid crystal material containing azo dyestuffs
- Patent number 4,770,809
- Issue date Sep 13, 1988
- Bayer Aktiengesellschaft
- Holger Heidenreich
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
3-thienylazo dyes with a gamma-acid coupler
- Patent number 4,711,954
- Issue date Dec 8, 1987
- Bayer Aktiengesellschaft
- Holger Heidenreich
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Color photographic recording material containing a thiophene azo dy...
- Patent number 4,579,805
- Issue date Apr 1, 1986
- Agfa-Gevaert Aktiengesellschaft
- Peter Bergthaller
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color photographic recording material containing dye-releasers rele...
- Patent number 4,579,817
- Issue date Apr 1, 1986
- Agfa-Gevaert Aktiengesellschaft
- Peter Bergthaller
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Chelatable 4-thienyl imidazole azo dyes, their use in color photogr...
- Patent number 4,524,123
- Issue date Jun 18, 1985
- Agfa-Gevaert Aktiengesellschaft
- Gunther Schenk
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color photographic recording material
- Patent number 4,418,143
- Issue date Nov 29, 1983
- Agfa-Gevaert Aktiengesellschaft
- Peter Bergthaller
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Holger Heidenreich

Person

Patents Grantslast 30 patents

Removal of heavy metal ions from aqueous media

Process for the isolation of 2-naphthylamine-1,5-disulphonic acid

AS-triazine compounds

Indicator compounds, method of their preparation and use of those c...

Indicators for the detection of thiol groups

Method for detecting hydrogen peroxide employing triaryl- and trihe...

Indicators for the detection of thiol groups

Indicators for the detection of thiol groups

Acaricidal agents based on azomethines of 2,3-diaminomaleic acid ni...

Pest-combating agents based on derivatives of 2,3-diaminomaleonitrile

Benzimidazolo-quinazolines

Azo dyestuffs and liquid crystal material containing azo dyestuffs

3-thienylazo dyes with a gamma-acid coupler

Color photographic recording material containing a thiophene azo dy...

Color photographic recording material containing dye-releasers rele...

Chelatable 4-thienyl imidazole azo dyes, their use in color photogr...

Color photographic recording material