Erwin Hahn

Person

Heidelberg, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process of making metal-coated melamine/formaldehyde resin fibers
- Patent number 5,560,961
- Issue date Oct 1, 1996
- BASF Aktiengesellschaft
- Joerg Adel
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Fluorescent pigments
- Patent number 5,470,502
- Issue date Nov 28, 1995
- BASF Aktiengesellschaft
- Erwin Hahn
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation of 1-amino-4-hydroxyanthraquinone
- Patent number 5,424,461
- Issue date Jun 13, 1995
- BASF Aktiengesellschaft
- Erwin Hahn
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Production of shining shaped articles coated with zinc or a zinc alloy
- Patent number 5,421,990
- Issue date Jun 6, 1995
- BASF Aktiengesellschaft
- Erwin Hahn
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Rhodamine derivatives
- Patent number 5,410,053
- Issue date Apr 25, 1995
- BASF Aktiengesellschaft
- Erwin Hahn
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Chemical degradation of cured amino resins
- Patent number 5,393,828
- Issue date Feb 28, 1995
- BASF Aktiengesellschaft
- Juergen Weiser
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Recycling of cured aminoplast resins
- Patent number 5,382,476
- Issue date Jan 17, 1995
- BASF Aktiengesellschaft
- Juergen Weiser
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Preparation of 2-(4-aminophenyl)benzothiazole compounds
- Patent number 5,371,232
- Issue date Dec 6, 1994
- BASF Aktiengesellschaft
- Christoph Bomba
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Recycling of cured aminoplast resins
- Patent number 5,356,938
- Issue date Oct 18, 1994
- BASF Aktiengesellschaft
- Juergen Weiser
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Preparation of N-hydroxyazoles
- Patent number 5,332,830
- Issue date Jul 26, 1994
- BASF Aktiengesellschaft
- Klaus H. von Locquenghien
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Azo dyes with a coupling component of the quinoline series
- Patent number 5,306,815
- Issue date Apr 26, 1994
- BASF Aktiengesellschaft
- Erwin Hahn
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Thiazoleazo dyes having a coupling component of the diphenylamine s...
- Patent number 5,298,610
- Issue date Mar 29, 1994
- BASF Aktiengesellschaft
- Erwin Hahn
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Basic azo dyes with a coupling component of the hydroxynaphthalenec...
- Patent number 5,286,854
- Issue date Feb 15, 1994
- BASF Aktiengesellschaft
- Erwin Hahn
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Use of heterocyclic compounds as bleach activators or optical brigh...
- Patent number 5,286,401
- Issue date Feb 15, 1994
- BASF Aktiengesellschaft
- Bernhard Dung
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Azo dyes with A2-aminothiophene dye azo component and a coupling co...
- Patent number 5,270,456
- Issue date Dec 14, 1993
- BASF Aktiengesellschaft
- Erwin Hahn
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Preparation of aromatic carbonyl or sulfonyl compounds with an aryl...
- Patent number 5,256,826
- Issue date Oct 26, 1993
- BASF Aktiengesellschaft
- Erwin Hahn
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Stabilized aqueous alkyldiketene emulsions
- Patent number 5,154,763
- Issue date Oct 13, 1992
- BASF Aktiengesellschaft
- Peter Ksoll
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of J-acid urea
- Patent number 5,144,064
- Issue date Sep 1, 1992
- BASF Aktiengesellschaft
- Erwin Hahn
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Coloring paper
- Patent number 5,131,981
- Issue date Jul 21, 1992
- BASF Aktiengesellschaft
- Erwin Hahn
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Navy dye mixtures of azo disperse dyes for polyester
- Patent number 5,112,362
- Issue date May 12, 1992
- BASF Aktiengesellschaft
- Erwin Hahn
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Dyeing of polyamide substrates with an organic N-nitroso-hydroxylam...
- Patent number 5,076,808
- Issue date Dec 31, 1991
- BASF Aktiengesellschaft
- Erwin Hahn
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Novel navy and black disperse dye mixtures including amino-phenyl t...
- Patent number 5,062,861
- Issue date Nov 5, 1991
- BASF Aktiengesellschaft
- Erwin Hahn
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Doubled triphenylmethane dyes having bis acylpiperazine linkage
- Patent number 5,051,504
- Issue date Sep 24, 1991
- BASF Aktiengesellschaft
- Erwin Hahn
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of cyclic N,N'-dimethylureas
- Patent number 4,970,321
- Issue date Nov 13, 1990
- BASF Aktiengesellschaft
- Rainer Betz
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of N-hydroxypyrazoles
- Patent number 4,945,167
- Issue date Jul 31, 1990
- BASF Aktiengesellschaft
- Ulf Baus
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Navy and black dye mixtures: thiophene azo disperse dye and red, ye...
- Patent number 4,908,041
- Issue date Mar 13, 1990
- BASF Aktiengesellschaft
- Erwin Hahn
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the preparation of 2-hydroxy-4-(2'-hydroxyethoxy) benzo...
- Patent number 4,885,396
- Issue date Dec 5, 1989
- BASF Aktiengesellschaft
- Erwin Hahn
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Isoindoline metal complexes
- Patent number 4,861,898
- Issue date Aug 29, 1989
- BASF Aktiengesellschaft
- Volker Radtke
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Tetrachloroperylene-3,4,9,10-tetracarboxylic acid diimide pigment a...
- Patent number 4,846,892
- Issue date Jul 11, 1989
- BASF Aktiengesellschaft
- Georg Henning
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Heterocyclic azo dyes
- Patent number 4,820,809
- Issue date Apr 11, 1989
- BASF Aktiengesellschaft
- Udo Bergmann
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Person

Patents Grantslast 30 patents

Process of making metal-coated melamine/formaldehyde resin fibers

Fluorescent pigments

Preparation of 1-amino-4-hydroxyanthraquinone

Production of shining shaped articles coated with zinc or a zinc alloy

Rhodamine derivatives

Chemical degradation of cured amino resins

Recycling of cured aminoplast resins

Preparation of 2-(4-aminophenyl)benzothiazole compounds

Recycling of cured aminoplast resins

Preparation of N-hydroxyazoles

Azo dyes with a coupling component of the quinoline series

Thiazoleazo dyes having a coupling component of the diphenylamine s...

Basic azo dyes with a coupling component of the hydroxynaphthalenec...

Use of heterocyclic compounds as bleach activators or optical brigh...

Azo dyes with A2-aminothiophene dye azo component and a coupling co...

Preparation of aromatic carbonyl or sulfonyl compounds with an aryl...

Stabilized aqueous alkyldiketene emulsions

Preparation of J-acid urea

Coloring paper

Navy dye mixtures of azo disperse dyes for polyester

Dyeing of polyamide substrates with an organic N-nitroso-hydroxylam...

Novel navy and black disperse dye mixtures including amino-phenyl t...

Doubled triphenylmethane dyes having bis acylpiperazine linkage

Preparation of cyclic N,N'-dimethylureas

Preparation of N-hydroxypyrazoles

Navy and black dye mixtures: thiophene azo disperse dye and red, ye...

Process for the preparation of 2-hydroxy-4-(2'-hydroxyethoxy) benzo...

Isoindoline metal complexes

Tetrachloroperylene-3,4,9,10-tetracarboxylic acid diimide pigment a...

Heterocyclic azo dyes