Gerhard Wolfrum

Person

Bergisch-Neukirchen, DT

People

Patents Grantslast 30 patents

Information Patent Grant
Acylamino quinophthalone compounds
- Patent number 4,088,651
- Issue date May 9, 1978
- Bayer Aktiengesellschaft
- Dietmar Kalz
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Benzene-azo-indole dyestuffs
- Patent number 4,060,521
- Issue date Nov 29, 1977
- Bayer Aktiengesellschaft
- Dieter vor der Bruck
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Transfer printing process
- Patent number 4,059,402
- Issue date Nov 22, 1977
- Bayer Aktiengesellschaft
- Gerhard Wolfrum
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Sulfo containing monoazo dyestuffs containing a benzthiazole diazo...
- Patent number 4,041,024
- Issue date Aug 9, 1977
- Bayer Aktiengesellschaft
- Gerhard Wolfrum
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for dyeing polyurethane resins
- Patent number 4,038,240
- Issue date Jul 26, 1977
- Bayer Aktiengesellschaft
- Herbert Hugl
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aryl- or alkyl-sulphonyl aminosulphonylphenyl-azo-arylene-azo-pheny...
- Patent number 4,024,126
- Issue date May 17, 1977
- Bayer Aktiengesellschaft
- Richard Sommer
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Sulfaphenyl-azo-phenyl-azo-aminophenyl dyestuffs
- Patent number 4,022,763
- Issue date May 10, 1977
- Bayer Aktiengesellschaft
- Richard Sommer
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Monoazo dyestuffs containing an N-.beta.-1,2,3-triazolylethyl anili...
- Patent number 4,013,631
- Issue date Mar 22, 1977
- Bayer Aktiengesellschaft
- Gerhard Wolfrum
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Benzenesulphonylbenzenesulphonamideazophenyl-or-naphthyl-azolhydrox...
- Patent number 4,008,216
- Issue date Feb 15, 1977
- Bayer Aktiengesellschaft
- Richard Sommer
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Aminosulfonylphenyl-azo-indolyl dyestuffs
- Patent number 4,000,123
- Issue date Dec 28, 1976
- Bayer Aktiengesellschaft
- Richard Sommer
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Azo dyestuffs containing sulfonylamino-sulfonyl groups
- Patent number 3,994,873
- Issue date Nov 30, 1976
- Bayer Aktiengesellschaft
- Richard Sommer
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Disulphimidophenyl-azo-naphthyl-azo-aminophenyl dyestuffs
- Patent number 3,978,039
- Issue date Aug 24, 1976
- Bayer Aktiengesellschaft
- Richard Sommer
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Disulfimide disazo dyestuffs
- Patent number 3,971,770
- Issue date Jul 27, 1976
- Bayer Aktiengesellschaft
- Richard Sommer
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Indole-containing disazo dyestuffs having a sulfatoalkyleneoxy-subs...
- Patent number 3,956,267
- Issue date May 11, 1976
- Bayer Aktiengesellschaft
- Richard Sommer
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Arylsulphonylaminosulphonylphenyl-azo-arylene-azo-phenyl dyestuff
- Patent number 3,945,992
- Issue date Mar 23, 1976
- Bayer Aktiengesellschaft
- Richard Sommer
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Gerhard Wolfrum

Person

Patents Grantslast 30 patents

Acylamino quinophthalone compounds

Benzene-azo-indole dyestuffs

Transfer printing process

Sulfo containing monoazo dyestuffs containing a benzthiazole diazo...

Process for dyeing polyurethane resins

Aryl- or alkyl-sulphonyl aminosulphonylphenyl-azo-arylene-azo-pheny...

Sulfaphenyl-azo-phenyl-azo-aminophenyl dyestuffs

Monoazo dyestuffs containing an N-.beta.-1,2,3-triazolylethyl anili...

Benzenesulphonylbenzenesulphonamideazophenyl-or-naphthyl-azolhydrox...

Aminosulfonylphenyl-azo-indolyl dyestuffs

Azo dyestuffs containing sulfonylamino-sulfonyl groups

Disulphimidophenyl-azo-naphthyl-azo-aminophenyl dyestuffs

Disulfimide disazo dyestuffs

Indole-containing disazo dyestuffs having a sulfatoalkyleneoxy-subs...

Arylsulphonylaminosulphonylphenyl-azo-arylene-azo-phenyl dyestuff