Fritz Fleck

Person

Rottmingen, CH

People

Patents Grantslast 30 patents

Information Patent Grant
Thieno[3,2-b]benzofuran and benzothiophene derivatives useful as op...
- Patent number 4,526,976
- Issue date Jul 2, 1985
- Sandoz Ltd.
- Fritz Fleck
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
7-Styryl coumarin derivatives
- Patent number 4,386,200
- Issue date May 31, 1983
- Sandoz Ltd.
- Fritz Fleck
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Bis-(triazinylamino)-stilbenesulphonic acids
- Patent number 4,252,604
- Issue date Feb 24, 1981
- Sandoz Ltd.
- Fritz Fleck
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Substituted divinyl stilbenes as optical brighteners
- Patent number 4,196,229
- Issue date Apr 1, 1980
- Sandoz Ltd.
- Fritz Fleck
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Fluorescent 1,2,3-triazole derivatives of 3-phenylcoumarin
- Patent number 4,182,861
- Issue date Jan 8, 1980
- Sandoz Ltd.
- Fritz Fleck
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Para-phenyl stilbene derivatives
- Patent number 4,179,578
- Issue date Dec 18, 1979
- Sandoz Ltd.
- Fritz Fleck
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Improved optical brightening of polyamides
- Patent number 4,169,702
- Issue date Oct 2, 1979
- Sandoz Ltd.
- Fritz Fleck
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Triazolylstyrene compounds
- Patent number 4,167,629
- Issue date Sep 11, 1979
- Sandoz Ltd.
- Fritz Fleck
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Triazolyl stilbene triazoles
- Patent number 4,167,626
- Issue date Sep 11, 1979
- Sandoz Ltd.
- Fritz Fleck
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Divinyl stilbenes as optical brighteners
- Patent number 4,108,887
- Issue date Aug 22, 1978
- Sandoz Ltd.
- Fritz Fleck
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
1,3-Diaryl-2-pyrazoline derivatives
- Patent number 4,085,101
- Issue date Apr 18, 1978
- Sandoz Ltd.
- Alec Victor Mercer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Para-phenyl stilbene derivatives
- Patent number 4,032,558
- Issue date Jun 28, 1977
- Sandoz Ltd.
- Fritz Fleck
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Bis-(triazinylamino) stilbene compounds
- Patent number 4,025,507
- Issue date May 24, 1977
- Sandoz Ltd.
- Fritz Fleck
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Fluorescent 1,2,3-triazole derivatives of 3-phenylcoumarin
- Patent number 4,006,158
- Issue date Feb 1, 1977
- Sandoz Ltd.
- Fritz Fleck
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
1,3-Diaryl-2-pyrazoline derivatives
- Patent number 4,003,889
- Issue date Jan 18, 1977
- Sandoz Ltd.
- Ivan Joseph Bolton
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Monobenzoxazolylstilbenes
- Patent number 3,996,210
- Issue date Dec 7, 1976
- Sandoz Ltd.
- Fritz Fleck
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Bis-(triazinylamino)stilbene compounds
- Patent number 3,970,647
- Issue date Jul 20, 1976
- Sandoz Ltd.
- Hans Balzer
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Pyrazoline compounds
- Patent number 3,956,280
- Issue date May 11, 1976
- Sandoz Ltd.
- Fritz Fleck
Information Patent Grant
Bis-(triazinylamino)-stillene derivatives
- Patent number 3,956,283
- Issue date May 11, 1976
- Sandoz Ltd.
- Fritz Fleck
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Triazolylstyryl triazoles
- Patent number 3,940,388
- Issue date Feb 24, 1976
- Sandoz Ltd., (Sandoz AG)
- Horst Aebli
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pyrazoline derivatives
- Patent number 3,939,154
- Issue date Feb 17, 1976
- Sandoz Ltd., (Sandoz AG)
- Ivan Joseph Bolton
- C07 - ORGANIC CHEMISTRY

Fritz Fleck

Person

Patents Grantslast 30 patents

Thieno[3,2-b]benzofuran and benzothiophene derivatives useful as op...

7-Styryl coumarin derivatives

Bis-(triazinylamino)-stilbenesulphonic acids

Substituted divinyl stilbenes as optical brighteners

Fluorescent 1,2,3-triazole derivatives of 3-phenylcoumarin

Para-phenyl stilbene derivatives

Improved optical brightening of polyamides

Triazolylstyrene compounds

Triazolyl stilbene triazoles

Divinyl stilbenes as optical brighteners

1,3-Diaryl-2-pyrazoline derivatives

Para-phenyl stilbene derivatives

Bis-(triazinylamino) stilbene compounds

Fluorescent 1,2,3-triazole derivatives of 3-phenylcoumarin

1,3-Diaryl-2-pyrazoline derivatives

Monobenzoxazolylstilbenes

Bis-(triazinylamino)stilbene compounds

Pyrazoline compounds

Bis-(triazinylamino)-stillene derivatives

Triazolylstyryl triazoles

Pyrazoline derivatives