Jean C. Petitpierre

Person

Kaiseraugst, CH

People

Patents Grantslast 30 patents

Information Patent Grant
Pressure-sensitive or heat-sensitive recording material
- Patent number 4,716,424
- Issue date Dec 29, 1987
- Ciba-Geigy Corporation
- Jean C. Petitpierre
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Chromogenic propenylenesulfone compounds
- Patent number 4,411,450
- Issue date Oct 25, 1983
- Ciba-Geigy Corporation
- Jean C. Petitpierre
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Carbazolylmethane compounds
- Patent number 4,369,326
- Issue date Jan 18, 1983
- Ciba-Geigy Corporation
- Jean C. Petitpierre
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Copying material employing fluoran color formers
- Patent number 4,349,218
- Issue date Sep 14, 1982
- Robert Garner
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Pressure-sensitive or heat-sensitive recording material
- Patent number 4,316,621
- Issue date Feb 23, 1982
- Ciba-Geigy Corporation
- Jean C. Petitpierre
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Benzopyranothiazoles
- Patent number 4,316,036
- Issue date Feb 16, 1982
- Ciba-Geigy Corporation
- Jean C. Petitpierre
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pressure-sensitive or heat-sensitive recording material
- Patent number 4,309,047
- Issue date Jan 5, 1982
- Ciba-Geigy Corporation
- Jean C. Petitpierre
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Fluoran compounds
- Patent number 4,302,393
- Issue date Nov 24, 1981
- Ciba-Geigy Corporation
- Robert Garner
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
3-Indolyl-3-bis-amino-phenyl-phthalide compounds
- Patent number 4,295,663
- Issue date Oct 20, 1981
- Ciba-Geigy Corporation
- Jean C. Petitpierre
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Pressure-sensitive or heat-sensitive recording material
- Patent number 4,291,901
- Issue date Sep 29, 1981
- Ciba-Geigy Corporation
- Jean C. Petitpierre
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Chromogenic propenylenesulfone compounds
- Patent number 4,287,336
- Issue date Sep 1, 1981
- Ciba-Geigy Corporation
- Jean C. Petitpierre
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pressure-sensitive or heat-sensitive recording material and novel 2...
- Patent number 4,281,855
- Issue date Aug 4, 1981
- Ciba-Geigy Corporation
- Jean C. Petitpierre
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Carbazolylmethane compounds
- Patent number 4,275,005
- Issue date Jun 23, 1981
- Ciba-Geigy Corporation
- Jean C. Petitpierre
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Thiazolylphthalide compounds
- Patent number 4,269,978
- Issue date May 26, 1981
- Ciba-Geigy Corporation
- Jean C. Petitpierre
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Carbazolylmethane compounds
- Patent number 4,254,032
- Issue date Mar 3, 1981
- Ciba-Geigy Corporation
- Jean C. Petitpierre
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3-Indolyl-3-bis-amino-phenyl-phthalide compounds
- Patent number 4,252,975
- Issue date Feb 24, 1981
- Ciba-Geigy Corporation
- Jean C. Petitpierre
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Pressure-sensitive or heat-sensitive recording material and novel 2...
- Patent number 4,187,233
- Issue date Feb 5, 1980
- Ciba-Geigy Corporation
- Jean C. Petitpierre
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3-Indolyl-3-phenyl-phthalides
- Patent number 4,186,134
- Issue date Jan 29, 1980
- Ciba-Geigy Corporation
- Robert Garner
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Pressure- or heat-sensitive recording material and novel chromano c...
- Patent number 4,183,553
- Issue date Jan 15, 1980
- Ciba-Geigy Corporation
- Jean C. Petitpierre
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Chromenoindole color formers
- Patent number 4,174,856
- Issue date Nov 20, 1979
- Ciba-Geigy Corporation
- Heinz Balli
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3-Indolyl-3-bis-amino-phenyl-phthalide compounds
- Patent number 4,153,609
- Issue date May 8, 1979
- Ciba-Geigy Corporation
- Jean C. Petitpierre
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Production of chromenoindole compounds
- Patent number 4,132,714
- Issue date Jan 2, 1979
- Ciba-Geigy Corporation
- Jean C. Petitpierre
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Azo color former containing heat-sensitive recording material
- Patent number 4,131,695
- Issue date Dec 26, 1978
- Ciba-Geigy Corporation
- Jean C. Petitpierre
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Chromenoindole compounds
- Patent number 4,123,439
- Issue date Oct 31, 1978
- Ciba-Geigy Corporation
- Heinz Balli
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Bis-aminoarylethane amide compounds
- Patent number 4,115,450
- Issue date Sep 19, 1978
- Ciba-Geigy Corporation
- Robert Garner
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3-Cyano-1,2,4-thiadiazolyl-5-czo dyestuffs
- Patent number 4,101,541
- Issue date Jul 18, 1978
- Ciba-Geigy Corporation
- Jean Claude Petitpierre
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Thiazolylphthalide compounds
- Patent number 4,100,169
- Issue date Jul 11, 1978
- Ciba-Geigy Corporation
- Jean Claude Petitpierre
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Pressure-sensitive and/or heat-sensitive recording material
- Patent number 4,089,546
- Issue date May 16, 1978
- Ciba-Geigy Corporation
- Jean Claude Petitpierre
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Sulfonylamidino aminobenzaldehyde compounds
- Patent number 4,083,866
- Issue date Apr 11, 1978
- Ciba-Geigy Corporation
- Jean Claude Petitpierre
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Indolyl methylene leuco dyestuffs
- Patent number 4,072,690
- Issue date Feb 7, 1978
- Ciba-Geigy Corporation
- Robert Garner
- C07 - ORGANIC CHEMISTRY

Jean C. Petitpierre

Person

Patents Grantslast 30 patents

Pressure-sensitive or heat-sensitive recording material

Chromogenic propenylenesulfone compounds

Carbazolylmethane compounds

Copying material employing fluoran color formers

Pressure-sensitive or heat-sensitive recording material

Benzopyranothiazoles

Pressure-sensitive or heat-sensitive recording material

Fluoran compounds

3-Indolyl-3-bis-amino-phenyl-phthalide compounds

Pressure-sensitive or heat-sensitive recording material

Chromogenic propenylenesulfone compounds

Pressure-sensitive or heat-sensitive recording material and novel 2...

Carbazolylmethane compounds

Thiazolylphthalide compounds

Carbazolylmethane compounds

3-Indolyl-3-bis-amino-phenyl-phthalide compounds

Pressure-sensitive or heat-sensitive recording material and novel 2...

3-Indolyl-3-phenyl-phthalides

Pressure- or heat-sensitive recording material and novel chromano c...

Chromenoindole color formers

3-Indolyl-3-bis-amino-phenyl-phthalide compounds

Production of chromenoindole compounds

Azo color former containing heat-sensitive recording material

Chromenoindole compounds

Bis-aminoarylethane amide compounds

3-Cyano-1,2,4-thiadiazolyl-5-czo dyestuffs

Thiazolylphthalide compounds

Pressure-sensitive and/or heat-sensitive recording material

Sulfonylamidino aminobenzaldehyde compounds

Indolyl methylene leuco dyestuffs