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Rox Phaff
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Rheinfelden, CH
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Patents Grants
last 30 patents
Information
Patent Grant
Chromogenic lactams
Patent number
5,362,872
Issue date
Nov 8, 1994
Ciba-Geigy Corporation
Hans Baumann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Pyran-containing phthalides
Patent number
5,210,232
Issue date
May 11, 1993
Ciba-Geigy Corporation
Rox Phaff
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Indoline-containing phthalides
Patent number
5,162,544
Issue date
Nov 10, 1992
Ciba-Geigy Corporation
Rox Phaff
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Pyran-containing phthalides
Patent number
5,097,044
Issue date
Mar 17, 1992
Ciba-Geigy Corporation
Rox Phaff
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Chromogenic phthalides and azaphthalides
Patent number
5,071,986
Issue date
Dec 10, 1991
Ciba-Geigy Corporation
Rox Phaff
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Pressure-or heat-sensitive recording material
Patent number
5,024,988
Issue date
Jun 18, 1991
Ciba-Geigy Corporation
Rudolf Zink
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Pressure- or heat-sensitive recording material
Patent number
5,013,707
Issue date
May 7, 1991
Ciba-Geigy Corporation
Rox Phaff
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Chromogenic phthalides and azaphthalides
Patent number
5,004,813
Issue date
Apr 2, 1991
Ciba-Geigy Corporation
Rox Phaff
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Chromogenic 1-heterocyclic substituted 2,4-benzoxazines
Patent number
4,920,220
Issue date
Apr 24, 1990
Ciba-Geigy Corporation
Rox Phaff
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Chromogenic phthalides and azaphthalides
Patent number
4,876,357
Issue date
Oct 24, 1989
Ciba-Geigy Corporation
Rox Phaff
C07 - ORGANIC CHEMISTRY