Gerben P. Algra

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RB Maastricht, NL

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Patents Grantslast 30 patents

Information Patent Grant
Continuous process for preparing acrylate based pigment preparations
- Patent number 6,103,795
- Issue date Aug 15, 2000
- Ciba Specialty Chemicals Corporation
- Johannes Leugs
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Continuous process for preparing acrylate based pigment preparations
- Patent number 5,905,111
- Issue date May 18, 1999
- Ciba Specialty Chemicals Corporation
- Johannes Leugs
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Novel process for the preparation of lead molybdate pigments and no...
- Patent number 5,007,963
- Issue date Apr 16, 1991
- Ciba-Geigy Corporation
- Leonardus J. H. Erkens
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Orthorhombic greenish-tinged lead chromate pigments
- Patent number 4,921,541
- Issue date May 1, 1990
- Ciba-Geigy Corporation
- Leonardus J. H. Erkens
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Orthorhombic lead chromate pigments of greenish hue
- Patent number 4,872,915
- Issue date Oct 10, 1989
- Ciba-Geigy Corporation
- Leonardus J. H. Erkens
- C01 - INORGANIC CHEMISTRY