Peter Bregnedal Hansen

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Horsholm, DK

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Patents Grantslast 30 patents

Information Patent Grant
Xanthene and thioxanthene derivatives, compositions thereof, and tr...
- Patent number 4,309,429
- Issue date Jan 5, 1982
- Kefalas A/S
- Niels Lassen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Xanthene and thioxanthene derivatives, compositions thereof and tre...
- Patent number 4,285,956
- Issue date Aug 25, 1981
- Kefalas A/S
- Niels Lassen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Xanthene and thioxanthene derivatives
- Patent number 4,275,209
- Issue date Jun 23, 1981
- Kefalas A/S
- Niels Lassen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Xanthene and thioxanthene derivatives, compositions thereof and a m...
- Patent number 4,035,503
- Issue date Jul 12, 1977
- Kefalas A/S
- Georg Ujvari
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Xanthene and thioxanthene compositions and method of treating
- Patent number 4,022,896
- Issue date May 10, 1977
- Kefalas A/S
- Georg Ujvari
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Xanthene and thioxanthene derivatives, compositions thereof and a m...
- Patent number 3,951,961
- Issue date Apr 20, 1976
- Kefalas A/S
- Georg Ujvari
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE