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Patents Grantslast 30 patents

Information Patent Grant
Phthalocyanines substituted by phosphorus-containing groups
- Patent number 5,641,879
- Issue date Jun 24, 1997
- Ciba-Geigy Corporation
- Heinz Wolleb
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Nir dyes, methods of preparing them and their use
- Patent number 5,391,762
- Issue date Feb 21, 1995
- Ciba-Geigy Corporation
- Rudolf Naef
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
NIR dyes, methods of preparing them and their use
- Patent number 5,266,699
- Issue date Nov 30, 1993
- Ciba-Geigy Corporation
- Rudolf Naef
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...