Martin Oberholzer

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Witterswil, CH

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Patents Grantslast 30 patents

Information Patent Grant
Basic bisazo compounds
- Patent number 8,921,564
- Issue date Dec 30, 2014
- Clariant Finance (BVI) Ltd
- Ludwig Hasemann
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Storage stable solutions of optical brighteners
- Patent number 8,894,815
- Issue date Nov 25, 2014
- Clariant Finance (BVI) Limited
- John Martin Farrar
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Storage stable solutions of optical brighteners
- Patent number 8,784,612
- Issue date Jul 22, 2014
- Clariant Finance (BVI) Limited
- John Martin Farrar
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Azo dyestuffs
- Patent number 7,371,831
- Issue date May 13, 2008
- Clariant Finance (BVI) Limited
- Martin Oberholzer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Fiber-reactive disazo dyestuffs
- Patent number 6,319,290
- Issue date Nov 20, 2001
- Clariant Finance (BVI) Limited
- Detlef Kalweit
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
STORAGE STABLE SOLUTIONS OF OPTICAL BRIGHTENERS
- Publication number 20100294447
- Publication date Nov 25, 2010
- CLARIANT FINANCE (BVI) LIMITED
- John Martin Farrar
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Basic Bisazo Compounds
- Publication number 20100000033
- Publication date Jan 7, 2010
- CLARIANT FINANCE (BVI) LIMITED
- Ludwig Hasemann
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Concentrated Dye Solution
- Publication number 20070251030
- Publication date Nov 1, 2007
- Martin Oberholzer
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Azo dyestuffs
- Publication number 20040083924
- Publication date May 6, 2004
- Martin Oberholzer
- C07 - ORGANIC CHEMISTRY