Coenraad Jan Spaans

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Alkmaar, NL

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Patents Grantslast 30 patents

Information Patent Grant
Hydrogels and methods for their production
- Patent number 7,297,726
- Issue date Nov 20, 2007
- AMO Groningen B.V.
- Albert Johan Pennings
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Hydrogels and methods for their production
- Patent number 6,846,875
- Issue date Jan 25, 2005
- Pharmacia Groningen BV
- Albert Johan Pennings
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Biomedical polyurethane, its preparation and use
- Patent number 6,784,273
- Issue date Aug 31, 2004
- Polyganics B.V.
- Coenraad Jan Spaans
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Hydrogels and methods for their production
- Publication number 20050008705
- Publication date Jan 13, 2005
- Albert Johan Pennings
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Hydrogels and methods for their production
- Publication number 20020034547
- Publication date Mar 21, 2002
- Albert Johan Pennings
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Biomedical polyurethane-amide, its preparation and use
- Publication number 20010043913
- Publication date Nov 22, 2001
- Polyganics B.V.
- Coenraad Jan Spaans
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...