Jean-Pierre Degand

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Paris, FR

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Patents Grantslast 30 patents

Information Patent Grant
Organic glass ophthalmic lens having an impact-resistant primer lay...
- Patent number 6,858,305
- Issue date Feb 22, 2005
- Essilor International Compagnie Generale d'Optique
- Jean-Pierre Degand
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Ophthalmic lens made of organic glass with an impact-resistant inte...
- Patent number 6,489,028
- Issue date Dec 3, 2002
- Essilor International Compagnie Generale d'Optique
- Jean-Pierre Degand
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Organic glass ophthalmic lens having an impact-resistant primer lay...
- Publication number 20020071091
- Publication date Jun 13, 2002
- Jean-Pierre Degand
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL