Stephan Wittmar

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Erlenbach, DE

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Patents Grantslast 30 patents

Information Patent Grant
High molecular weight poly(methacrylic acid)
- Patent number 11,447,583
- Issue date Sep 20, 2022
- Alcon Inc.
- Stephan Wittmar
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
High molecular weight poly(methacrylic acid)
- Patent number 11,001,652
- Issue date May 11, 2021
- Alcon Inc.
- Stephan Wittmar
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Soft contact lenses with a lubricious coating covalently-attached t...
- Patent number 10,782,450
- Issue date Sep 22, 2020
- Alcon Inc.
- Harald Bothe
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
HIGH MOLECULAR WEIGHT POLY(METHACRYLIC ACID)
- Publication number 20210230321
- Publication date Jul 29, 2021
- Alcon Inc.
- Stephan Wittmar
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
HIGH MOLECULAR WEIGHT POLY(METHACRYLIC ACID)
- Publication number 20200239606
- Publication date Jul 30, 2020
- Alcon Inc.
- Stephan Wittmar
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
SOFT CONTACT LENSES WITH A LUBRICIOUS COATING COVALENTLY-ATTACHED T...
- Publication number 20180113236
- Publication date Apr 26, 2018
- Novartis AG
- Harald Bothe
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...