Doris Schafer

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Arisdorf, CH

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Patents Grantslast 30 patents

Information Patent Grant
Novel polyether carboxylic acid derivatives, as well as their uses
- Patent number 4,818,440
- Issue date Apr 4, 1989
- Stamicarbon B.V.
- Werner Schafer
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method of cleaning contact lens using compositions containing polye...
- Patent number 4,808,239
- Issue date Feb 28, 1989
- Alcon Laboratories, Inc.
- Doris Schafer
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Sustained release drug delivery system utilizing bioadhesive polymers
- Patent number 4,617,186
- Issue date Oct 14, 1986
- Alcon Laboratories, Inc.
- Doris Schafer
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Solution and method for removing protein, lipid, and calcium deposi...
- Patent number 4,599,195
- Issue date Jul 8, 1986
- Alcon Laboratories, Inc.
- Doris Schafer
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Polymer hydrogels adapted for use as soft contact lenses, and metho...
- Patent number 4,546,123
- Issue date Oct 8, 1985
- Alcon Laboratories, Inc.
- Doris Schafer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Transdermal carrier materials
- Patent number 4,362,737
- Issue date Dec 7, 1982
- Rolf Schafer
- C07 - ORGANIC CHEMISTRY