Robert Purrmann

Person

Starnberg, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Shapable material and shaped articles obtainable therefrom
- Patent number 4,927,866
- Issue date May 22, 1990
- ESPE Stiftung & Co. Produktions- und Vertriebs KG
- Robert Purrmann
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
1,2,6-Thiadiazine-3,5-dione-1,1-dioxides
- Patent number 4,544,742
- Issue date Oct 1, 1985
- Werner Schmitt
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Nonadhesive impression material
- Patent number 4,493,911
- Issue date Jan 15, 1985
- Espe Fabrik pharmazeutischer Praparate, GmbH
- Werner Schmitt
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
1,2,6-Thiadiazine-3,5-dione-1,1-dioxides and their use as polymeriz...
- Patent number 4,443,587
- Issue date Apr 17, 1984
- Abitz, Morf, Gritschneder
- Werner Schmitt
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Use of agglomerates of silicic acid as fillers in dental materials
- Patent number 4,389,497
- Issue date Jun 21, 1983
- Espe Fabrik Parmazeutischer Praparate GmbH
- Werner Schmitt
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Calcium depleted aluminum fluorosilicate glass powder for use in de...
- Patent number 4,376,835
- Issue date Mar 15, 1983
- ESPE Fabrik Pharmazeutischer Praparate GmbH
- Werner Schmitt
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Light curable acrylic dental composition with calcium fluoride pigment
- Patent number 4,372,836
- Issue date Feb 8, 1983
- Espe Fabrik Parmazeutischer Praparate GmbH
- Werner Schmitt
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Mixing component for dental glass ionomer cements
- Patent number 4,360,605
- Issue date Nov 23, 1982
- ESPE Fabrik Pharmazeutischer Praparate GmbH
- Werner Schmitt
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Photopolymerizable compositions based on acrylic or methacrylic aci...
- Patent number 4,189,365
- Issue date Feb 19, 1980
- ESPE Fabrik Pharmazeutischer Praparate GmbH
- Werner Schmitt
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Dental compositions comprising acrylic esters of tricyclo [5.2.1.0....
- Patent number 4,131,729
- Issue date Dec 26, 1978
- ESPE Fabrik Pharmazeutischer Praparate GmbH
- Werner Schmitt
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for the photopolymerization of acrylic acid ester-containin...
- Patent number 4,116,788
- Issue date Sep 26, 1978
- ESPE Fabrik Pharmazeutischer Praparate GmbH
- Werner Schmitt
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Robert Purrmann

Person

Patents Grantslast 30 patents

Shapable material and shaped articles obtainable therefrom

1,2,6-Thiadiazine-3,5-dione-1,1-dioxides

Nonadhesive impression material

1,2,6-Thiadiazine-3,5-dione-1,1-dioxides and their use as polymeriz...

Use of agglomerates of silicic acid as fillers in dental materials

Calcium depleted aluminum fluorosilicate glass powder for use in de...

Light curable acrylic dental composition with calcium fluoride pigment

Mixing component for dental glass ionomer cements

Photopolymerizable compositions based on acrylic or methacrylic aci...

Dental compositions comprising acrylic esters of tricyclo [5.2.1.0....

Process for the photopolymerization of acrylic acid ester-containin...