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Espe, Fabrik Pharmazeutischer Praparate Gmbh

USPTO Granted Patents = 22

Trademarks = 9

Forward Citations = 775

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18 inventors (with patents filed for the assignee):

Peter Jochum (13 out of 26 patents)

Werner Schmitt (11 out of 18 patents)

Robert Purrmann (10 out of 15 patents)

4. Oswald Gasser (6 out of 42 patents)

5. Wolf-Dietrich Herold (3 out of 31 patents)

6. Heijo Hubner (2 out of 4 patents)

7. Wolf-Dietrich Zahler (2 out of 6 patents)

8. Rainer Grimm-Lenz (2 out of 3 patents)

9. Wolf-Dieter Zahler (2 out of 3 patents)

10. Bernd Burger (2 out of 3 patents)

11. John W McLean (1 out of 2 patents)

12. Wolf Dieter Zahler (1 out of 1 patent)

13. Robert Purrman (1 out of 1 patent)

14. Heinz-Joachim Hubner (1 out of 4 patents)

15. Alexander Neumeister (1 out of 6 patents)

22 patents: Sort by Forward Citations

1. 4792632 - Bisacylphosphine oxides, the preparation and use thereof (1988-12-20),

2. 4767330 - Apparatus for fabricating tooth arrangement models (1988-08-30),

3. 4720319 - Method for applying retention means onto casting patterns of dental (1988-01-19),

4. 4603726 - Method of making individual castings (1986-08-05),

5. 4585667 - Process for producing plaster models for use in dentistry (1986-04-29),

6. 4560352 - Dispenser for metering dental compositions (1985-12-24),

7. 4542172 - Dental cement containing polyvinyl butyral as an additive (1985-09-17),

8. 4532268 - Imidazole agent for retarding the polymerization of aziridine compounds (1985-07-30),

9. 4527979 - Powdered dental material and process for the preparation thereof (1985-07-09),

10. 4493911 - Nonadhesive impression material (1985-01-15),

11. 4479781 - Dispenser for metering dental compositions (1984-10-30),

12. 4376835 - Calcium depleted aluminum fluorosilicate glass powder for use in dental (1983-03-15),

13. 4360605 - Mixing component for dental glass ionomer cements (1982-11-23),

14. 4298806 - Apparatus for irradiating substances curable by radiation (1981-11-03),

15. 4189365 - Photopolymerizable compositions based on acrylic or methacrylic acid (1980-02-19),

Espe, Fabrik Pharmazeutischer Praparate GmbH is a pharmaceutical company specializing in the production of high-quality medications. With a strong focus on innovation, Espe aims to develop and deliver safe, effective, and affordable pharmaceutical products that improve the lives of patients worldwide.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Jan 6 2026

22 Patents

#53 in

#2,092 in Germany

#27,919 in the World

Espe, Fabrik Pharmazeutischer Praparate Gmbh

Forward Citations = 775

18 inventors:

Peter Jochum (13 out of 26 patents)

Werner Schmitt (11 out of 18 patents)

Robert Purrmann (10 out of 15 patents)

4. Oswald Gasser (6 out of 42 patents)

5. Wolf-Dietrich Herold (3 out of 31 patents)

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