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Frankfurt, Germany

Biotest-serum-institut Gmbh

USPTO Granted Patents = 27

Forward Citations = 714

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28 inventors (with patents filed for the assignee):

Wolfgang Stephan (10 out of 20 patents)

Ronald Kotitschke (6 out of 9 patents)

Hans Schleussner (4 out of 8 patents)

4. Klaus Bonhard (4 out of 4 patents)

5. Wolfram H Walker (4 out of 5 patents)

6. Hans H Sonneborn (4 out of 4 patents)

7. Udo Schwulera (3 out of 4 patents)

8. Norbert Kothe (2 out of 9 patents)

9. Uwe Boysen (2 out of 2 patents)

10. Hans D Hempel (2 out of 2 patents)

11. Dieter Merz (2 out of 2 patents)

12. Horst Uthemann (1 out of 3 patents)

13. Bertram Eichentopf (1 out of 4 patents)

14. Karlheinz Ganshirt (1 out of 3 patents)

15. Jurgen Horn (1 out of 4 patents)

27 patents: Sort by Forward Citations

1. 4777244 - Crosslinked hemoglobin of extended shelf life and high oxygen transport (1988-10-11),

2. 4770856 - Microtiter plate for blood typing (1988-09-13),

3. 4752573 - Use of tetrahydrobiopterin to enhance the proliferative activity of (1988-06-21),

4. 4751183 - Monoclonal antibody that recognizes a structure common to human (1988-06-14),

5. 4678753 - Blood-culture flask with integrated subculture (1987-07-07),

6. 4663293 - Device for testing air for microorganism content (1987-05-05),

7. 4572899 - Aqueous solution for suspending and storing cells, especially erthrocytes (1986-02-25),

8. 4508833 - Separation of interleukin-2 from phytohemagglutinin by dye matrix (1985-04-02),

9. 4503039 - Coagulant plasma-protein solution (1985-03-05),

10. 4450078 - Microfiltration device for the filtration of coagula and microaggregates (1984-05-22),

11. 4439357 - Process for obtaining hepatitis-safe, sterile hemoglobin solutions free (1984-03-27),

12. 4435179 - Blood bags with interconnecting system (1984-03-06),

13. 4396717 - Nutrient medium carrier system (1983-08-02),

14. 4370264 - Method for the cold sterilization of preparations containing blood (1983-01-25),

15. 4336248 - Preparation of coupled hemoglobin molecules (1982-06-22),

Biotest-Serum-Institut GmbH is a leading global pharmaceutical company specializing in the development, production, and distribution of immunological and haematological products. With a strong commitment to quality and innovation, the company provides therapies and diagnostic solutions for patients in need. Biotest-Serum-Institut GmbH is dedicated to improving the lives of individuals affected by various medical conditions through their advanced biotechnology and scientific expertise.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

27 Patents

#6 in Frankfurt, M.-Niederrad

#1,760 in DT

#23,254 in the World

Frankfurt, Germany

Biotest-serum-institut Gmbh

Forward Citations = 714

28 inventors:

Wolfgang Stephan (10 out of 20 patents)

Ronald Kotitschke (6 out of 9 patents)

Hans Schleussner (4 out of 8 patents)

4. Klaus Bonhard (4 out of 4 patents)

5. Wolfram H Walker (4 out of 5 patents)

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