Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887434 | Apparatus for the cryogenic enrichment of trace substances of a gas stream | Jochen Rudolph | 1989-12-19 |
| 4350767 | Method for isolating and purifying enzymes from a crude enzyme solution | Ulrich Zimmermann, Mohammed Saleemuddin | 1982-09-21 |
| 4292408 | Mass and a method of preparing same of living cells of organisms for adsorbing metal ions from a physiological solution, and employment of the mass for enriching metals | Ulrich Zimmermann | 1981-09-29 |
| 4289756 | Physiological preparation containing loaded cells of expanded volume in suspension, for preferential accumulation in spleen and liver | Ulrich Zimmermann, Karin Bock, Hermann J. Buers | 1981-09-15 |
| 4269826 | Physiological preparation containing loaded cells in suspension and a magnetic agent for local concentration thereof in a living body | Ulrich Zimmermann | 1981-05-26 |
| 4224313 | Physiological preparation containing loaded cells in suspension and an agent for counteraction of cell membrane disintegration | Ulrich Zimmermann, Karin Bock, Hermann J. Buers | 1980-09-23 |
| 4220916 | Method of and apparatus for determining the breakdown characteristics and size of membrane-sheathed particles such as cells | Ulrich Zimmermann, Michael R. Groves | 1980-09-02 |