| 6258531 |
Method of isolating a biological material |
Gerhard Bienhaus, Michael Fritz, Jurgen Schwab, Herbert Harttig, Heinz Macho |
2001-07-10 |
| 6017698 |
Method of binding a biological material |
Gerhard Bienhaus, Michael Fritz, Jurgen Schwab, Herbert Harttig, Heinz Macho |
2000-01-25 |
| 5957822 |
Lid for closing vessels |
Gerhard Bienhaus, Michael Fritz, Jurgen Schwab, Herbert Harttig, Heinz Macho |
1999-09-28 |
| 5855852 |
Vessel for reducing contamination in the treatment of liquids |
Gerhard Bienhaus, Michael Fritz, Jurgen Schwab, Herbert Harttig, Heinz Macho |
1999-01-05 |
| 4847196 |
Stabilized composition of tetrazolium salts |
Helmut Feuerstein, Hans Lange |
1989-07-11 |
| 4613569 |
Stabilized composition of tetrazolium salts |
Helmut Feuerstein, Hans Lange |
1986-09-23 |
| 4605629 |
Method of eluting reagent from reagent strips for chemical analyses and reagent strip therefor |
Hans Lange, Wolfgang Werner |
1986-08-12 |