Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10548301 | Salt-composition for supplementing a mineral balance in the aquaristic area, ready for use solution of said salt-composition, use of said salt-composition, and aquaristic ornamental stone obtained by said use | Hans-Werner BALLING | 2020-02-04 |
| 4943374 | Use of a microporous membrane constructed of polyether sulfon and hydrophilization agent for the filtration of beer | Hans-Ulrich Heininger, Wilhelm Munninger | 1990-07-24 |