Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4353939 | Process for the manufacture of tubing based on cellulose hydrate having a coating on its inside and apparatus for carrying out the process | Reinhold Becker, Richard Regner | 1982-10-12 |
| 4353940 | Process for the manufacture of tubing having a coating on its inside and apparatus for carrying out the process | Reinhold Becker, Richard Regner | 1982-10-12 |
| 4232128 | Porous shaped cellulose hydrate article with an improved cleaning effect | Wolfgang Michel | 1980-11-04 |
| 4198968 | Porous shaped article of regenerated cellulose adapted for medical use | Heinrich Fauth | 1980-04-22 |