Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4328142 | Preparation of water-soluble condensates and their use as crosslinking agents for the preparation of papermaking aids | Otto Hertel, Jaroslav Melzer | 1982-05-04 |
ES
Emil Scharf
Overall (1982): #66,903 of 81,411Top 85%
1
Patents 1982