Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4330480 | Preparation of aminoalkyl half-esters of sulfuric acid | Otto Hertel, Karl-Heinz Beyer, Albrecht H. Wallis, Klaus Wulz | 1982-05-18 |
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Overall (1982): #80,535 of 81,411Top 100%
1
Patents 1982