Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808343 | Process for isolating paraffinsulfonates with a low alkali metal sulfate content and sulfuric acid from paraffin-sulfoxidation reaction mixtures without obligatory production of sodium sulfate | — | 1989-02-28 |