Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6472564 | Process for the preparation of toluylene diisocyanate, specific mixtures of toluylene diamine and water, and the use of toluylene diamine and water mixtures to prepare toluylene diisocyanate | Klaus Biskup | 2002-10-29 |
| 6359177 | Process for separating mixtures of materials having different boiling points | Bill Brady, Guenther Weymans | 2002-03-19 |