Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5204307 | Process for alkylation of aromatic diamines | Olan Wayne Mitchell, R. Woodrow Wilson, Jr. | 1993-04-20 |
| 5103059 | Process for alkylation of aromatic diamines | Olan Wayne Mitchell, R. Woodrow Wilson, Jr. | 1992-04-07 |
| 5057625 | Selective alkylation process | — | 1991-10-15 |
| 4611045 | Monoalkylation of 1-alkyl-diaminobenzenes | — | 1986-09-09 |
| 4604484 | Monoalkylation of 1-alkyl-diaminobenzenes | — | 1986-08-05 |
| 4459399 | Polyurethanes and process therefor | Kestutis A. Keblys, Donald H. Lucast | 1984-07-10 |
| 4440952 | 1-Methyl-2,6-diamino-3-isopropyl benzene | — | 1984-04-03 |
| 4341903 | Process for rearrangement of alkyl groups on aromatic amines | John C. Wollensak, Chester P. Jarema | 1982-07-27 |
| 4317931 | Process for rearrangement of alkyl groups on aromatic amines | John C. Wollensak, Chester P. Jarema | 1982-03-02 |
| 4314962 | Phenol extended polyurethanes prepared by RIM process | John C. Wollensak | 1982-02-09 |
| 4219502 | Aromatic amine alkylation process | Manuel Brandt | 1980-08-26 |