Doumaux, Jr.; Arthur R.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Doumaux, Jr.; Arthur R..The latest application filed is for "catalysts and process of making same for the production of linear polyamines".
- Doumaux, Jr.; Arthur R. - Charleston WV
| Patent | Date |
|---|---|
| Catalysts and process of making same for the production of linear polyamines Grant 5,362,700 - Doumaux, Jr. November 8, 1 | 1994-11-08 |
| Amines catalysis using group VIB metal-containing condensation catalysts Grant 5,225,600 - King , et al. * July 6, 1 | 1993-07-06 |
| Processes for the preparation of cyclic nitrogen-containing compounds Grant 5,112,984 - Richey, Jr. , et al. May 12, 1 | 1992-05-12 |
| Process for removal of impurities in alkyl nitrite formation Grant 4,879,401 - Doumaux, Jr. , et al. November 7, 1 | 1989-11-07 |
| Quality of catalytically prepared polyalkylene polyamines Grant 4,827,037 - Doumaux, Jr. May 2, 1 | 1989-05-02 |
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