Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4997988 | Oxa-organic sulfur compounds, their preparation and use | John S. Roberts | 1991-03-05 |
| 4962169 | Oxa-organic sulfur compounds, their preparation and use | John S. Roberts | 1990-10-09 |
| 4891444 | Oxa-organic sulfur compounds, their preparation and use | John S. Roberts | 1990-01-02 |
| 4644073 | Permeability contrast correction employing a sulfate-free propionate-sequestered chromium (III) solution | Naim A. Mumallah | 1987-02-17 |
| 4636572 | Permeability contrast correction employing propionate-sequestered chromium(III) prepared by nitrite/dichromate redox | Paul S. Hudson | 1987-01-13 |
| 4560783 | Process for producing aluminum citrate solutions | Robert Little | 1985-12-24 |
| 4550212 | Catalysts | — | 1985-10-29 |
| 4532362 | Olefin oxidation catalyst | Simon G. Kukes | 1985-07-30 |
| 4507506 | Alpha-olefin conversion | — | 1985-03-26 |
| 4479009 | Amination process | — | 1984-10-23 |
| 4448892 | Olefin oxidation catalyst | Semyon Kukes | 1984-05-15 |
| 4419525 | Recovery and rejuvenation of Wacker-type catalysts | Jim J. Straw | 1983-12-06 |
| 4399307 | Amination process | — | 1983-08-16 |
| 4260845 | Alcohol dehydration employing a zinc aluminate catalyst | — | 1981-04-07 |
| 4226809 | Hydrogenation of unsaturated dinitriles using catalyst comprising reaction products of nickel compound and of a palladium compound each with an alkali metal borohydride | — | 1980-10-07 |