Issued Patents All Time
Showing 201–225 of 233 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4450303 | Process for the oxidation of secondary-alkyl substituted benzenes | — | 1984-05-22 |
| 4446308 | Polymer residue treatment | — | 1984-05-01 |
| 4440953 | Purification of N-substituted aminobenzaldehydes | — | 1984-04-03 |
| 4440951 | Process for preparation of aminobenzaldehydes and aminobenzylketones | — | 1984-04-03 |
| 4440950 | Process for preparation of aminobenzaldehydes and aminobenzylketones | — | 1984-04-03 |
| 4417089 | Hydroisomerization | — | 1983-11-22 |
| 4408037 | Polyamide from cycloaliphatic substituted nonane diamine | Stanley D. Turk | 1983-10-04 |
| 4383940 | Catalysts for hydrogenation of unsaturated dinitriles | Timothy P. Murtha | 1983-05-17 |
| 4337177 | Catalyst for hydrogenation of unsaturated dinitriles | — | 1982-06-29 |
| 4331557 | Regeneration of ruthenium-containing catalyst | — | 1982-05-25 |
| 4331562 | Catalyst for the hydrogenation of olefinically unsaturated compounds | — | 1982-05-25 |
| 4324738 | Dinitriles and their preparation | Stanley D. Turk | 1982-04-13 |
| 4322315 | Regeneration of a ruthenium containing hydrogenation catalyst | — | 1982-03-30 |
| 4311859 | Catalytic hydrogenation of unsaturated dinitriles | Timothy P. Murtha | 1982-01-19 |
| 4288626 | Process for hydrogenation of unsaturated dinitriles | — | 1981-09-08 |
| 4288625 | Dinitriles, diamines, and polyamides | Stanley D. Turk | 1981-09-08 |
| 4280699 | Game racquet | — | 1981-07-28 |
| 4275237 | Hydrogenated polynitrile mixture useful as an epoxy hardener | Ralph P. Williams | 1981-06-23 |
| 4265450 | Metal racketball rackets | Raymond Bayer | 1981-05-05 |
| 4261927 | Hydrogenation of olefinically unsaturated compounds | — | 1981-04-14 |
| 4259262 | Catalytic hydrogenation of unsaturated dinitriles | — | 1981-03-31 |
| 4255352 | Preparation of unsaturated nitriles | Stanley J. Marwil | 1981-03-10 |
| 4248799 | Hydrogenation of nitriles in ammonia and water | — | 1981-02-03 |
| 4243610 | Cobalt-gold promoter for ruthenium hydrogenation catalyst as in hydrogenation of unsaturated dinitriles | Timothy P. Murtha | 1981-01-06 |
| 4235808 | Purification of unsaturated dinitriles by contacting with chi-alumina prior to hydrogenation | — | 1980-11-25 |