Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5204079 | HCN by catalytic ammoxidation of crude acetonitrile | Dev D. Suresh, Mark C. Cesa, Robert K. Grasselli, Mark R. Bruce, Michael J. Seely +2 more | 1993-04-20 |
| 4866765 | Toy type children telephone set | — | 1989-09-12 |
| 4767374 | Synchronized drive device for the mouth of a doll | — | 1988-08-30 |
| 4755161 | Toy with predetermined controlled steering | — | 1988-07-05 |
| 4569925 | Process for preparing a vanadium phosphorus oxygen catalyst composition by an organic solution method | Krishna K. Rao, I-Der Huang | 1986-02-11 |
| 4517371 | Process for the synthesis of carboxylic anhydrides using a vanadium, phosphorus oxygen containing catalyst composition | Krishna K. Rao, I-Der Huang | 1985-05-14 |
| 4497958 | Process for oxidizing a carboxylic anhydride with heterogeneously prepared vanadium-phosphorus-oxygen containing catalyst composition | Krishna K. Rao, I-Der Huang | 1985-02-05 |
| 4435521 | Heterogeneous process for preparing vanadium phosphorus oxygen containing catalyst composition | Krishna K. Rao, I-Der Huang | 1984-03-06 |
| 4392986 | Catalyst for carboxylic anhydride production | Krishna K. Rao, I-Der Huang | 1983-07-12 |