Issued Patents All Time
Showing 26–50 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4766232 | Production of unsaturated nitriles using catalysts containing boron, gallium or indium | Robert K. Grasselli, Arthur F. Miller | 1988-08-23 |
| 4760159 | Method for ammoxidation of paraffins and catalyst therefor | David A. Orndoff, James F. Brazdil, Linda C. Glaeser, Maria S. Friedrich | 1988-07-26 |
| 4746753 | Preparation of acrylonitrile from propylene, oxygen and ammonia in the presence of an alkali metal promoted bismuth, cerium, molybdenum, tungsten catalyst | James F. Brazdil, Robert K. Grasselli | 1988-05-24 |
| 4659689 | Method of preparation of high active phase (AMM)oxidation catalysts with improved performance and attrition resistance | Robert J. Zagata, Maria S. Friedrich, Michael J. Seely | 1987-04-21 |
| 4603207 | Conversion of a mixture of 3-methylpyridine and 3-methylpiperidine to 3-cyanopyridine | Robert DiCosimo, James D. Burrington | 1986-07-29 |
| 4532083 | Multiply promoted Sn/Sb oxide catalysts | Robert K. Grasselli, James F. Brazdil, Frances I. Ratka | 1985-07-30 |
| 4495109 | Production of unsaturated nitriles using catalysts promoted with various metals | Robert K. Grasselli, Arthur F. Miller | 1985-01-22 |
| 4424141 | Process for producing an oxide complex catalyst containing molybdenum and one of bismuth and tellurium | Robert K. Grasselli, Maria S. Friedrich | 1984-01-03 |
| 4414134 | Impregnating catalysts | Maria S. Friedrich, Robert K. Grasselli | 1983-11-08 |
| 4413155 | Ammoxidation of olefins with novel antimonate catalysts | Robert K. Grasselli, David A. Orndoff | 1983-11-01 |
| 4397771 | Oxidation catalysts | Robert K. Grasselli | 1983-08-09 |
| 4379925 | Liquid phase ammoxidation of cyclohexanone and/or cyclohexanol | Robert K. Grasselli, David R. Bridgeman | 1983-04-12 |
| 4377534 | Production of unsaturated nitriles | Robert K. Grasselli, Harley F. Hardman | 1983-03-22 |
| RE31088 | Process for the manufacture of unsaturated aldehydes and acids from the corresponding olefins | Robert K. Grasselli, Ernest C. Milberger | 1982-11-23 |
| 4339394 | Process of ammoxidation of olefins in the presence of multiply promoted Sn-Sb oxide catalysts | Robert K. Grasselli, James F. Brazdil, Frances I. Ratka | 1982-07-13 |
| 4327037 | Production of unsaturated nitriles | Robert K. Grasselli, Harley F. Hardman | 1982-04-27 |
| 4317747 | Promoted U-Sb-oxide catalysts | Robert K. Grasselli | 1982-03-02 |
| 4316855 | Multiply promoted Sn-Sb oxide catalysts | Robert K. Grasselli, James F. Brazdil, Frances I. Ratka | 1982-02-23 |
| 4309361 | Ammoxidation of olefins with novel antimonate catalysts | Robert K. Grasselli, David A. Orndoff | 1982-01-05 |
| 4293443 | Oxidation catalysts | Noel J. Bremer, Robert K. Grasselli | 1981-10-06 |
| 4290920 | Sb-containing catalysts by Sb-oxide impregnation | James F. Brazdil, Robert K. Grasselli | 1981-09-22 |
| 4271091 | Vapor phase catalytic oxidation and/or ammoxidation of cyclohexanone and/or cyclohexanol to phenol and/or aniline | Robert K. Grasselli | 1981-06-02 |
| 4246190 | Ammoxidation with tellurium catalysts | Robert K. Grasselli, Arthur F. Miller | 1981-01-20 |
| 4234461 | Oxidation catalysts | Noel J. Bremer, Robert K. Grasselli | 1980-11-18 |
| 4213917 | Esterification of aromatic aldehydes | Serge R. Dolhyj, Robert K. Grasselli | 1980-07-22 |