Issued Patents All Time
Showing 426–450 of 537 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5104837 | Catalyst and polymerization of olefins | Gil R. Hawley | 1992-04-14 |
| 5104839 | Method for producing olefin polymer blends utilizing a chromium-zirconium dual catalyst system | Paul D. Smith | 1992-04-14 |
| 5087789 | Olefin oligomerization | M. Bruce Welch, Marvin M. Johnson | 1992-02-11 |
| 5075394 | Olefin polymerization using supported pentadienyl derivative-transition metal complexes | Paul D. Smith | 1991-12-24 |
| 5071927 | High-temperature slurry polymerization of ethylene | Elizabeth A. Benham, Robert R. McElvain, Roy O. Schneider | 1991-12-10 |
| 5064795 | Polymerization of olefins | — | 1991-11-12 |
| 5043514 | Ethylene dimerization and polymerization | Douglas D. Klendworth, Paul D. Smith | 1991-08-27 |
| 5037911 | Polymerization with surface silicated and fluorided alumina supported chromium | Paul D. Smith, Donald D. Norwood | 1991-08-06 |
| 5032651 | Method for producing olefin polymer blends utilizing a chromium-zirconium dual catalyst system | Paul D. Smith | 1991-07-16 |
| 5026796 | Peptized and phosphated inorganic oxides, catalysts, and polymerization processes | Emory W. Pitzer, Floyd E. Farha, Jr. | 1991-06-25 |
| 5024982 | Silica-containing olefin polymerization catalysts and process | Gil Hawley | 1991-06-18 |
| 5021379 | Olefin polymerization | Shirley J. Martin, Brian K. Conroy, Joel L. Martin | 1991-06-04 |
| 5010152 | Polymerization process utilizing chromium on an acid agglomerated refractory gel | Emory W. Pitzer | 1991-04-23 |
| 5001204 | Alumina phosphated with partial ester | Douglas D. Klendworth | 1991-03-19 |
| 4988657 | Process for olefin polymerization | Shirley J. Martin, Elizabeth A. Benham, Bruce W. Gerhold | 1991-01-29 |
| 4981831 | Twice-aged porous inorganic oxides, catalysts, and polymerization processes | Ronald D. Knudsen, Elizabeth A. Boggs, F. Wallace Bailey | 1991-01-01 |
| 4966951 | High strength linear, low density polyethylene polymerization process | Elizabeth A. Benham, Fay W. Bailey | 1990-10-30 |
| 4960748 | Alumina phosphated with partial ester | Douglas D. Klendworth | 1990-10-02 |
| 4937300 | Catalyst and polymerization of olefins | — | 1990-06-26 |
| 4918040 | Polymerization of olefins | — | 1990-04-17 |
| 4900704 | Peptized and phosphated inorganic oxides and catalysts supported on said oxides | Emory W. Pitzer, Floyd E. Farha, Jr. | 1990-02-13 |
| 4877763 | Supported chromium oxide/boron catalyst | James N. Short | 1989-10-31 |
| 4855271 | Catalyst and polymerization of olefins | Shirley J. Martin | 1989-08-08 |
| 4843133 | Polymerization and catalysts | James N. Short | 1989-06-27 |
| 4820785 | In situ comonomer generation in olefin polymerization | Douglas D. Klendworth, Donald D. Norwood, Eric T. Hsieh, Elizabeth A. Boggs | 1989-04-11 |