Chemplex, Ltd.
Records under this name other than patents Chemplex, Ltd. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,621,335 | Viscosity breaker for polyacrylamide friction reducers Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 8,003,581 | Iron control agent Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 6,060,435 | Solubilized and regenerating iron reducing additive Formerly held Term ended Term ended Aug 4, 2017 · From the USPTO record | Term ended | Term ended Aug 4, 2017 | From the USPTO record |
| US 3,941,761 | Method of polymerizing olefins Term ended Term ended no later than Mar 2, 1996 · Low confidence | Term ended | Term ended no later than Mar 2, 1996 | Low confidence |
| US 3,953,413 | Supported chromium-containing catalyst and process of polymerizing 1-olefins Formerly held Term ended Term ended no later than Apr 27, 1996 · Low confidence | Term ended | Term ended no later than Apr 27, 1996 | Low confidence |
| US 3,986,983 | Catalyst and method of polymerizing Term ended Term ended no later than Oct 19, 1996 · Low confidence | Term ended | Term ended no later than Oct 19, 1996 | Low confidence |
| US 4,016,343 | Tetravalent chromium alkoxide polymerization catalyst and method Term ended Term ended no later than Apr 5, 1997 · Low confidence | Term ended | Term ended no later than Apr 5, 1997 | Low confidence |
| US 4,020,092 | Compounds bis(tributyltin)chromate and bis(triphenyltin)chromate Term ended Term ended no later than Apr 26, 1997 · Low confidence | Term ended | Term ended no later than Apr 26, 1997 | Low confidence |
| US 4,031,298 | Polymerization catalyst and method Term ended Term ended no later than Jun 21, 1997 · Low confidence | Term ended | Term ended no later than Jun 21, 1997 | Low confidence |
| US 4,032,600 | Resin formulation for rotational molding and shaped structures Formerly held Term ended Term ended no later than Jun 28, 1997 · Low confidence | Term ended | Term ended no later than Jun 28, 1997 | Low confidence |