Edwin Cooper, Inc.
Records under this name other than patents Edwin Cooper, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 3,954,808 | Methylene bis-phenol alkanoic acid compounds Term ended Term ended no later than May 4, 1996 · Low confidence | Term ended | Term ended no later than May 4, 1996 | Low confidence |
| US 3,966,807 | Lubricant additives, their preparation and compositions containing them Term ended Term ended no later than Jun 29, 1996 · Low confidence | Term ended | Term ended no later than Jun 29, 1996 | Low confidence |
| US 3,975,465 | Heterocyclic phosphorus compounds Term ended Term ended no later than Aug 17, 1996 · Low confidence | Term ended | Term ended no later than Aug 17, 1996 | Low confidence |
| US 4,002,568 | Lubricating oil compositions Term ended Term ended no later than Jan 11, 1997 · Low confidence | Term ended | Term ended no later than Jan 11, 1997 | Low confidence |
| US 4,012,331 | Sulphur compounds Term ended Term ended no later than Mar 15, 1997 · Low confidence | Term ended | Term ended no later than Mar 15, 1997 | Low confidence |
| US 4,019,991 | Sulphur containing lubricating oil additives 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 4,028,117 | Corrosion inhibitors Term ended Term ended no later than Jun 7, 1997 · Low confidence | Term ended | Term ended no later than Jun 7, 1997 | Low confidence |
| US 4,046,802 | Process for making a high molecular weight alkylphenoxy substituted aliphatic carboxylic ester Term ended Term ended no later than Sep 6, 1997 · Low confidence | Term ended | Term ended no later than Sep 6, 1997 | Low confidence |
| US 4,051,049 | Lubricating oil containing alkanoic amide or ester-bridged hydrocarbyl substituted phenols Term ended Term ended no later than Sep 27, 1997 · Low confidence | Term ended | Term ended no later than Sep 27, 1997 | Low confidence |
| US 4,070,370 | Polyester lubricant additives, their preparation and compositions containing them Term ended Term ended no later than Jan 24, 1998 · Low confidence | Term ended | Term ended no later than Jan 24, 1998 | Low confidence |