Sohio
Records under this name other than patents Sohio holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,339,502 | Tie-layer for coextruded acrylonitrile copolymers Term ended Term ended no later than Jul 13, 2002 · Low confidence | Term ended | Term ended no later than Jul 13, 2002 | Low confidence |
| US 4,339,598 | Preparation of unsaturated acids and esters from saturated carboxylic acid derivatives and carbonyl compounds over catalysts containing V and Sb Term ended Term ended no later than Jul 13, 2002 · Low confidence | Term ended | Term ended no later than Jul 13, 2002 | Low confidence |
| US 4,349,462 | Catalytic material Term ended Term ended no later than Sep 14, 2002 · Low confidence | Term ended | Term ended no later than Sep 14, 2002 | Low confidence |
| US 4,349,652 | High nitrile resins containing maleic anhydride Term ended Term ended no later than Sep 14, 2002 · Low confidence | Term ended | Term ended no later than Sep 14, 2002 | Low confidence |
| US 4,351,756 | Rubber-modified high nitrile copolymers with improved impact resistance Term ended Term ended no later than Sep 28, 2002 · Low confidence | Term ended | Term ended no later than Sep 28, 2002 | Low confidence |
| US 4,355,127 | Physical property improvement in nitrile resins by use of certain processing aids and fillers Term ended Term ended no later than Oct 19, 2002 · Low confidence | Term ended | Term ended no later than Oct 19, 2002 | Low confidence |
| US 4,359,506 | Tie layer for co-extruded acrylonitrile copolymers Term ended Term ended no later than Nov 16, 2002 · Low confidence | Term ended | Term ended no later than Nov 16, 2002 | Low confidence |
| US 4,422,303 | Process for cooling a continuously moving material to a predetermined temperature Term ended Term ended no later than Dec 27, 2003 · Low confidence | Term ended | Term ended no later than Dec 27, 2003 | Low confidence |
| US 4,486,397 | Group IIIB metallophosphates Term ended Term ended no later than Dec 4, 2004 · Low confidence | Term ended | Term ended no later than Dec 4, 2004 | Low confidence |
| US 4,552,921 | Method of forming a nonaqueous stable emulsion of rubber in polymerizable monomer, and the polymerization process and thermoplastic copolymer produced thereby Term ended Term ended no later than Nov 12, 2005 · Low confidence | Term ended | Term ended no later than Nov 12, 2005 | Low confidence |