Process Evaluation and Development Corporation
Records under this name other than patents Process Evaluation and Development Corporation holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
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| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 3,992,754 | Method for cleaning bagasse fiber using a U-shaped wash path Term ended Term ended no later than Nov 23, 1996 · Low confidence | Term ended | Term ended no later than Nov 23, 1996 | Low confidence |
| US 4,199,399 | Method for preparing bagasse dissolving pulps and producing rayon having a degree of polymerization of at least 800 therefrom Term ended Term ended no later than Apr 22, 2000 · Low confidence | Term ended | Term ended no later than Apr 22, 2000 | Low confidence |
| US 4,231,136 | Bagasse depithing Term ended Term ended no later than Nov 4, 2000 · Low confidence | Term ended | Term ended no later than Nov 4, 2000 | Low confidence |
| US 4,237,582 | Bagasse preparation Term ended Term ended no later than Dec 9, 2000 · Low confidence | Term ended | Term ended no later than Dec 9, 2000 | Low confidence |
| US 4,347,101 | Process for producing newsprint Term ended Term ended no later than Aug 31, 2002 · Low confidence | Term ended | Term ended no later than Aug 31, 2002 | Low confidence |
| US 4,635,322 | Fiber washer Term ended Term ended no later than Jan 13, 2007 · Low confidence | Term ended | Term ended no later than Jan 13, 2007 | Low confidence |
| US 4,641,792 | Fiber depither Term ended Term ended no later than Feb 10, 2007 · Low confidence | Term ended | Term ended no later than Feb 10, 2007 | Low confidence |
| US 4,689,117 | Thermomechanical digestion process for enhancing the brightness of cellulose pulp using bleachants Term ended Term ended no later than Aug 25, 2007 · Low confidence | Term ended | Term ended no later than Aug 25, 2007 | Low confidence |
| US 4,699,691 | Thermomechanical digestion process Term ended Term ended no later than Oct 13, 2007 · Low confidence | Term ended | Term ended no later than Oct 13, 2007 | Low confidence |
| US 4,857,145 | Process for making a pulp from bamboo Term ended Term ended no later than Aug 15, 2009 · Low confidence | Term ended | Term ended no later than Aug 15, 2009 | Low confidence |