Ake Backlund
19Patents
7h-index
18Co-inventors
59Inventor score
Filing activity: Jul 20, 1981 → Jul 21, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4419184A | Method for control of chemicals during gas treatment of suspensions | Physics | 36 | Expired |
| US5415734A | Process for bleaching pulp without using chlorine containing chemicals | Textiles; Paper | 35 | Expired |
| US5080755A | Process for the continuous digestion of cellulosic fiber material | Textiles; Paper | 30 | Expired |
| US5217575A | Process for oxygen bleaching using two vertical reactors | Textiles; Paper | 14 | Expired |
| US5192396A | Process for the continuous digestion of cellulosic fiber material | Textiles; Paper | 13 | Expired |
| US4922989A | Treatment of mechanical pulp to remove resin | Textiles; Paper | 11 | Expired |
| US4596631A | Method of removing latency from medium consistency pulps by pumping the pulp | Textiles; Paper | 8 | Expired |
| US4968385A | Method of preparing a plup using a fluidizing centrifugal pump during impregnation | Textiles; Paper | 7 | Expired |
| US5766413A | Process for isothermal cooking pulp in a continuous digester | Textiles; Paper | 4 | Expired |
| US5746886A | Method for the recovery of energy and chemicals from cellulose spent liquor containing potassium using a gasifier | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5919337A | Method of continuously isothermally cooking of pulp | Textiles; Paper | 4 | Expired |
| US5470437A | Digester for cooking pulp having staggered screens | Textiles; Paper | 3 | Expired |
| US5529661A | Process for controlling the flow of cellulosic fiber material through an impregnation vessel | Textiles; Paper | 2 | Expired |
| US5827401A | Screen system for a continuous digester | Textiles; Paper | 2 | Expired |
| US5591303A | Process for operating a digester | Textiles; Paper | 1 | Expired |
| US6113742A | Digester having screening arrangement for isothermal cooking of fibrous material | Textiles; Paper | 1 | Expired |
| US6336994B1 | Totally chlorine free bleaching process using recovered filtrate | Textiles; Paper | 1 | Expired |
| US5567280A | Digester for cooking pulp having staggered circular screens for isothermal cooking | Textiles; Paper | 1 | Expired |
| US5628872A | Method for bleaching pulp with hydrogen peroxide recovered from cellulosic spent liquor | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.