| 2025/0052,002 | OPTIMIZATION OF CHEMICAL CONSUMPTION IN BIOMASS DELIGNIFICATION | Feb 09, 24 | Feb 13, 25 | Not available |
| 2019/0218,712 | METHOD FOR GENERATION OF CLEAN STEAM IN A CONTINOUS DIGESTER SYSTEM | May 16, 17 | Jul 18, 19 | Valmet AB |
| 2017/0268,168 | Method for Continuously Cooking Grass Raw Materials and Device | Feb 28, 17 | Sep 21, 17 | Shandong Tralin Paper Co., Ltd. |
| 2017/0107,665 | A CONTINUOUS PROCESS FOR PRODUCTION OF CELLULOSE PULP FROM GRASS-LIKE PLANT FEEDSTOCK | Mar 31, 14 | Apr 20, 17 | Not available |
| 2017/0022,664 | METHOD OF DIGESTING CELLULOSE FIBROUS MATERIAL IN A CONTINUOUS DIGESTER | Apr 02, 15 | Jan 26, 17 | STORA ENSO OYJ |
| 2016/0002,849 | Softwood Kraft Fiber Having an Improved A-Cellulose Content and its Use in the Production of Chemical Cellulose Products | Feb 06, 14 | Jan 07, 16 | GP Cellulose GmbH |
| 2014/0224,441 | FEEDING SYSTEM HAVING PUMPS IN PARALLEL FOR A CONTINUOUS DIGESTER | Feb 13, 14 | Aug 14, 14 | VALMET AB |
| 2014/0138,039 | FEEDING SYSTEM COMPRISING PUMPS IN PARALLEL FOR A CONTINUOUS DIGESTER | Dec 03, 13 | May 22, 14 | VALMET AB |
| 2014/0102,648 | METHOD AND ARRANGEMENT FOR TREATING CHEMICAL PULP | Mar 21, 12 | Apr 17, 14 | ANDRITZ OY |
| 2014/0069,598 | METHOD AND ARRANGEMENT FOR ADDING TREATMENT LIQUORS TO CELLULOSE MATERIAL IN A DOWN FLOW VESSEL | Mar 25, 11 | Mar 13, 14 | VALMET AB |
| 2012/0261,084 | SYSTEM AND METHOD FOR THE PUMPED FEED OF CHIPS TO A CONTINUOUS DIGESTER | Nov 04, 10 | Oct 18, 12 | VALMET AB |
| 2012/0216,971 | METHOD AND ARRANGEMENT FOR ADDING TREATMENT LIQUORS TO CELLULOSE RAW MATERIAL IN A CONTINUOUS PROCESS USING DOWN FLOW VESSELS | Aug 19, 09 | Aug 30, 12 | VALMET AB |
| 2012/0067,533 | COOKING PROCESS OF LIGNOCELLULOSE MATERIAL | May 18, 10 | Mar 22, 12 | NIPPON PAPER INDUSTRIES CO., LTD., PERMELEC ELECTRODE LTD., SURGICAL INNOVATIONS V.O.F., |
| 2012/0048,492 | SYSTEM AND A METHOD FOR OPTIMIZATION OF CONTINUOUS DIGESTION PROCESS | Aug 15, 11 | Mar 01, 12 | ABB RESEARCH LTD. |
| 2011/0203,755 | METHOD FOR PREVENTING CLOGGING IN A STRAINER CONSTRUCTION FOR A CONTINUOUS DIGESTER | Oct 12, 09 | Aug 25, 11 | METSO PAPER SWEDEN AB |
| 2011/0186,250 | Continuous Digestion of Chip Blends Containing a Western Red Cedar Chip Furnish | Jan 19, 11 | Aug 04, 11 | Canfor Pulp and Paper Sales Ltd. |
| 2008/0277,081 | Method and Arrangement For Impregnation of Chips | Jun 21, 05 | Nov 13, 08 | METSO PAPER SWEDEN AB |
| 2008/0210,391 | METHOD FOR LOADING FIBERS CONTAINED IN A PULP SUSPENSION | Jan 07, 08 | Sep 04, 08 | VOITH PATENT GMBH |
| 2008/0210,392 | METHOD FOR PRODUCING CELLULOSE PULP IN A CONTINUOUS DIGESTER IN AN ENERGY-EFFICIENT MANNER | Dec 10, 07 | Sep 04, 08 | METSO FIBER KARLSTAD AB |
| 2008/0142,176 | Process of treating a lignocellulosic material | Dec 18, 06 | Jun 19, 08 | INTERNATIONAL PAPER COMPANY, UNIVERSITY OF MAINE SYSTEM BOARD OF TRUSTEES, |