Class D21C : PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE- CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
Subclass 1/08: Pretreatment of the finely-divided materials before digesting (of waste paper D21C 5/02) with oxygen-generating compounds
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12116729 | Common preparation of lignocellulosic feedstock and a product containing cellulose but free from lignin | May 29, 20 | Oct 15, 24 | Chemiefaser Lenzing Aktiengesellschaft |
| 10563048 | Compositions comprising parenchymal cellulose particulate material | Jun 26, 15 | Feb 18, 20 | CELLUCOMP LIMITED |
| 9938663 | Methods for producing raw materials from plant biomass | Jun 23, 17 | Apr 10, 18 | 9FIBER, INC. |
| 9856601 | Method and apparatus for adding steam for a steam explosion pretreatment process | Sep 18, 13 | Jan 02, 18 | ANDRITZ INC. |
| 9702082 | Methods for producing raw materials from plant biomass | Oct 12, 16 | Jul 11, 17 | 9FIBER, INC. |
| 9522991 | Cellulose solution manufacturing method, cellulose precipitate manufacturing method, cellulose saccharification method, cellulose solution, and cellulose precipitate | Sep 22, 11 | Dec 20, 16 | EHIME PREFECTURAL GOVERNMENT, SEKISUI CHEMICAL CO., LTD., |
| 9512560 | Short oxygen delignification method | Oct 31, 14 | Dec 06, 16 | QUANTUM TECHNOLOGIES, INC. |
| 9487914 | Decortication methods for producing raw materials from plant biomass | Aug 13, 15 | Nov 08, 16 | 9FIBER, INC. |
| 9458569 | Wet oxidation of biomass | Jan 16, 14 | Oct 04, 16 | CLEAN-VANTAGE LLC |
| 9322038 | Simultaneous saccharification and fermentation(SSF) of lignocellulosic biomass for single cell oil production by oleaginous microorganisms | Jul 06, 12 | Apr 26, 16 | WASHINGTON STATE UNIVERSITY |
| 8747612 | Process for the production of microfibrillated cellulose in an extruder and microfibrillated cellulose produced according to the process | Oct 26, 10 | Jun 10, 14 | STORA ENSO OYJ |
| 5639348 | Bleaching compositions comprising sulfamates and borates or gluconates and processes | Jan 30, 95 | Jun 17, 97 | Kemira Chemicals, Inc. |
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