Class D21B : FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
Subclass 1/02: Fibrous raw materials or their mechanical treatment (beaters D21D 1/00) Pretreatment of the raw materials by physical or chemical means (removal of bark B27L)
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12264437 | Fiber body manufacturing apparatus and defibrating device | Jan 05, 23 | Apr 01, 25 | SEIKO EPSON CORPORATION |
| 12241202 | Process of transforming waste material into useful material | Mar 11, 24 | Mar 04, 25 | Bouldin Corporation |
| 12215459 | Separation of fibers | Dec 18, 19 | Feb 04, 25 | CIRCULOSE AB |
| 12214391 | Absorptive article quick decomposition system and operating method thereof | Sep 17, 22 | Feb 04, 25 | YI CHUN GREEN TECHNOLOGY CO., LTD. |
| 12188180 | Purified medicinal cannabis non-hemp hurd fiber, and articles containing the same | Jan 26, 21 | Jan 07, 25 | Not available |
| 12168251 | Liquid-absorbing raw materials processing system and operating method thereof | Sep 17, 22 | Dec 17, 24 | YI CHUN GREEN TECHNOLOGY CO., LTD. |
| 12162052 | Fiber raw materials processing system and operating method thereof | Sep 17, 22 | Dec 10, 24 | YI CHUN GREEN TECHNOLOGY CO., LTD. |
| 12157973 | Apparatus and method for processing a suspension comprising organic material and liquid | Apr 13, 21 | Dec 03, 24 | CELLWOOD MACHINERY |
| 12123142 | Preparation method of tea residue fiber raw materials and application thereof | Apr 24, 23 | Oct 22, 24 | Not available |
| 12071725 | Juncao pulp for spinning and preparation method and use thereof | Mar 20, 23 | Aug 27, 24 | XINXIANG CHEMICAL FIBRE CO., LTD. |
| 11931781 | Method and system for treating municipal solid waste | Jan 26, 23 | Mar 19, 24 | GLOBAL ORGANICS ENERGY |
| 11898308 | Process to recover a portion of post-recycling municipal solid waste | Aug 05, 20 | Feb 13, 24 | ANAERGIA INC. |
| 11846067 | Modified sulfuric acid and uses thereof | Feb 26, 21 | Dec 19, 23 | SixRing Inc. |
| 11834787 | Process for producing strong and soft tissue and towel products | May 20, 21 | Dec 05, 23 | The Procter & Gamble Company |
| 11767403 | Method for controlling thermoplasticity and toughness of redox-modified plant fiber and use thereof | Dec 20, 19 | Sep 26, 23 | SOUTH CHINA UNIVERSITY OF TECHNOLOGY |
| 11746468 | Defibrating method, fiber body forming method, and defibrating machine | Nov 23, 20 | Sep 05, 23 | SEIKO EPSON CORPORATION |
| 11739197 | Cellulose processing | May 05, 20 | Aug 29, 23 | Coöperatie Koninklijke Cosun U.A.; Nouryon Chemicals International B.V.; |
| 11725338 | Method for producing bleached wood fibre material | May 04, 21 | Aug 15, 23 | BASF SE |
| 11724414 | Defibrated material manufacturing device | Jul 30, 18 | Aug 15, 23 | SEIKO EPSON CORPORATION |
| 11691903 | Anaerobic digestion system | Jun 25, 21 | Jul 04, 23 | Not available |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0073,655 | STIRRING DEVICE, FIBER STRUCTURE MANUFACTURING APPARATUS, AND METHOD OF PRODUCING FIBER STRUCTURE | Aug 29, 24 | Mar 06, 25 | Not available |
| 2025/0043,512 | HIGHLY REFINED PULP FROM FIBERS OBTAINED FROM USED BEVERAGE CARTONS | Oct 25, 22 | Feb 06, 25 | Stora Enso Oyj |
| 2025/0027,270 | A method, uses of the same, a pulp composition, and a system | Aug 17, 22 | Jan 23, 25 | Not available |
| 2025/0011,584 | NANOCELLULOSE-POLYMER COMPOSITES, AND PROCESSES FOR PRODUCING THEM | May 20, 24 | Jan 09, 25 | Not available |
| 2025/0003,150 | SYSTEM AND METHOD FOR ISOLATING LIGAN AND SYNTHESIZING NANOCELLULOSE FROM LIGNOCELLULLOSIC MATERIALS | Sep 08, 22 | Jan 02, 25 | ALLIANCE BIOENERGY PLUS, INC., DBA BLUE BIOFUELS |
| 2024/0410,109 | A METHOD FOR CHEMICAL PULP PRODUCTION IN A MULTI-STAGE PROCESS | Oct 06, 22 | Dec 12, 24 | ANDRITZ AB |
| 2024/0368,353 | LIGNIN REMOVAL FROM LIGNOCELLULOSIC WASTE USING REJECTED BRINE SOLUTION | May 04, 23 | Nov 07, 24 | Not available |
| 2024/0295,074 | METHODS FOR PRODUCING PULP AND PAPER PRODUCTS FROM PLANTS HAVING BAST AND HURD FIBERS | Dec 30, 21 | Sep 05, 24 | Not available |
| 2024/0263,393 | PROCESS OF USING NON-WOOD FIBERS TO CREATE PAPER PULP | Jan 12, 24 | Aug 08, 24 | Not available |
| 2024/0238,853 | METHOD AND SYSTEM FOR TREATING MUNICIPAL SOLID WASTE | Feb 20, 24 | Jul 18, 24 | GLOBAL ORGANICS ENERGY |
| 2024/0150,959 | HYGROMORPHIC COMPOSITE MATERIAL | Mar 16, 22 | May 09, 24 | Not available |
| 2024/0141,568 | METHOD FOR PRODUCING AIR-LAID PRODUCTS | Jan 08, 24 | May 02, 24 | Voith Patent GmbH |
| 2024/0141,587 | PROCESSES, METHODS, AND SYSTEMS FOR CHEMO-MECHANICAL CELLULAR EXPLOSION AND SOLID AND LIQUID PRODUCTS MADE BY THE SAME | Jan 10, 24 | May 02, 24 | Not available |
| 2024/0102,238 | PROCESS FOR PRODUCING AND USING FIBRILLATED BIODEGRADABLE MICROFIBERS | Sep 22, 23 | Mar 28, 24 | Not available |
| 2024/0084,507 | PULP FOR JUNCAO SPINNING AND PREPARATION METHOD AND USE THEREOF | Mar 20, 23 | Mar 14, 24 | Not available |
| 2024/0060,237 | PROCESS FOR PRODUCING STRONG AND SOFT TISSUE AND TOWEL PRODUCTS | Oct 26, 23 | Feb 22, 24 | Not available |
| 2024/0018,696 | METHOD FOR PROCESSING FIBROUS MATTER FROM WASTE MATERIAL | Nov 09, 21 | Jan 18, 24 | Not available |
| 2024/0011,224 | PULP MOLD COMPRISING SEAWEED, AND PRODUCTION METHOD FOR SAME | Dec 02, 21 | Jan 11, 24 | MARINE INNOVATION, INC. |
| 2023/0265,609 | HIGH YIELD CHEMICAL PULPING AND BLEACHING PROCESS | Jan 18, 23 | Aug 24, 23 | Not available |
| 2023/0220,619 | SEPARATION DEVICE AND SHEET MANUFACTURING APPARATUS | Jan 05, 23 | Jul 13, 23 | Not available |
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