Class D21B : FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
Subclass 1/14: Fibrous raw materials or their mechanical treatment (beaters D21D 1/00) by dividing raw materials into small particles, e.g. fibres (breaking-up or cutting wood or the like by dry methods B27L; disintegrating peat C10F 7/02; obtaining fibres mechanically for spinning from rags, peat, or the like D01B) by wet methods, by the use of steam Disintegrating in mills (in general B02C)
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12091818 | Processes for producing nanocellulose, and nanocellulose compositions produced therefrom | Mar 23, 21 | Sep 17, 24 | GranBio Intellectual Property Holdings, LLC |
| 11725338 | Method for producing bleached wood fibre material | May 04, 21 | Aug 15, 23 | BASF SE |
| 11674265 | Center ring provided with wings | Feb 03, 21 | Jun 13, 23 | Valmet AB |
| 11535983 | Method for producing a fibrous material | May 18, 17 | Dec 27, 22 | Andritz AG |
| 11305254 | Process and system for producing pulp, energy, and bioderivatives from plant-based and recycled materials | Feb 27, 20 | Apr 19, 22 | Circ, LLC |
| 11274396 | Method for producing nanofibrillar cellulose and nanofibrillar cellulose product | May 13, 20 | Mar 15, 22 | UPM Kymmene Corporation |
| 11193239 | Method for preparing nanocellulose | Oct 04, 18 | Dec 07, 21 | LG Electronics Inc. |
| 11118106 | Rheology control of nanocellulose treatment fluids | Dec 20, 17 | Sep 14, 21 | Halliburton Energy Services, Inc. |
| 11015290 | Method for producing bleached wood fibre material | Mar 13, 15 | May 25, 21 | BASF SE |
| 10982388 | Method and arrangement for generating process steam | Apr 19, 17 | Apr 20, 21 | Andritz Oy |
| 10888868 | Feeding center plate in a pulp or fiber refiner | Oct 05, 16 | Jan 12, 21 | Valmet AB |
| 10697116 | Method for producing nanofibrillar cellulose and nanofibrillar cellulose product | Mar 27, 15 | Jun 30, 20 | UPM Kymmene Corporation |
| 10603651 | Process and system for producing pulp, energy, and bioderivatives from plant-based and recycled materials | May 03, 19 | Mar 31, 20 | Tyton Biosciences, LLC |
| 10322395 | Process and system for producing pulp, energy, and bioderivatives from plant-based and recycled materials | Nov 27, 17 | Jun 18, 19 | Tyton Biosciences, LLC |
| 9127401 | Wood pulp treatment | Jan 31, 13 | Sep 08, 15 | UNIVERSITY OF NEW BRUNSWICK |
| 8734611 | Medium consistency refining method of pulp and system | Feb 19, 09 | May 27, 14 | ANDRITZ INC. |
| 8721841 | Pulper treating fiber mass | May 19, 10 | May 13, 14 | Tampulping Oy |
| 8673113 | Process for reducing specific energy demand during refining of thermomechanical and chemi-thermomechanical pulp | Jun 09, 10 | Mar 18, 14 | THE UNIVERSITY OF BRITISH COLUMBIA |
| 8449720 | Method of making paper | Jun 17, 10 | May 28, 13 | STORA ENSO OYJ |
| 8316543 | Method for reconditioning a used grinding roller | Dec 19, 07 | Nov 27, 12 | THYSSENKRUPP POLYSIUS AKTIENGESELLSCHAFT |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0247,141 | Upcycling Post-Consumed Single Used Paper Cups to Loose Fibre Insulation and Paper-Plastic Composite Material | Jun 09, 23 | Jul 25, 24 | Not available |
| 2024/0229,355 | REFINER DISC | Apr 05, 22 | Jul 11, 24 | Valmet AB |
| 2024/0226,841 | Process and System for Producing Pulp, Energy, and Bioderivatives from Plant-Based and Recycled Materials | Jun 13, 16 | Jul 11, 24 | Not available |
| 2024/0131,489 | Process and System for Producing Pulp, Energy, and Bioderivatives from Plant-Based and Recycled Materials | Jun 12, 16 | Apr 25, 24 | Not available |
| 2024/0011,224 | PULP MOLD COMPRISING SEAWEED, AND PRODUCTION METHOD FOR SAME | Dec 02, 21 | Jan 11, 24 | MARINE INNOVATION, INC. |
| 2021/0025,112 | COMPOSITIONS AND METHODS FOR PRODUCING MICROFIBRILLATED CELLULOSE WITH INCREASED TENSILE PROPERTIES | Jul 14, 20 | Jan 28, 21 | FiberLean Technologies Limited |
| 2019/0309,471 | DEFIBRATOR WITH SEPARATED BLOW VALVE | Jun 01, 17 | Oct 10, 19 | Valmet AB |
| 2017/0211,230 | METHOD FOR PRODUCING NANOFIBRILLAR CELLULOSE AND NANOFIBRILLAR CELLULOSE PRODUCT | Mar 27, 15 | Jul 27, 17 | UPM-KYMMENE CORPORATION |
| 2015/0299,954 | Nano-sized Bagasse Fiber | Jun 30, 15 | Oct 22, 15 | BOARD OF SUPERVISORS OF LOUISIANA STATE UNIVERSITY AND AGRICULTURAL AND MECHANICAL COLLEGE |
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