Class D21B : FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
Subclass 1/30: 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 Defibrating by other means
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12215459 | Separation of fibers | Dec 18, 19 | Feb 04, 25 | CIRCULOSE AB |
| 12163282 | Powder-assembled composite micro-nano fiber and preparation method thereof | Aug 17, 22 | Dec 10, 24 | ZHEJIANG A & F UNIVERSITY |
| 12123143 | Process for producing a nanocelullosic material comprising at least two stages of defibrillation of cellulosic feedstock and at least one intermediate fractioning stage | Jul 17, 19 | Oct 22, 24 | Suzano S.A. |
| 12098504 | Methods and devices for processing lignocellulosic biomass using mechanical pretreatment to enhance feedstock hydration properties | Nov 02, 17 | Sep 24, 24 | TAB HOLDING APS |
| 11970817 | Paper filler composition | May 27, 22 | Apr 30, 24 | FIBERLEAN TECHNOLOGIES LIMITED |
| 11732411 | Paper filler composition | Oct 01, 21 | Aug 22, 23 | FiberLean Technologies Limited |
| 11572659 | Compositions comprising microfibrillated cellulose and polymers and methods of manufacturing fibres and nonwoven materials therefrom | Aug 31, 20 | Feb 07, 23 | FiberLean Technologies Limited |
| 11377791 | Paper filler composition | Aug 30, 18 | Jul 05, 22 | FiberLean Technologies Limited |
| 11162219 | Paper filler composition | Aug 30, 18 | Nov 02, 21 | FiberLean Technologies Limited |
| 11162218 | Biomass pulp digester | Apr 09, 21 | Nov 02, 21 | Not available |
| 11090620 | Device for counter collision treatment including nozzle adjustment means | May 12, 17 | Aug 17, 21 | CHUETSU-PULP AND PAPER CO., LTD. |
| 10975242 | Process for the production of nano-fibrillar cellulose gels | Apr 11, 19 | Apr 13, 21 | FiberLean Technologies Limited |
| 10822743 | Process for producing a nanofibrillar cellulose hydrogel | Jun 02, 16 | Nov 03, 20 | UPM Kymmene Corporation |
| 10794006 | Compositions comprising microfibrilated cellulose and polymers and methods of manufacturing fibres and nonwoven materials therefrom | Apr 21, 17 | Oct 06, 20 | FiberLean Technologies Limited |
| 10294371 | Process for the production of nano-fibrillar cellulose gels | Sep 02, 14 | May 21, 19 | FiberLean Technologies Limited |
| 10100464 | Paper filler composition | Sep 02, 15 | Oct 16, 18 | FiberLean Technologies Limited |
| 10051802 | Apparatus and method for isolating bast bark and wood body from a bast plant stem | Aug 14, 14 | Aug 21, 18 | BAST & FASER GMBH |
| 9493912 | Method for producing lignin degradation product | Dec 04, 12 | Nov 15, 16 | KAO CORPORATION |
| 9127405 | Paper filler composition | May 17, 10 | Sep 08, 15 | FIBERLEAN TECHNOLOGIES LIMITED |
| 9017514 | Method to produce high-resistance cellulose and hemicellulose fibers from lignocellulosic biomass of sugarcane leaves and buds | Jul 04, 12 | Apr 28, 15 | UNIVERSIDAD DEL VALLE |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0392,500 | METHODS AND DEVICES FOR PROCESSING LIGNOCELLULOSIC BIOMASS USING MECHANICAL PRETREATMENT TO ENHANCE FEEDSTOCK HYDRATION PROPERTIES | Aug 02, 24 | Nov 28, 24 | Not available |
| 2024/0278,965 | EASY-PRINT PACKAGING SHEET AND MANUFACTURING METHOD THEREFOR | Apr 30, 24 | Aug 22, 24 | JIANGSU QINGYUN NEW MATERIAL CO., LTD. |
| 2024/0240,400 | PAPER FILLER COMPOSITION | Mar 28, 24 | Jul 18, 24 | FiberLean Technologies Limited |
| 2023/0103,392 | COMPOSITIONS COMPRISING MICROFIBRILATED CELLULOSE AND POLYMERS AND METHODS OF MANUFACTURING FIBRES AND NONWOVEN MATERIALS THEREFROM | Nov 18, 22 | Apr 06, 23 | FiberLean Technologies Limited |
| 2022/0162,798 | SYSTEM AND PROCESS FOR REFINING LIGNOCELLULOSIC BIOMASS MATERIAL | Feb 12, 20 | May 26, 22 | Valmet AB |
| 2019/0078,257 | PAPER FILLER COMPOSITION | Aug 30, 18 | Mar 14, 19 | FiberLean Technologies Limited |
| 2018/0179,703 | PROCESS FOR PRODUCING A NANOFIBRILLAR CELLULOSE HYDROGEL | Jun 02, 16 | Jun 28, 18 | Not available |
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