Class D21B : FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
Subclass 1/32: 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 of waste paper
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12209339 | Method of producing inorganic fiber mat and inorganic fiber mat | Dec 06, 23 | Jan 28, 25 | Ibiden Co. Ltd. |
| 12139851 | Fiber body manufacturing method and fiber body manufacturing apparatus | Mar 29, 21 | Nov 12, 24 | SEIKO EPSON CORPORATION |
| 12139852 | Wet pulp material processing machine | Feb 14, 20 | Nov 12, 24 | TAIZEN CO., LTD. |
| 11970817 | Paper filler composition | May 27, 22 | Apr 30, 24 | FIBERLEAN TECHNOLOGIES LIMITED |
| 11898308 | Process to recover a portion of post-recycling municipal solid waste | Aug 05, 20 | Feb 13, 24 | ANAERGIA INC. |
| 11859347 | Method for predicting or controlling microbial status of a paper or board making process | Dec 07, 18 | Jan 02, 24 | Kemira Oyj |
| 11851817 | Defibrating apparatus and fiber body manufacturing apparatus | Jul 26, 22 | Dec 26, 23 | SEIKO EPSON CORPORATION |
| 11795614 | Apparatus and method for dispersing or refining of organic material, such as cellulose fiber and organic waste | Jun 15, 20 | Oct 24, 23 | Cellwood Machinery AB |
| 11732411 | Paper filler composition | Oct 01, 21 | Aug 22, 23 | FiberLean Technologies Limited |
| 11629459 | Method for treating aqueous feed by dissolved gas flotation | Dec 14, 18 | Apr 18, 23 | Kemira Oyj |
| 11566372 | Method for defibrating fiber body, defibrating device, sheet manufacturing method, and sheet manufacturing apparatus | Dec 02, 19 | Jan 31, 23 | SEIKO EPSON CORPORATION |
| 11560672 | Methods for deinking UV prints | Feb 21, 19 | Jan 24, 23 | Nippon Paper Industries Co Ltd. |
| 11441264 | Method of obtaining rayon fibers | Feb 13, 22 | Sep 13, 22 | King Abdulaziz University |
| 11371184 | Method for recycling baled waste material | Sep 22, 15 | Jun 28, 22 | JUNO LLC |
| 11319670 | Method for manufacturing recycled pulp from used sanitary products | Feb 10, 20 | May 03, 22 | Unicharm Corporation |
| 11230811 | Recycle bale comprising cellulose ester | Jul 26, 19 | Jan 25, 22 | Eastman Chemical Company |
| 11208762 | Method for separating fibers | Dec 15, 17 | Dec 28, 21 | REPULPING TECHNOLOGY GMBH & CO. KG |
| 11174101 | Method for the destruction of data carriers, collection vehicle and use of a pulper | Feb 06, 14 | Nov 16, 21 | RHENUS DATA OFFICE AG |
| 11123746 | Shredder and sheet manufacturing apparatus | Jul 25, 19 | Sep 21, 21 | SEIKO EPSON CORPORATION |
| 11098447 | Method for manufacturing recycled pulp from used sanitary products | Mar 13, 20 | Aug 24, 21 | Unicharm Corporation |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0109,536 | INORGANIC FIBER MAT | Dec 13, 24 | Apr 03, 25 | IBIDEN CO., LTD. |
| 2024/0376,674 | BINDER COMPOSITION AND METHOD COMPRISING MICROFIBRILLATED CELLULOSE AND RECYCLED CELLULOSIC MATERIALS | Jul 22, 24 | Nov 14, 24 | FiberLean Technologies Limited |
| 2024/0240,400 | PAPER FILLER COMPOSITION | Mar 28, 24 | Jul 18, 24 | FiberLean Technologies Limited |
| 2024/0191,430 | METHOD OF MAKING FIRE RETARDANT MATERIALS AND RELATED PRODUCTS | Jul 18, 23 | Jun 13, 24 | ClLEANFIBER INC.. |
| 2024/0173,683 | PAPER STOCK MODIFICATION DEVICE | Apr 20, 21 | May 30, 24 | Not available |
| 2024/0175,203 | MATERIAL STORAGE APPARATUS, METHOD OF CONTROLLING MATERIAL STORAGE APPARATUS, AND SHEET MANUFACTURING APPARATUS | Nov 27, 23 | May 30, 24 | Not available |
| 2024/0003,083 | METHOD AND DEVICE FOR SEPARATING PRINTING INK AND FIBER BY DRY-PROCESS MAGNETIC FORCE DIFFERENCE COUPLED VIBRATION | Sep 29, 21 | Jan 04, 24 | Not available |
| 2022/0243,394 | METHOD FOR RECOVERING FIBER FROM SCREENING REJECT AND FINE SORTING PRE-PROCESSING DEVICE FOR USE IN METHOD FOR RECOVERING FIBER | Apr 20, 20 | Aug 04, 22 | Not available |
| 2021/0131,039 | BINDER COMPOSITION AND METHOD COMPRISING MICROFIBRILLATED CELLULOSE AND RECYCLED CELLULOSIC MATERIALS | Oct 29, 20 | May 06, 21 | Not available |
| 2020/0362,513 | PROCESS TO RECOVER A PORTION OF POST-RECYCLING MUNICIPAL SOLID WASTE | Aug 05, 20 | Nov 19, 20 | Not available |
| 2020/0190,736 | METHOD FOR SEPARATING FIBERS | Dec 15, 17 | Jun 18, 20 | REPULPING TECHNOLOGY GMBH & CO. KG |
| 2019/0040,576 | Apparatus and Method for Processing a Rope Formed in a Pulper | Jan 25, 17 | Feb 07, 19 | Meri Environmental Solutions GmbH |
| 2018/0305,869 | PROCESSING DEVICE, SHEET MANUFACTURING APPARATUS, PROCESSING METHOD, AND SHEET MANUFACTURING METHOD | Apr 23, 18 | Oct 25, 18 | Not available |
| 2017/0183,816 | WASTE PAPER RECYCLING APPARATUS | Dec 16, 16 | Jun 29, 17 | DUPLO SEIKO CORPORATION |
| Upgrade to the Professional Level to view Top Owners for this Subclass.Learn More |
|---|
