Class D21H : PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C, D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
Subclass 11/20: Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment Chemically or biochemically modified fibres
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12215464 | Dispersible non-wood pulp | Nov 05, 21 | Feb 04, 25 | Kimberly Clark Worldwide Inc. |
| 12202179 | Supercritical fluid injection foaming polylactide foam material and preparation method therefor | Sep 11, 20 | Jan 21, 25 | Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences |
| 12077910 | Nanocellulose production co-located at a pulp and paper mill | May 17, 21 | Sep 03, 24 | GranBio Intellectual Property Holdings, LLC |
| 12077912 | Crosslinked pulps, cellulose ether products made therefrom; and related methods of making pulps and cellulose ether products | Jun 06, 22 | Sep 03, 24 | International Paper Company |
| 12012699 | Process for manufacturing components from shredded polymer-coated paper products | May 13, 22 | Jun 18, 24 | CHOPVALUE MANUFACTURING LTD |
| 12012469 | Fibrous cellulose and method for manufacturing the same, and fibrous cellulose composite resin and method for manufacturing the same | May 24, 19 | Jun 18, 24 | Daio Paper Corporation |
| 12000066 | Cross-linked cellulosic fibers | Mar 29, 18 | Jun 04, 24 | Not available |
| 11987675 | Sheet | Dec 18, 18 | May 21, 24 | OJI HOLDINGS CORPORATION |
| 11970817 | Paper filler composition | May 27, 22 | Apr 30, 24 | FIBERLEAN TECHNOLOGIES LIMITED |
| 11970819 | Tissue products comprising crosslinked fibers | Jan 20, 21 | Apr 30, 24 | Not available |
| 11970820 | Cotton recycling | Nov 07, 22 | Apr 30, 24 | BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM |
| 11959194 | Method for producing shortened anionically modified cellulose fibers | Jun 06, 19 | Apr 16, 24 | KAO Corporation |
| 11939725 | Hot-extraction paper | Dec 11, 19 | Mar 26, 24 | Mondi AG |
| 11851819 | Gas barrier film for packaging material | Nov 14, 19 | Dec 26, 23 | Stora Enso Oyj |
| 11795280 | Method for producing a film having good barrier properties and a film having good barrier properties | Oct 17, 18 | Oct 24, 23 | Stora Enso Oyj |
| 11788229 | Monitoring and controlling of refining of fibrous pulp | May 02, 20 | Oct 17, 23 | Valmet Technologies, Inc. |
| 11773538 | Multi-ply through-air dried tissue products comprising regenerated cellulose fiber | Nov 01, 21 | Oct 03, 23 | Kimberly Clark Worldwide Inc. |
| 11773536 | Method for producing pulp fibres for saccharification, and aqueous solution of pulp fibres for saccharification | May 10, 18 | Oct 03, 23 | Unicharm Corporation |
| 11739477 | Production of modified pulp | Oct 29, 19 | Aug 29, 23 | SCA FOREST PRODUCTS AB |
| 11732411 | Paper filler composition | Oct 01, 21 | Aug 22, 23 | FiberLean Technologies Limited |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0116,065 | DISPERSIBLE NON-WOOD PULP | Dec 20, 24 | Apr 10, 25 | Not available |
| 2025/0075,428 | Methods for Liberating Trichome Fibers from Portions of a Host Plant | Nov 18, 24 | Mar 06, 25 | Not available |
| 2025/0059,707 | NANOCELLULOSE PRODUCTION CO-LOCATED AT A PULP AND PAPER MILL | Aug 30, 24 | Feb 20, 25 | Not available |
| 2024/0400,280 | THERMOPLASTIC-IMPREGNATED CELLULOSIC NONWOVEN AS A COMPOSTABLE FILTER MATERIAL FOR LIQUIDS | Sep 23, 22 | Dec 05, 24 | Not available |
| 2024/0384,470 | DISSOLVABLE NANOCELLULOSE SHEET | Mar 07, 24 | Nov 21, 24 | Berkley Medical Resources, Inc. |
| 2024/0309,208 | Highly Heat-Resistant Resin Composite Including Chemically Modified, Fine Cellulose Fibers | May 23, 24 | Sep 19, 24 | Asahi Kasei Kabushiki Kaisha |
| 2024/0287,741 | BCTMP-Tailored SCK paper for release liner | Feb 24, 23 | Aug 29, 24 | Not available |
| 2024/0279,846 | CROSS-LINKED CELLULOSIC FIBERS | Apr 30, 24 | Aug 22, 24 | Not available |
| 2024/0240,400 | PAPER FILLER COMPOSITION | Mar 28, 24 | Jul 18, 24 | FiberLean Technologies Limited |
| 2024/0141,591 | SHEET AND LAYERED BODY | Feb 03, 22 | May 02, 24 | OJI HOLDINGS CORPORATION |
| 2024/0018,724 | METHOD FOR PRODUCING A CELLULOSE-FIBRE-BASED DRINKING STRAW | Jul 06, 21 | Jan 18, 24 | Mondi AG |
| 2023/0340,728 | LIGNOCELLULOSIC BIOPLASTICS AND COMPOSITES, AND METHODS FOR FORMING AND USE THEREOF | Sep 16, 21 | Oct 26, 23 | Not available |
| 2023/0212,341 | GRAFTED CROSSLINKED CELLULOSE | Feb 27, 23 | Jul 06, 23 | International Paper Company |
| 2023/0203,755 | FINE FIBROUS CELLULOSE, DISPERSED SOLUTION, SHEET, LAMINATED SHEET, LAMINATE, AND METHOD FOR PRODUCING FINE FIBROUS CELLULOSE | May 19, 21 | Jun 29, 23 | OJI HOLDINGS CORPORATION |
| 2023/0160,146 | Carboxylated cellulose nanofiber and preparation method thereof | Dec 20, 22 | May 25, 23 | Not available |
| 2022/0403,597 | Method for Producing a Sheet Comprising Chemically Modified Cellulose Fibers | Nov 12, 20 | Dec 22, 22 | Not available |
| 2022/0372,707 | PULP, SLURRY, SHEET, LAMINATE, AND METHOD FOR PRODUCING PULP | Aug 05, 22 | Nov 24, 22 | OJI HOLDINGS CORPORATION |
| 2022/0251,784 | PRODUCTION OF SHEETS COMPRISING FIBRILLATED CELLULOSE | Mar 10, 20 | Aug 11, 22 | Not available |
| 2022/0127,789 | METHOD FOR PRODUCING CELLULOSE PULP, CELLULOSE PULP AND USE THEREOF, PAPER | Jan 04, 22 | Apr 28, 22 | Not available |
| 2022/0098,796 | CROSSLINKING CELLULOSE WITH GLYOXAL TO IMPROVE ABSORPTION PROPERTIES | Jan 24, 20 | Mar 31, 22 | Rayonier Performance Fibers, LLC |
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