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 11/16: Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12195919 | Multi-step low temperature and low pressure process for agricultural feedstock stock preparation with hemicellulose and lignin recovery | Nov 17, 22 | Jan 14, 25 | KANBOL, INC. |
| 12091818 | Processes for producing nanocellulose, and nanocellulose compositions produced therefrom | Mar 23, 21 | Sep 17, 24 | GranBio Intellectual Property Holdings, LLC |
| 12077915 | Nanocellulose-reinforced corrugated medium | Jun 10, 22 | Sep 03, 24 | GranBio Intellectual Property Holdings, LLC |
| 11970820 | Cotton recycling | Nov 07, 22 | Apr 30, 24 | BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM |
| RE49570 | Modified cellulose from chemical kraft fiber and methods of making and using the same | Aug 30, 21 | Jul 04, 23 | GP Cellulose GMbH |
| 11591429 | Grafted crosslinked cellulose | Apr 27, 21 | Feb 28, 23 | International Paper Company |
| 11535985 | Method for manufacture of paper or board and paper or board obtained by the method | Jun 30, 20 | Dec 27, 22 | Kemira Oyj |
| 11525214 | Cotton recycling | Jun 09, 17 | Dec 13, 22 | 501 Board of Regents The University of Texas System |
| 11512433 | Composition of matter feed to a head box | Jul 26, 19 | Nov 29, 22 | Eastman Chemical Company |
| 11473245 | Surface enhanced pulp fibers at a substrate surface | Aug 01, 17 | Oct 18, 22 | Domtar Paper Company, LLC |
| 11390793 | Nanofibril cellulose additive | Nov 13, 20 | Jul 19, 22 | Halliburton Energy Services, Inc. |
| 11364154 | Absorbent article | Mar 16, 17 | Jun 21, 22 | Not available |
| 11359334 | Nanocellulose-reinforced corrugated medium | Oct 03, 19 | Jun 14, 22 | GranBio Intellectual Property Holdings, LLC |
| 11352747 | Processes for improving high aspect ratio cellulose filament blends | Apr 12, 19 | Jun 07, 22 | Mercer International Inc. |
| 11242652 | Sheet having improved dead-fold properties | Feb 17, 17 | Feb 08, 22 | Stora Enso Oyj |
| 11168444 | Fibrous product | May 15, 18 | Nov 09, 21 | ESSITY HYGIENE AND HEALTH AKTIEBOLAG |
| 11142589 | High alpha and high intrinsic viscosity pulp production apparatuses, methods and systems | Jun 14, 19 | Oct 12, 21 | Bracell Bahia Specialty Cellulose SA |
| 11111628 | Modified cellulose from chemical kraft fiber and methods of making and using the same | Jul 20, 20 | Sep 07, 21 | GP Cellulose GMbH |
| 10975499 | Surface enhanced pulp fibers, methods of making surface enhanced pulp fibers, products incorporating surface enhanced pulp fibers, and methods of making products incorporating surface enhanced pulp fibers | Aug 01, 16 | Apr 13, 21 | Domtar Paper Company, LLC |
| 10907084 | Nanofibril cellulose additive | Feb 23, 16 | Feb 02, 21 | Halliburton Energy Services, Inc. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0101,683 | LOW TEMPERATURE AND LOW PRESSURE PROCESS FOR AGRICULTURAL FEEDSTOCK PREPARATION | Dec 06, 24 | Mar 27, 25 | Not available |
| 2025/0059,709 | NANOCELLULOSE-REINFORCED CORRUGATED MEDIUM | Aug 30, 24 | Feb 20, 25 | Not available |
| 2024/0200,274 | Multi-Region Pulp Article | Dec 06, 23 | Jun 20, 24 | Not available |
| 2024/0141,589 | METHOD AND DEVICE FOR PRODUCING AN MFC FILM | Feb 23, 22 | May 02, 24 | Stora Enso Oyj |
| 2023/0212,341 | GRAFTED CROSSLINKED CELLULOSE | Feb 27, 23 | Jul 06, 23 | International Paper Company |
| 2022/0290,376 | FLUFF PULP | Sep 03, 20 | Sep 15, 22 | Stora Enso Oyj |
| 2021/0102,337 | HIGH STRETCH PAPER AND METHOD OF PRODUCING THE SAME | Feb 01, 19 | Apr 08, 21 | Not available |
| 2020/0181,846 | METHOD AND DEVICE FOR PRODUCING NANO FILMS | Aug 17, 17 | Jun 11, 20 | Not available |
| 2015/0107,790 | METHOD OF SEPARATION OF HEMICELLULOSE AND CELLULOSE FROM POLYSACCHARIDE SOURCES | Apr 15, 13 | Apr 23, 15 | METSA FIBRE OY |
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