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 11/02: Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only Chemical or chemomechanical pulp
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12256771 | Lightweight separating base paper | May 14, 19 | Mar 25, 25 | delfortgroup AG |
| 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. |
| 12116732 | Paper products incorporating surface enhanced pulp fibers and having decoupled wet and dry strengths and methods of making the same | Sep 23, 20 | Oct 15, 24 | Domtar Paper Company, LLC |
| 12098507 | High porosity non-wood pulp | Nov 05, 21 | Sep 24, 24 | Kimberly Clark Worldwide Inc. |
| 12084563 | Refined cellulose fiber composition | Jun 30, 20 | Sep 10, 24 | Stora Enso Oyj |
| 12084811 | Lignocellulosic biomass based process for production of lignins and syngas, and electricity production efficient syngas | Feb 14, 19 | Sep 10, 24 | Société Bioeb |
| 12077915 | Nanocellulose-reinforced corrugated medium | Jun 10, 22 | Sep 03, 24 | GranBio Intellectual Property Holdings, LLC |
| 12053964 | Ply of a linerboard and a light weight linerboard for corrugated board | Jun 25, 19 | Aug 06, 24 | Stora Enso Oyj |
| 12036295 | Moist wipe having enhanced dispersibility | Sep 12, 19 | Jul 16, 24 | Nice-Pak Products Inc.; Haso Ltd.; |
| 12018434 | Multilayered fibrous sheet, a method for making a multilayered fibrous sheet, and use of mechanical pulp | Apr 16, 21 | Jun 25, 24 | Metsä Board Oyj |
| 11939721 | Method for non-catalytic delignification of biomass inside an apparatus | Jan 13, 20 | Mar 26, 24 | LIGNOPURA AGROTECH PVT LTD. |
| 11926128 | Light weight linerboard for corrugated board | Jun 25, 19 | Mar 12, 24 | Stora Enso Oyj |
| 11814227 | High-strength fluting from NSSC pulp | Nov 03, 20 | Nov 14, 23 | BillerudKorsnas AB |
| 11692313 | Method of manufacturing of a foam-formed cellulosic fibre-material, a bulk sheet and a laminated packaging material comprising the cellulosic fibre-material | Oct 13, 17 | Jul 04, 23 | TETRA LAVAL HOLDINGS & FINANCE SA |
| 11674267 | Absorbent paper products having unique physical strength properties | May 04, 20 | Jun 13, 23 | Mercer International Inc. |
| 11668053 | Absorbent paper products having unique physical strength properties | May 04, 20 | Jun 06, 23 | Mercer International Inc. |
| 11624152 | Low energy production process for producing paper pulp from lignocellulosic biomass | Dec 13, 18 | Apr 11, 23 | Société Bioeb |
| 11473241 | Method of producing chemical pulp | May 15, 18 | Oct 18, 22 | Andritz Oy |
| 11359334 | Nanocellulose-reinforced corrugated medium | Oct 03, 19 | Jun 14, 22 | GranBio Intellectual Property Holdings, LLC |
| 11305254 | Process and system for producing pulp, energy, and bioderivatives from plant-based and recycled materials | Feb 27, 20 | Apr 19, 22 | Circ, LLC |
| 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 |
| 2025/0084,592 | Assymetric Paperboard | Aug 11, 22 | Mar 13, 25 | Not available |
| 2025/0059,709 | NANOCELLULOSE-REINFORCED CORRUGATED MEDIUM | Aug 30, 24 | Feb 20, 25 | Not available |
| 2025/0059,712 | STRENGTH ENHANCEMENT AGENT FOR PAPER AND PAPERBOARD | Dec 12, 22 | Feb 20, 25 | Stora Enso Oyj |
| 2024/0426,060 | METHOD FOR MANUFACTURING A MULTIPLY PAPERBOARD, AND A MULTIPLY PAPERBOARD | Oct 12, 22 | Dec 26, 24 | Stora Enso Oyj |
| 2024/0392,505 | HIGH POROSITY NON-WOOD PULP | Aug 07, 24 | Nov 28, 24 | Not available |
| 2024/0309,586 | A METHOD FOR PRODUCING A CHEMI-THERMOMECHANICAL FIBROUS PULP FROM NON-WOOD PLANT RAW MATERIALS AND AN AUTOMATED LINE FOR PRODUCING SAID PULP BY SAID METHOD | Mar 22, 23 | Sep 19, 24 | Not available |
| 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 |
| 2024/0183,109 | Multi-Region Pulp Article | Dec 06, 23 | Jun 06, 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 |
| 2023/0250,587 | BIODEGRADABLE BOARDS AND METHODS OF MAKING THE SAME | Jun 17, 21 | Aug 10, 23 | Not available |
| 2023/0138,993 | FIBER-BASED CUP DESIGN, CHEMISTRY AND TOOLING | Sep 14, 22 | May 04, 23 | Not available |
| 2023/0057,864 | Dispersion of cellulose fibers and method of producing the same | Dec 18, 20 | Feb 23, 23 | Not available |
| 2023/0002,974 | COMPOSITIONS AND METHODS FOR MAKING PAPER USING UNCOOKED STARCH FOR GYPSUM PANELS | Jun 27, 22 | Jan 05, 23 | Not available |
| 2019/0292,337 | A UV BLOCKING FILM AND COMPOSITION COMPRISING MICROFIBRILLATED CELLULOSE, A METHOD FOR PRODUCING SAID FILM AND USE OF THE COMPOSITION | May 15, 17 | Sep 26, 19 | Not available |
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