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 11/06: Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only Chemical or chemomechanical pulp Sulfite or bisulfite pulp
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12188181 | Sulfite-based processes for producing nanocellulose, and compositions and products produced therefrom | Oct 18, 21 | Jan 07, 25 | GranBio Intellectual Property Holdings, LLC |
| 12157974 | Paper production | Oct 09, 20 | Dec 03, 24 | BillerudKorsnas AB |
| 12116729 | Common preparation of lignocellulosic feedstock and a product containing cellulose but free from lignin | May 29, 20 | Oct 15, 24 | Chemiefaser Lenzing Aktiengesellschaft |
| 12077910 | Nanocellulose production co-located at a pulp and paper mill | May 17, 21 | Sep 03, 24 | GranBio Intellectual Property Holdings, LLC |
| 11773537 | Sulfonated lignin-derived compounds and uses thereof | Feb 17, 21 | Oct 03, 23 | CMBlu Energy AG |
| 11725340 | Sulfonated lignin-derived compounds and uses thereof | Feb 17, 21 | Aug 15, 23 | CMBlu Energy AG |
| 11332600 | Method for producing nanocelluloses from a cellulose substrate | Jun 01, 16 | May 17, 22 | INSTITUT NATIONAL DE RECHERCHE POUR L'AGRICULTURE, L'ALIMENTATION ET L'ENVIRONNEMENT |
| 11306433 | Composition of matter effluent from refiner of a wet laid process | Jul 26, 19 | Apr 19, 22 | Eastman Chemical Company |
| 11248345 | Dissolved air de-bonding of a tissue sheet | Nov 05, 19 | Feb 15, 22 | GPCP IP Holdings LLC |
| 11248346 | Dissolved air de-bonding of a tissue sheet | Sep 18, 20 | Feb 15, 22 | GPCP IP Holdings LLC |
| 11225756 | Method for producing low molecular weight aromatic lignin-derived compounds | Apr 07, 17 | Jan 18, 22 | CMBLU PROJEKT AG |
| 11008284 | Sulfonated aromatic compounds | Apr 07, 17 | May 18, 21 | CMBLU PROJEKT AG |
| 10519607 | Dissolved air de-bonding of a tissue sheet | May 08, 17 | Dec 31, 19 | GPCP IP Holdings LLC |
| 10400092 | Cellulose platelet compositions, methods of preparing cellulose platelet compositions and products comprising same | Nov 15, 17 | Sep 03, 19 | CELLUCOMP LIMITED; Cosun Biobased Products B.V.; |
| 10280559 | Process for producing increased bulk pulp fibers, pulp fibers obtained, and products incorporating same | Oct 25, 17 | May 07, 19 | International Paper Company |
| 9834664 | Cellulose platelet compositions, methods of preparing cellulose platelet compositions and products comprising same | Feb 28, 13 | Dec 05, 17 | CELLUCOMP LIMITED, COSUN BIOBASED PRODUCTS B.V., |
| 9399840 | Sulfite-based processes for producing nanocellulose, and compositions and products produced therefrom | Dec 29, 14 | Jul 26, 16 | API INTELLECTUAL PROPERTY HOLDINGS, LLC |
| 9243364 | Methods of pretreating lignocellulosic biomass with reduced formation of fermentation inhibitors | Jun 09, 14 | Jan 26, 16 | THE UNITED STATES OF AMERICA, AS REPRESENTED BY THE SECRETARY OF AGRICULTURE |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0059,707 | NANOCELLULOSE PRODUCTION CO-LOCATED AT A PULP AND PAPER MILL | Aug 30, 24 | Feb 20, 25 | Not available |
| 2024/0318,382 | Sulfonated Lignin-Derived Compounds And Uses Thereof | May 08, 24 | Sep 26, 24 | Not available |
| 2024/0263,401 | MULTI-PLY LINER FOR USE IN CORRUGATED BOARD | May 13, 22 | Aug 08, 24 | Stora Enso Oyj |
| 2024/0240,403 | FLUTING OR LINER COMPRISING NSSC PULP | May 13, 22 | Jul 18, 24 | Stora Enso Oyj |
| 2024/0240,406 | MULTIPLY CONTAINERBOARD FOR USE IN CORRUGATED BOARD | May 13, 22 | Jul 18, 24 | Stora Enso Oyj |
| 2024/0240,407 | Corrugated Board for Humid Conditions | May 19, 22 | Jul 18, 24 | Billerud Aktiebolag (publ) |
| 2024/0240,408 | MULTIPLY CONTAINERBOARD FOR USE IN CORRUGATED BOARD | May 13, 22 | Jul 18, 24 | Stora Enso Oyj |
| 2018/0251,941 | NANOCELLULOSE PRODUCTION CO-LOCATED AT A PULP AND PAPER MILL | Aug 29, 16 | Sep 06, 18 | Not available |
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