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 11/22: Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment Chemically or biochemically modified fibres cationised
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11920305 | Preparation method and application of multifunctional intelligent cellulose-based visual label | Sep 23, 23 | Mar 05, 24 | Northeast Forestry University |
| 10767317 | Method and treatment system for making of paper | May 19, 17 | Sep 08, 20 | Kemira Oyj |
| 10570564 | Method for preparing nanofibrillar cellulose | Aug 13, 15 | Feb 25, 20 | UPM Kymmene Corporation |
| 8969441 | Cationic microfibrillated plant fibre and manufacturing method for same | Feb 04, 11 | Mar 03, 15 | KYOTO UNIVERSITY, OJI HOLDINGS CORPORATION, |
| 8916024 | Method and system for producing market pulp and products thereof | Nov 26, 12 | Dec 23, 14 | Buckman Laboratories International, Inc. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2018/0282,946 | SHEET AND LAMINATE | Sep 29, 16 | Oct 04, 18 | OJI HOLDINGS CORPORATION |
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