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 13/04: Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material (chemical features in the manufacture of artificial fibres D01F) Synthetic cellulose fibres Cellulose ethers
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11771204 | Method for manufacturing mask pack for adsorbing heavy metals, and mask pack manufactured thereby | Dec 11, 18 | Oct 03, 23 | LG Chem Ltd.; LG Household & Health Care Ltd.; |
| 11479915 | Method for manufacturing intermediate product for conversion into microfibrillated cellulose | Jul 03, 17 | Oct 25, 22 | Stora Enso Oyj |
| 11142589 | High alpha and high intrinsic viscosity pulp production apparatuses, methods and systems | Jun 14, 19 | Oct 12, 21 | Bracell Bahia Specialty Cellulose SA |
| 10829892 | Crosslinked cellulose as precursor in production of high-grade cellulose derivatives and related technology | Sep 13, 19 | Nov 10, 20 | International Paper Company |
| 10428459 | Crosslinked cellulose as precursor in production of high-grade cellulose derivatives and related technology | Mar 01, 18 | Oct 01, 19 | International Paper Company |
| 10428458 | Medical nonwoven fabric, and preparation method thereof | Feb 05, 16 | Oct 01, 19 | Korea Institute of Industrial Technology |
| 9926665 | Crosslinked cellulose as precursor in production of high-grade cellulose derivatives and related technology | Mar 11, 16 | Mar 27, 18 | International Paper Company |
| 9771687 | Crosslinked cellulose as precursor in production of high-grade cellulose derivatives and related technology | Mar 11, 16 | Sep 26, 17 | INTERNATIONAL PAPER COMPANY |
| 9767714 | Dissolvable thermal direct adhesive label and methods of assembly and use of the same | Aug 10, 16 | Sep 19, 17 | AVERY DENNISON CORPORATION |
| 9481963 | Manufacturing method of carboxymethyl cellulose nonwoven fabric and use of carboxymethyl cellulose nonwoven fabric manufactured thereby | Oct 23, 13 | Nov 01, 16 | KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY |
| 9418576 | Dissolvable thermal direct adhesive label and label assembly including the same | May 14, 08 | Aug 16, 16 | AVERY DENNISON CORPORATION |
| 9328459 | Multi-stage catalytic carboxylation of mercerized cellulose fibers | Mar 29, 13 | May 03, 16 | INTERNATIONAL PAPER COMPANY |
| 7959762 | Method for making biodegradable superabsorbent particles | Jun 30, 08 | Jun 14, 11 | WEYERHAEUSER NR COMPANY |
| 5549791 | Individualized cellulosic fibers crosslinked with polyacrylic acid polymers | Jun 15, 94 | Aug 27, 96 | WEYERHAEUSER NR COMPANY |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2020/0040,530 | WATER-DISPERSIBLE PAPER | Feb 20, 18 | Feb 06, 20 | Not available |
| 2017/0365,195 | DISSOLVABLE THERMAL DIRECT ADHESIVE LABEL AND METHODS OF ASSEMBLY AND USE OF THE SAME | Aug 30, 17 | Dec 21, 17 | Not available |
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