Class B27K : PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR
Subclass 3/20: Impregnating wood (staining or dyeing wood B27K 5/02 ; combined impregnating and drying B27K 5/04 ) Inorganic impregnating agents Compounds of alkali metals or ammonium
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12219957 | Preservative composition for wood based on modified lignin | Jun 21, 19 | Feb 11, 25 | UNIVERSIDAD DEL PAÍS VASCO / EUSKAL HERRIKO UNIBERTSITATEA |
| 12139636 | Compound for surface protection | May 26, 20 | Nov 12, 24 | FIRST POINT A.S. |
| 12138823 | Fireproof water-resistant wood chip material and method of its production | Jun 09, 20 | Nov 12, 24 | FIRST POINT A.S. |
| 12122940 | Board material processing composition, board material laminate, and method for manufacturing board material laminate | Mar 30, 22 | Oct 22, 24 | M&HTechnical Research Institute Co., LTD. |
| 11958209 | Delignified wood materials, and methods for fabricating and use thereof | Sep 14, 18 | Apr 16, 24 | UNIVERSITY OF MARYLAND, COLLEGE PARK |
| 11919191 | Methods for enhancing the preservation of cellulosic materials and cellulosic materials prepared thereby | Sep 26, 22 | Mar 05, 24 | American Chemet Corporation |
| 11628590 | Enhanced performance of wood and engineered wood products using combined durability and flame retardancy | Jun 02, 22 | Apr 18, 23 | Wood Modification Technologies Limited |
| 11628589 | Mixtures of ammonium polyphosphate and at least one soluble ionic compound containing sulfate and/or is capable of releasing sulfate ions | Oct 18, 16 | Apr 18, 23 | CLARIANT INTERNATIONAL LTD |
| 11554514 | Strong and tough structural wood materials, and methods for fabricating and use thereof | Aug 23, 21 | Jan 17, 23 | UNIVERSITY OF MARYLAND, COLLEGE PARK |
| 11453142 | Methods for enhancing the preservation of cellulosic materials and cellulosic materials prepared thereby | Sep 28, 20 | Sep 27, 22 | American Chemet Corporation |
| 11370146 | Enhanced performance of wood and engineered wood products using combined durability and flame retardancy | Jun 27, 18 | Jun 28, 22 | Wood Modification Technologies Limited |
| 11140901 | Wood preservative and method for producing same | Dec 11, 18 | Oct 12, 21 | Koppers Performance Chemicals Inc. |
| 11130256 | Strong and tough structural wood materials, and methods for fabricating and use thereof | Apr 09, 18 | Sep 28, 21 | UNIVERSITY OF MARYLAND, COLLEGE PARK |
| 10933555 | Process and apparatus for treating lignocellulosic material | Jun 23, 15 | Mar 02, 21 | Technologies Boralife Inc. |
| 10920147 | Flame or fire retarding agents and their manufacture and use | Nov 11, 16 | Feb 16, 21 | Not available |
| 10786926 | Methods for enhancing the preservation of cellulosic materials and cellulosic materials prepared thereby | Oct 17, 19 | Sep 29, 20 | American Chemet Corporation |
| 10590308 | Coating compositions and treating method | Dec 23, 16 | Mar 17, 20 | SIOO FÄRGKULTUR AB |
| 10201909 | Treated wood material | Jun 30, 15 | Feb 12, 19 | Dow Global Technologies LLC |
| 10201910 | Wood preservative formulation | Nov 24, 15 | Feb 12, 19 | ARCH WOOD PROTECTION PTY LTD |
| 10093813 | Flame retardant composition for wood, flame retardant wood, and method for manufacturing the same | Mar 15, 16 | Oct 09, 18 | Not available |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0269,882 | DELIGNIFIED WOOD MATERIALS, AND METHODS FOR FABRICATING AND USE THEREOF | Mar 07, 24 | Aug 15, 24 | Not available |
| 2024/0091,980 | FLAME RETARDANT WOOD, PREPARATION METHOD THEREOF AND USE OF METAL HALIDE | Jun 07, 23 | Mar 21, 24 | Northeast Forestry University |
| 2024/0083,067 | WASTE-FREE PROCESSING FOR LIGNIN MODIFICATION OF FIBROUS PLANT MATERIALS, AND LIGNIN-MODIFIED FIBROUS PLANT MATERIALS | Aug 27, 22 | Mar 14, 24 | Not available |
| 2023/0405,866 | Process and Design Modifications to Retrofit a Conventional Wood Plant | Jun 15, 23 | Dec 21, 23 | Not available |
| 2023/0166,427 | STRONG AND TOUGH STRUCTURAL WOOD MATERIALS, AND METHODS FOR FABRICATING AND USE THEREOF | Nov 04, 22 | Jun 01, 23 | Not available |
| 2021/0170,623 | GREEN PROCESS FOR MODIFYING WOOD | Dec 04, 20 | Jun 10, 21 | T2Earth Holdings LLC |
| 2018/0304,493 | MIXTURES OF AMMONIUM POLYPHOSPHATE AND AT LEAST ONE SOLUBLE IONIC COMPOUND CONTAINING SULFATE AND/OR IS CAPABLE OF RELEASING SULFATE IONS | Oct 18, 16 | Oct 25, 18 | CLARIANT PLASTICS & COATINGS LTD |
| 2017/0087,739 | TREATMENT OF HARDWOOD ARTICLES WITH COPPER AND/OR ZINC WOOD PRESERVATIVES | Dec 09, 16 | Mar 30, 17 | Not available |
| Upgrade to the Professional Level to view Top Owners for this Subclass.Learn More |
|---|
