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 3/22: Impregnating wood (staining or dyeing wood B27K 5/02 ; combined impregnating and drying B27K 5/04 ) Inorganic impregnating agents Compounds of zinc or copper
| 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 |
| 11951649 | Method for producing copper carboxylate, a wood preservative composition comprising copper carboxylate, and a wood product produced therefrom | Jun 30, 22 | Apr 09, 24 | Koppers Performance Chemicals Inc. |
| 11919191 | Methods for enhancing the preservation of cellulosic materials and cellulosic materials prepared thereby | Sep 26, 22 | Mar 05, 24 | American Chemet Corporation |
| 11723368 | Penflufen as a wood preservative against wood-destroying basidiomycetes | Jan 23, 19 | Aug 15, 23 | LANHESS Deutshcland GmbH |
| 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 |
| 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 |
| 11312038 | Wood preservative composition | Apr 30, 15 | Apr 26, 22 | Arch Wood Protection, Inc. |
| 11173626 | Stable wood preservative formulations | Jul 10, 17 | Nov 16, 21 | Koppers Performance Chemicals Inc. |
| 11140901 | Wood preservative and method for producing same | Dec 11, 18 | Oct 12, 21 | Koppers Performance Chemicals Inc. |
| 11102980 | Method of preparing copper-containing wood preserving compositions | Aug 28, 18 | Aug 31, 21 | Koppers Performance Chemicals Inc. |
| 11072086 | Wood pigment compositions and wood treatment processes | Aug 14, 18 | Jul 27, 21 | Koppers Performance Chemicals Inc. |
| 10786926 | Methods for enhancing the preservation of cellulosic materials and cellulosic materials prepared thereby | Oct 17, 19 | Sep 29, 20 | American Chemet Corporation |
| 10495626 | Wood marking and identification | Apr 29, 16 | Dec 03, 19 | Troy Corporation |
| 10449691 | Methods for enhancing the preservation of cellulosic materials and cellulosic materials prepared thereby | Jun 02, 17 | Oct 22, 19 | American Chemet Corporation |
| 10231459 | Penflufen as a wood preservative against wood-destroying basidiomycetes | Sep 30, 11 | Mar 19, 19 | LANXESS Deutschland GmbH |
| 10201910 | Wood preservative formulation | Nov 24, 15 | Feb 12, 19 | ARCH WOOD PROTECTION PTY LTD |
| 10155325 | Functionalized and multifunctional composite material, method and applications | Dec 23, 13 | Dec 18, 18 | NanoMech, Inc. |
| 10085453 | Controlled release, wood preserving composition with low-volatile organic content for treating in-service utility poles, posts, pilings, cross-ties and other wooden structures | Oct 04, 17 | Oct 02, 18 | OSMOSE UTILITIES SERVICES, INC. |
| 9961895 | Additives for use in wood preservation | May 19, 17 | May 08, 18 | Arch Timber Protection Limited |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0052,736 | METHODS FOR DETERMINING A SOURCE OF WOOD PRODUCTS, WOOD PRESERVATIVE COMPOSITIONS, WOOD PRODUCTS, AND METHODS OF TREATING WOOD SUBSTRATES | Jul 16, 24 | Feb 13, 25 | Not available |
| 2024/0278,455 | METHOD FOR PRODUCING COPPER CARBOXYLATE, A WOOD PRESERVATIVE COMPOSITION COMPRISING COPPER CARBOXYLATE, AND A WOOD PRODUCT PRODUCED THEREFROM | Mar 04, 24 | Aug 22, 24 | Not available |
| 2024/0206,473 | Zinc and Boron Containing Enhanced Wood Preservative | Mar 18, 22 | Jun 27, 24 | Not available |
| 2024/0196,901 | Zinc and Boron Containing Enhanced Wood Preservative | Mar 18, 22 | Jun 20, 24 | Not available |
| 2024/0123,651 | MODIFICATION ARRANGEMENT FOR HYGROSCOPIC MATERIAL | Feb 09, 22 | Apr 18, 24 | Not available |
| 2024/0099,303 | WOOD PRESERVATIVE AND METHOD FOR PRODUCING SAME | Nov 30, 23 | Mar 28, 24 | Not available |
| 2023/0150,166 | METHOD FOR TREATING A WOOD SUBSTRATE | Nov 15, 21 | May 18, 23 | Not available |
| 2023/0034,800 | METHODS FOR ENHANCING THE PRESERVATION OF CELLULOSIC MATERIALS AND CELLULOSIC MATERIALS PREPARED THEREBY | Sep 26, 22 | Feb 02, 23 | American Chemet Corporation |
| 2021/0008,755 | METHODS FOR ENHANCING THE PRESERVATION OF CELLULOSIC MATERIALS AND CELLULOSIC MATERIALS PREPARED THEREBY | Sep 28, 20 | Jan 14, 21 | American Chemet Corporation |
| 2020/0047,370 | METHODS FOR ENHANCING THE PRESERVATION OF CELLULOSIC MATERIALS AND CELLULOSIC MATERIALS PREPARED THEREBY | Oct 17, 19 | Feb 13, 20 | American Chemet Corporation |
| 2019/0255,730 | SUBMICRON PARTICLE COMPOSITIONS | May 29, 17 | Aug 22, 19 | PRESTECH LIMITED |
| 2018/0257,256 | UV-STABLE AND SUPERHYDROPHOBIC WOOD SURFACE | Sep 05, 16 | Sep 13, 18 | ETH Zurich; EMPA Eidgenossische Materialprufungs-und Forschungsanstalt; |
| 2017/0266,837 | WOOD MARKING AND IDENTIFICATION | May 31, 17 | Sep 21, 17 | Not available |
| 2017/0152,439 | Nanoparticles, Nanosponges, Methods of Synthesis, and Methods of Use | Feb 14, 17 | Jun 01, 17 | BOARD OF SUPERVISORS OF LOUISIANA STATE UNIVERSITY AND AGRICULTURAL AND MECHANICAL COLLEGE |
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