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 3/26: Impregnating wood (staining or dyeing wood B27K 5/02 ; combined impregnating and drying B27K 5/04 ) Inorganic impregnating agents Compounds of iron, aluminium, or chromium
| 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 |
| 12157249 | Flexible wood structures and devices, and methods for fabricating and use thereof | Jul 18, 22 | Dec 03, 24 | UNIVERSITY OF MARYLAND, COLLEGE PARK |
| 12138822 | Method and device for preparing magnetic bamboo wood | Apr 24, 24 | Nov 12, 24 | Nanjing Forestry University |
| 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 |
| 11440214 | Flexible wood structures and devices, and methods for fabricating and use thereof | Apr 02, 18 | Sep 13, 22 | UNIVERSITY OF MARYLAND, COLLEGE PARK |
| 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 |
| 11072086 | Wood pigment compositions and wood treatment processes | Aug 14, 18 | Jul 27, 21 | Koppers Performance Chemicals Inc. |
| 9937634 | Compositions and methods for treating cellulose-based materials with micronized additives | Jan 14, 16 | Apr 10, 18 | Koppers Performance Chemicals Inc. |
| 9402860 | Methods of inhibiting the growth of onychomycosis and urushiol-induced allergic contact dermatitis | Apr 15, 08 | Aug 02, 16 | Chesson Laboratory Associates, Inc. |
| 9266251 | Compositions and methods for treating cellulose-based materials with micronized additives | Jan 29, 15 | Feb 23, 16 | KOPPERS PERFORMANCE CHEMICALS INC. |
| 8974854 | Compositions and methods for treating cellulose-based materials with micronized additives | Nov 01, 13 | Mar 10, 15 | KOPPERS PERFORMANCE CHEMICALS INC. |
| 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 |
| 2024/0123,651 | MODIFICATION ARRANGEMENT FOR HYGROSCOPIC MATERIAL | Feb 09, 22 | Apr 18, 24 | Not available |
| Upgrade to the Professional Level to view Top Owners for this Subclass.Learn More |
|---|
