ClassID:

47050

B27K3/22 - CPC Classification

Classification description:

Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process; Inorganic impregnating agents Compounds of zinc or copper

Recent Application in this class:
#1
20250303438
2025-10-02

PURGEABLE INJECTION APPARATUS FOR SPILL-FREE REPLENISHMENT OF EMBEDDED FOUNDATION PRESERVATION WRAPS

#2
20250214277
2025-07-03

Water and Quality Management of Oil-Based Wood Preservatives

#3
20250214276
2025-07-03

In-Process Drying for Oil Based Timber Treatment

#4
20250162188
2025-05-22

WOOD TREATMENT COMPRISING PHOSPHATES

#5
20250052736
2025-02-13

METHODS FOR DETERMINING A SOURCE OF WOOD PRODUCTS, WOOD PRESERVATIVE COMPOSITIONS, WOOD PRODUCTS, AND METHODS OF TREATING WOOD SUBSTRATES

#6
20240383002
2024-11-21

PURGEABLE INJECTION APPARATUS FOR SPILL-FREE REPLENISHMENT OF EMBEDDED FOUNDATION PRESERVATION WRAPS

#7
20240278455
2024-08-22

METHOD FOR PRODUCING COPPER CARBOXYLATE, A WOOD PRESERVATIVE COMPOSITION COMPRISING COPPER CARBOXYLATE, AND A WOOD PRODUCT PRODUCED THEREFROM

#8
20240206473
2024-06-27

Zinc and Boron Containing Enhanced Wood Preservative

#9
20240196901
2024-06-20

Zinc and Boron Containing Enhanced Wood Preservative

#10
20240123651
2024-04-18

MODIFICATION ARRANGEMENT FOR HYGROSCOPIC MATERIAL

#11
20240099303
2024-03-28

Wood preservative and method for producing same

#12
20230408486
2023-12-21

Wood Marking and Identification

#13
20230347547
2023-11-02

Treated Cellulosic Materials and Methods of Making the Same

#14
20230337680
2023-10-26

PENFLUFEN AS A WOOD PRESERVATIVE AGAINST WOOD-DESTROYING BASIDIOMYCETES

#15
20230150166
2023-05-18

METHOD FOR TREATING A WOOD SUBSTRATE

#16
20230034800
2023-02-02

Methods for enhancing the preservation of cellulosic materials and cellulosic materials prepared thereby

#17
20220332008
2022-10-20

Method for producing copper carboxylate, a wood preservative composition comprising copper carboxylate, and a wood product produced therefrom

#18
20220288808
2022-09-15

Enhanced performance of wood and engineered wood products using combined durability and flame retardancy

#19
20220000115
2022-01-06

Wood preservative and method for producing same

#20
20210352908
2021-11-18

METHOD OF PREPARING COPPER-CONTAINING WOOD PRESERVING COMPOSITIONS

#21
20210251222
2021-08-19

Preservative composition for wood based on modified lignin

#22
20210170624
2021-06-10

TREATED LAMINATED VENEER LUMBER AND METHOD OF MAKING SAME

#23
20210008755
2021-01-14

Methods for enhancing the preservation of cellulosic materials and cellulosic materials prepared thereby

#24
20200282592
2020-09-10

SOLVENT-BORNE WOOD PRESERVATIVE COMPOSITIONS

#25
20200139574
2020-05-07

Enhanced performance of wood and engineered wood products using combined durability and flame retardancy

#26
20200080986
2020-03-12

WOOD MARKING AND IDENTIFICATION

#27
20200056397
2020-02-20

ENGINEERED RANCH RAIL FENCING

#28
20200047370
2020-02-13

Methods for enhancing the preservation of cellulosic materials and cellulosic materials prepared thereby

#29
20190255730
2019-08-22

SUBMICRON PARTICLE COMPOSITIONS

#30
20190246643
2019-08-15

WOOD PRESERVATIVE AND METHOD FOR PRODUCING SAME

#31
20190246642
2019-08-15

WOOD PRESERVATIVE AND METHOD FOR PRODUCING SAME

#32
20190246641
2019-08-15

Wood preservative and method for producing same

#33
20190184597
2019-06-20

Stable wood preservative formulations

#34
20190152093
2019-05-23

METHODS FOR IMPROVED COPPER PENETRATION IN WOOD

#35
20190150453
2019-05-23

Penflufen as a wood preservative against wood-destroying basidiomycetes

#36
20190099913
2019-04-04

Wood pigment compositions and wood treatment processes

#37
20190090493
2019-03-28

Method of preparing copper-containing wood preserving compositions

#38
20190030748
2019-01-31

COMPOSITIONS AND METHODS FOR TREATING CELLULOSE-BASED MATERIALS WITH MICRONIZED ADDITIVES

#39
20190021332
2019-01-24

MICRONIZED WOOD PRESERVATIVE FORMULATIONS

#40
20190016009
2019-01-17

WOOD TREATMENT METHOD

#41
20180317486
2018-11-08

WOOD PRESERVATIVE AND METHOD FOR PRODUCING SAME

#42
20180257256
2018-09-13

UV-STABLE AND SUPERHYDROPHOBIC WOOD SURFACE

#43
20180242588
2018-08-30

BIOCIDAL MIXTURES

#44
20180027820
2018-02-01

Controlled release, wood preserving composition with low-volatile organic content for treating in-service utility poles, posts, pilings, cross-ties and other wooden structures

#45
20170360042
2017-12-21

MICRONIZED WOOD PRESERVATIVE FORMULATIONS IN ORGANIC CARRIERS

#46
20170320230
2017-11-09

Wood preservative formulation

#47
20170266838
2017-09-21

Methods for enhancing the preservation of cellulosic materials and cellulosic materials prepared thereby

#48
20170266837
2017-09-21

WOOD MARKING AND IDENTIFICATION

#49
20170251661
2017-09-07

Additives for use in wood preservation

#50
20170238549
2017-08-24

MICRONIZED WOOD PRESERVATIVE FORMULATIONS

#51
20170168038
2017-06-15

Wood marking and identification

#52
20170152439
2017-06-01

Nanoparticles, Nanosponges, Methods of Synthesis, and Methods of Use

#53
20170135350
2017-05-18

Controlled release, wood preserving composition for treating in-service utility poles, posts, pilings, cross-ties and other wooden structures

#54
20170087739
2017-03-30

TREATMENT OF HARDWOOD ARTICLES WITH COPPER AND/OR ZINC WOOD PRESERVATIVES

#55
20160369109
2016-12-22

Controlled release, wood preserving composition with low-volatile organic content for treating in-service utility poles, posts, pilings, cross-ties and other wooden structures

#56
20160325458
2016-11-10

Compositions and methods for treating cellulose-based materials with micronized additives

#57
20160316754
2016-11-03

WOOD PRESERVATIVE

#58
20160286793
2016-10-06

ADDITIVES FOR USE IN WOOD PRESERVATION

#59
20160046036
2016-02-18

Composition of a timber formulation comprising Cu salts and organic cyclic ingredients for the preservation of timber for decks

#60
20150361275
2015-12-17

Controlled release, wood preserving composition with low-volatile organic content for treatment in-service utility poles, posts, pilings, cross-ties and other wooden structures

#61
20150314471
2015-11-05

Wood preservative composition

#62
20150140326
2015-05-21

Compositions and methods for treating cellulose-based materials with micronized additives

#63
20140242404
2014-08-28

Additives for use in wood preservation

#64
20140234648
2014-08-21

Micronized wood preservative formulations

#65
20140193634
2014-07-10

Compositions and methods for treating cellulose-based materials with micronized additives

#66
20140178629
2014-06-26

Functionalized and multifunctional composite material, method and applications

#67
20140079806
2014-03-20

Penflufen as a wood preservative against wood-destroying basidiomycetes

#68
20140031424
2014-01-30

Reduced drying carrier formulation

#69
20130230575
2013-09-05

Particulate wood preservative and method for producing the same

#70
20130059014
2013-03-07

Anilide-based compounds for preserving wood and method of use thereof

#71
20130022829
2013-01-24

OIL BORNE WOOD PRESERVING COMPOSITION FOR TREATMENT OF POLES, POSTS, PILING, CROSSTIES AND OTHER WOODED STRUCTURES

#72
20130017404
2013-01-17

TREATMENT OF HARDWOOD ARTICLES WITH COPPER AND/OR ZINC WOOD PRESERVATIVES

#73
20130017271
2013-01-17

Micronized copper-containing compositions useful to mitigate residues on wood surfaces

#74
20120128791
2012-05-24

Ammoniacal copper zinc arsenate concentrates and methods of preparation

#75
20120021222
2012-01-26

Carbon-encased metal nanoparticles and sponges as wood/plant preservatives or strengthening fillers

#76
20110256238
2011-10-20

WOOD PRESERVATIVE AND WOOD PROCESSING METHOD

#77
20110250358
2011-10-13

Micronized wood preservative formulations in organic carriers

#78
20110236707
2011-09-29

Compositions and methods for treating cellulose based materials with micronized additives

#79
20110159301
2011-06-30

WOOD TREATMENT AND TREATED WOOD

#80
20110091575
2011-04-21

STRATEGIES FOR REDUCING LEACHING OF WATER-SOLUBLE METAL BIOCIDES FROM TREATED WOOD PRODUCTS

#81
20100303927
2010-12-02

Composition and method for incorporating colorant into wood

#82
20100119818
2010-05-13

Compositions and methods for treating cellulose-based materials with micronized additives

#83
20100062166
2010-03-11

Preservative compositions for wood and like materials

#84
20090293761
2009-12-03

Composition for wood treatment comprising an injectable aqueous wood preservative slurry having sparingly-soluble biocidal particles and pigments

#85
20090280185
2009-11-12

Particulate wood preservative and method for producing the same

#86
20090223408
2009-09-10

Use of Sub-Micron Copper Salt Particles in Wood Preservation

#87
20090211487
2009-08-27

Wood preservative composition

#88
20090203643
2009-08-13

Micronized copper-containing compositions useful to mitigate residues on wood surfaces

#89
20090162410
2009-06-25

Process for preparing fine particle dispersion for wood preservation

#90
20090158961
2009-06-25

Wood preservative compositions

#91
20090143478
2009-06-04

Milled Submicron Organic Biocides With Narrow Particle Size Distribution, and Uses Thereof

#92
20090123505
2009-05-14

Method of preserving wood by injecting particulate wood preservative slurry

#93
20090098033
2009-04-16

Carbon-Encased Metal Nanoparticles and Sponges, Methods of Synthesis, and Methods of Use

#94
20090092683
2009-04-09

Micronized Wood Preservative Formulations

#95
20090035564
2009-02-05

Micronized wood preservative formulations

#96
20090028917
2009-01-29

Micronized Wood Preservative Formulations

#97
20080286380
2008-11-20

Micronized wood preservative formulations

#98
20080260841
2008-10-23

Micronized wood preservative formulations

#99
20080253984
2008-10-16

Methods of inhibiting the growth of onychomycosis and urushiol-induced allergic contact dermatitis

#100
20080210121
2008-09-04

Micronized wood preservative formulations

#101
20080199525
2008-08-21

Micronized wood preservative formulations

#102
20080166481
2008-07-10

Ammoniacal borate and zinc compositions, and methods for treating wood products

#103
20080131666
2008-06-05

Penetration improvement of copper amine solutions into dried wood by addition of carbon dioxide

#104
20080072791
2008-03-27

Wood treatment method

#105
20080069978
2008-03-20

Amino acid-solubilized borate, silicate and zinc compositions and methods for treating wood products

#106
20080035884
2008-02-14

METHOD OF MANUFACTURING A WOOD PRESERVATIVE COMPOSITION

#107
20080026152
2008-01-31

Process for post-treatment of amine-based preservative-treated wood

#108
20070227399
2007-10-04

COMPOSITIONS AND METHODS FOR THE PRESERVATION OF WOOD

#109
20070212326
2007-09-13

POLYQUATERNARY ORGANOSILICON COMPOUNDS-CONTAINING COMPOSITION

#110
20070207076
2007-09-06

Method of preparing metal-containing wood preserving compositions

#111
20070193473
2007-08-23

Micronized wood preservative formulations

#112
20070169664
2007-07-26

Ibuprofen complexes as wood preservatives

#113
20070163466
2007-07-19

Tungstate and molybate wood preservatives

#114
20070163465
2007-07-19

Metal salts of hydrolyzed olefin/maleic anhydride copolymers and their use as wood preservatives

#115
20070157847
2007-07-12

Tropolone complexes as wood preservatives

#116
20070151476
2007-07-05

Solution for wood preservation

#117
20070110908
2007-05-17

METHOD OF PRESERVING WOOD

#118
20070006771
2007-01-11

Wood preservative composition and wood treatment method

#119
20060288904
2006-12-28

Micronized wood preservative compositions

#120
20060251915
2006-11-09

Long-chain quaternary ammonium compounds as wood treatment agents

#121
20060216267
2006-09-28

Hydrophobic elastomeric polymer chemistry device for inhibiting the growth of onychomycosis and urushiol-induced allergic contact dermatitis

#122
20060189497
2006-08-24

Wood preservative

#123
20060162611
2006-07-27

Inhibition of calcium and magnesium precipitation from wood preservatives

#124
20060112850
2006-06-01

Micronized wood preservative formulations in organic carriers

#125
20060086841
2006-04-27

Milled submicron organic biocides with narrow particle size distribution, and uses thereof

#126
20060086284
2006-04-27

Non-alkaline micronized wood preservative formulations

#127
20060078686
2006-04-13

Penetration of copper-ethanolamine complex in wood

#128
20060075923
2006-04-13

Method of manufacture and treatment of wood with injectable particulate iron oxide

#129
20060062926
2006-03-23

Use of sub-micron copper salt particles in wood preservation

#130
20060011094
2006-01-19

Wood preservative composition

#131
20050265893
2005-12-01

Compositions and methods for treating cellulose-based materials with micronized additives

#132
20050255251
2005-11-17

Composition, method of making, and treatment of wood with an injectable wood preservative slurry having biocidal particles

#133
20050252408
2005-11-17

Particulate wood preservative and method for producing same

#134
20050227956
2005-10-13

Control of mold growth on wood

#135
20050152994
2005-07-14

Composition and process for coloring and preserving wood

#136
20050126430
2005-06-16

Building materials with bioresistant properties

#137
20050118280
2005-06-02

Micronized wood preservative formulations

#138
20050107467
2005-05-19

Methods for producing and using a Cu(I)-based wood preservative

#139
20050037221
2005-02-17

Penetration improvement of copper amine solutions into dried wood by addition of carbon dioxide

#140
20050008670
2005-01-13

Material and method for treatment of timber

#141
20050003190
2005-01-06

Reactive oil/copper preservative systems for wood products

#142
20050000387
2005-01-06

Wood preservative with alkaline copper quaternary