Class 8/402 - WOOD DYEING PROCESS

Subclass of Class 8 - Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers
Definition: Process for dyeing wood.
No. of patents: 40
Last issue date: 09/14/2010

Number	Title	Issue Date
7794508	Methods for producing colored glue-laminated bamboo timber articles A method for producing colored gluelam bamboo articles includes splitting bamboo stalks into strips and removing the tabasheer and bamboo rind from the strips. The strips are steamed and then dyed under a high-pressure. The dyed bamboo strips are then dried and plan...	09/14/2010
7537619	Method and system for the treatment of wood A method and a system for treating betula wood to change the coloration thereof to resemble that of Cherry wood or heartwood of birch is described. The betula wood is introduced in treatment chamber which is under atmospheric pressure. Hot steam from a...	05/26/2009
7322815	System for the production of composite material slabs The invention relates to a system for the production of slabs of composite material characterized by a particular unloading system of the material from the mixers (1, 2) to a homogenizing disc (7) so as to provide a constant, homogeneous composition of...	01/29/2008
7288201	Methods for removing moisture from hydrogen halides A composition comprising a magnesium halide coated macroporous carbonaceous substrate is provided for effecting moisture removal from a hydrogen halide fluid. Moisture removal is effected by intimately contacting the hydrogen halide fluid with the magnesium halide c...	10/30/2007
7217803	Benzimidazole-pyridone-based azo dyes The present invention relates to azo dyes of formula (1) which are soluble in organic solvents, wherein R1 is —CN, —COOR5, —CONR6R7 or a heterocyclic ring, R2 is unsubstituted or substituted alkyl, unsubst...	05/15/2007
7019053	Stabilizer mixtures A stabilizer mixture containing A) for example at least one compound of the formula (I) wherein the radicals R1, independently of one another, are hydrogen, C1–C8alkyl, �...	03/28/2006
6918958	Acid pigment dispersants and pigment preparations The invention relates to pigment dispersants of the formula (I), and to pigment preparations including at least one organic pigment and at least one pigment disperant of the formula (I): wherein Q1, R1	07/19/2005
6905520	Mineral stains for wood and other substrates According to the invention, a metal salt and an oxygen source are applied to penetrate or impregnate a suitable substrate sequentially in effective amounts so as to react in contact with the substrate and produce a mineral compound fixed within the surface of the su...	06/14/2005
6645257	Process for pigmenting wood A process for pigmenting wood, which comprises treating wood in succession: a) with a solution comprising from 0.01 to 80% by weight, based on the solution, of a compound of the formula or in water or an organic solvent or in a single-phase mixture thereof,...	11/11/2003
6630002	Process for the staining of wood with aqueous wood stains The present invention relates to a process for the staining of wood, which comprises treating the unstained wood with an aqueous preparation comprising a) at least one dye, and b) at least one dye stabilizer of the formula (I) or (II) ##STR1## ...	10/07/2003
6301829	Landscaping dressing and method A landscaping dressing for application to spread mulch, pine needles, and similar natural fiber soil covering comprising a blend of linseed oil and soybean oil. The dressing will restore faded mulch and reduce fading of fresh mulch. Plant derived oils suc...	10/16/2001
5942008	Method of dyeing wood veneer at elevated temperatures and pressures The present invention relates to a method for dyeing wood veneer. The veneer is immersed in a dye bath. The dye is preferably heated to speed up penetration times. The dye bath containing the veneer is then put into pressurized chamber and pressurized to ...	08/24/1999
5910623	Mixtures of sulfo-containing 1:2 metal complexes with vinyl polymers Liquid or solid mixtures of low-salt sulfo-containing 1:2 metal complex dyes and poly-N-vinylpyrrolidone or copolymers of N-vinylpyrrolidone and vinyl acetate are especially useful for dyeing paper and wood and also for dyeing and finishing leather and fu...	06/08/1999
5847113	Preparation of sulfo-containing copper phthalocyanine dyes A process for preparing sulfo-containing copper phthalocyanine dyes having an absorption maximum λmax.ࣙ605 nm comprises heating copper phthalocyanine with at least 15% strength oleum at about 50°-110° C. until the reaction product has a ...	12/08/1998
5746778	Wood stain containing a stabilizing agent A wood stain which is water-based, which is suitable for staining wood, and which is comprised of water; at least one dye selected from the group consisting of azo, diazo and triarylmethane dyes; and a stabilizing agent which is effective to reduce free i...	05/05/1998
5567206	Stain and method for staining wood A wood stain which is water-based, which is suitable for staining wood, and which is comprised of water; at least one dye selected from the group, consisting of azo, diazo and triarylmethane dyes; and a stabilizing agent which is effective to reduce free ...	10/22/1996
5501710	Copper phthalocyanine dyestuffs and their use The novel copper phthalocyanine dyestuffs of the formula (I) ##STR1## in which CuPc represents a copper phthalocyanine radical, W represents branched or straight-chain C9-16 -alkylene, a represents 2 to 4, b represents 0 to 2, and the sum of a and b...	03/26/1996
5485685	Wood treating method There are available as chlorine base organic solvents for cleaning by vapor-defatting methylene chloride (CH2 Cl2), trichloro ethylene (CHCl.dbd.CCl2), perchloroethylene (CCl2 .dbd.CCl2), 1,1,1-trichl...	01/23/1996
5242464	Method of bleaching wood This invention relates to a method for a single application of wood bleach that improves the degree of whiteness, uniformity and depth of bleaching in the wood. The method includes the application of sufficient quantities of wood bleach to maintain an exc...	09/07/1993
5171328	Stabilizer-containing wood stains Wood stains contain in addition to a colorant and a solvent at least one stabilizer against the action of light, oxygen and heat on the wood treated with the wood stain, said stabilizer containing at least one structural element of the formula I ##ST...	12/15/1992
4979960	Apparatus for and method of coloring wood by-products An apparatus and method for coloring aggregate wood material by directing a flow of material onto vertically spaced, perforate conveyors with each conveyor served by conduits discharging curtains of liquid dye. A drive system for the conveyors includes th...	12/25/1990
4959076	Synthetic rosewood and method of production thereof A process of treating wood of the genus Juglans to change its color completely and throughout its entire structure and substance so as to produce a product with a color consisting of various shades of dark brown with conspicuous black streaks which duplic...	09/25/1990
4840637	Synthetic ebony and method of producing the same (I) A process of treating wood of the genus Juglans to change its color completely and throughout its entire structure and substance so as to produce a jet black product with bronze highlights which duplicates the color of natural ebony, thereby providing a h...	06/20/1989
4752297	Process for coloring wood with iron salt in water A process for coloring wood whereby the resulting color will not change or substantially fade upon exposure to long term environmental weathering, which process comprises contacting the wood with an aqueous solution containing 0.01%-10% of an iron salt de...	06/21/1988
4737154	Chemical process for the coloration of wood in a basic aqueous medium An attractive, decorative naturally-appearing stained color can be given to wooden members by contacting the wood with a basic aqueous medium at elevated temperatures....	04/12/1988
4716060	Water proofing and preservative methods The coating of surfaces to impart gloss and protect from weathering, and the use of solvents in paint formulations, are disclosed; the following being exemplary: Compounds having the formula: ##STR1## wherein R1, R2, and R3...	12/29/1987
4713083	Alcoholic solution of sulphonic acid-containing copolymer dyed with basic dye A coloring material comprising a solution of an alcohol-soluble resin having a sulfonic acid group or a salt thereof, which is dyed with a basic dye, in a solvent comprising an alcohol as a main component. The coloring material is prepared either by (a) p...	12/15/1987
4648884	Solutions of anionic dyes with alkylene glycol mono-alkyl ethers The invention relates to aqueous/organic or purely organic solutions of anionic dyes, the principal feature of which solutions is that they contain the dye or dyes, dissolved in a C1 -C4 monoalkyl ether of propylene glycol, or of but...	03/10/1987
4619665	Sheet containing heat transferable dye and selective blocking agent for heat transfer printing Transfer sheets are provided which include a polyethylene imine as a blocking agent and which are useful in the heat transfer dye printing of various materials such as textiles. The polyethylene imine is capable of completely or partially blocking the tra...	10/28/1986
4556625	Development of a colored image on a cellulosic material with monosulfonyl azides The present invention discloses a method of photolytically developing a colored image on a cellulosic material. In this method, the material is contacted with a nitrogen containing polymer in solution and a mono-sulfonyl azide compound in solution. The sa...	12/03/1985
4479825	Gelled nonpigmented wood stains Nonpigmented gelled wood stains are prepared from aniline dyestuffs, a solvent other than benzyl alcohol and dibenzylidene sorbitol as gellant therefor....	10/30/1984
4477282	Nonpigmented wood stains Nonpigmented wood stains suitable for use on unprimed hardwood surfaces are prepared from aniline dyestuffs and a solvent by the addition of cellulose ethers thereto. In a preferred embodiment the stains additionally contain dibenzylidene sorbitol as a ge...	10/16/1984
4416069	Enhancement of color quality of lumber during drying A process for darkening wood and thereby enhancing its surface characteristics is disclosed wherein wet wood is dried to about 6 percent moisture content in steam generated from the wood itself at temperatures from 215° to 320° F. and pressures from 15 ...	11/22/1983
4379073	Composition for wood treatment A chemical composition is provided for preservation of wood from rot and the elements whereby the final wood is finished to a brown color wherein said brown color is color fast for several years....	04/05/1983
4376141	Process for coloring maple wood and maple veneer A chemical mixture containing 40% by weight of sugar in water, approximately 0.4% by weight of a shading agent such as strontium nitrate and approximately 0.06% by weight of a stabilizing agent such as potassium chromate is applied to the surface of hard ...	03/08/1983
4366627	Process for the treatment of wood A process for the treatment of wood is disclosed wherein the wood is contacted with an oil mixture in order to dry/color the wood. The mixture comprises both low and high boiling oils....	01/04/1983
4322211	Development of color in wood with aminobenzenesulfonyl azides The present invention discloses a method of photolytically developing a walnut wood color on a wood sample. The sample is contacted with a salt of an aminobenzenesulfonyl azide. The sample is thereafter exposed to a light source for an amount of time suff...	03/30/1982
4187072	Gelled nonpigmented wood stains Nonpigmented aromatic alcohol based gelled wood stains are prepared from aniline dyestuffs, benzyl alcohol as solvent and dibenzylidene sorbitol as gellant therefor....	02/05/1980
4141682	Transfer dyeing with 1-hydroxy-2-alkyl-4-anilino anthraquinone dyes A process for the transfer color printing of synthetic textile materials wherein the dyestuff used is a 1-hydroxy-2-(optionally substituted) lower alkyl-4-anilinoanthraquinone optionally having from 1 to 3 substituents in the anilino nucleus. Preferably t...	02/27/1979
3959529	Wood treating process A method for producing clean surface treated wood by subjecting the wood, containing the treating agent and its carrier, to steaming under pressure thereby to cause the solvent in the atmosphere about the wood to condense on the wood surface during the st...	05/25/1976

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Class 8/402 - WOOD DYEING PROCESS