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7217803 |
The present invention relates to azo dyes of formula (1) which are soluble in organic solvents, wherein R 1 is —CN, —COOR 5 , —CONR 6 R 7 or a heterocyclic ring, R 2 is unsubstituted or substituted alkyl, unsubstituted or substi...
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6905520 |
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...
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6645257 |
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 A(B) x (I), in which x is an integer from 1 to 8...
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6630002 |
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) ...
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6301829 |
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. Plan...
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5942008 |
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 a...
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5910623 |
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 finish...
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5847113 |
A process for preparing sulfo-containing copper phthalocyanine dyes having an absorption maximum λ max .≥605 nm comprises heating copper phthalocyanine with at least 15% strength oleum at about 50°-110° C. until the reaction product...
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5746778 |
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 effectiv...
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5567206 |
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 effecti...
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5501710 |
The novel copper phthalocyanine dyestuffs of the formula (I) ##STR1## in which CuPc represents a copper phthalocyanine radical, W represents branched or straight-chain C 9 -16 -alkylene, a represents 2 to 4, b represents 0 to 2,...
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5485685 |
There are available as chlorine base organic solvents for cleaning by vapor-defatting methylene chloride (CH 2 Cl 2 ), trichloro ethylene (CHClCCl 2 ), perchloroethylene (CCl 2 CCl 2 ), 1,1,1-trichloroethane (CH 3 CCl 3 ) and fl...
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5242464 |
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 ...
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5171328 |
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 f...
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4979960 |
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 con...
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4959076 |
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 st...
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4840637 |
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, the...
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4752297 |
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% ...
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4737154 |
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.
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4716060 |
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 R 1 , R 2 , and R 3 are sat...
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4713083 |
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 prepar...
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4648884 |
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 C 1 -C 4 monoalkyl ether of propylene glycol, or of but...
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4619665 |
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 partiall...
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4556625 |
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 i...
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4479825 |
Nonpigmented gelled wood stains are prepared from aniline dyestuffs, a solvent other than benzyl alcohol and dibenzylidene sorbitol as gellant therefor.
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4477282 |
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 dibenzyliden...
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4416069 |
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 ...
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4379073 |
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.
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4376141 |
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 th...
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4366627 |
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.
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4322211 |
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 a...
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4187072 |
Nonpigmented aromatic alcohol based gelled wood stains are prepared from aniline dyestuffs, benzyl alcohol as solvent and dibenzylidene sorbitol as gellant therefor.
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4141682 |
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 nuc...
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3959529 |
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 sur...
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3900615 |
Lumber and other wood products are impregnated with one or more additives such as preservatives, fire retardants, dyes, and the like, using a halogenated hydrocarbon solvent as the sole heat transfer medium and carrier by heating the woo...
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3877976 |
A process for the conditioning of porous materials, such as wood, with an impregnating agent comprised of an aqueous solution of free or partially free lignosulfonic acids, by treating the material therewith and then subjecting the treat...
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3839073 |
Method for producing wood having long lasting aesthetic value and resistance to wood destroying organisms comprises coloring the wood with a water dispersible coloring agent and preserving the wood with a water-soluble preserving agent s...
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3622380 |
Coloring of porous material by means of an aqueous solution of furfuryl alcohol, a catalyst selected from a compound of iron, nickel, cobalt, copper, zinc and cadmium, and a complexing agent. Specifically, inexpensive elm veneer is color...
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3542641 |
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3506657 |
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3445310 |
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3140913 |
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2964562 |
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2897040 |
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2867493 |
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2817594 |
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2813801 |
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2806759 |
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2772137 |
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2733236 |
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