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7632567 |
Micronized wood preservative formulations comprising copper and zinc
Use of micronized zinc compounds in wood preservation treatments containing micronized copper compounds significantly increases the efficacy of the treatment with respect to that of the copper...
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7427316 |
Tropolone complexes as wood preservatives
Complexes of tropolone and copper and/or zinc were solubilized in ammoniacal solution providing preservative solutions that fully penetrate wood. With loss of the ammonia from the wood, the...
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7297193 |
Wax-biocide wood treatment
A method for preserving wood by contacting wood with an aqueous composition comprising a paraffin wax, at least one nonionic surfactant, and at least one organic wood preservative.
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7264886 |
Water repellent compositions for wood preservatives
Water-based wax emulsions, optionally for use in conjunction with alkaline copper and/or quaternary ammonium based preservatives systems, are described. These emulsions are comprised of natural or...
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7175878 |
Cold antireflection layer deposition process
The invention concerns a method for making an antiglare stack by vacuum evaporation on an organic substrate ( 1 ) at a temperature lower than 150° C., comprising steps which consist in depositing...
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6821631 |
Method and composition for treating substrates
A method of treating substrates, such as wood, including the steps of applying an alkali silicate solution to one or more substrates and applying an alkali borate solution with boric oxide (B 2 O 3...
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6696102 |
Cellulose preservative method and apparatus
A method and apparatus for applying a fluid preservative to wood or wood products has a work tank for maintaining a predetermined concentration of preservative in the fluid. The work tank is...
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6641927 |
Soybean oil impregnation wood preservative process and products
A process for treating wood and wood products is disclosed. Wood is impregnated under pressure with soybean oil or a mixture of vegetable oils with soybean oil, which oil is caused to polymerize...
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6596063 |
Impregnated wood
The invention relates to the impregnation of wood by a solvent-free melt of modified natural resin which is solid at ambient temperature. Besides the modified natural resin, melts according to the...
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6503306 |
Composition for impregnating porous materials, preparation and use thereof
Composition for impregnating porous materials, in which the composition contains at lease one component having preservative properties or which release a component having preservative properties on...
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6348089 |
Compositions and process for the protective treatment of wood
Compositions for the protective treatment of wood against rot and attack by insects which comprise at least the following components: a) 10-90 parts of coal-tar oil b) 2-20 parts of a biocidally...
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6274199 |
Wood treatment process
A process for treating a wood substrate with a water-based formulation containing a wax in order to confer water repellency to the substrate comprising the steps of: (a) placing the substrate in...
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6235403 |
Process of treating wood with preservative
A wood treatment process is disclosed in which in one aspect the wood is impregnated with a waterborne preservative such as CCA at elevated temperature and pressure. The impregnated wood and excess...
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5824370 |
Process for treating wood
A process for treating wood involving impregnation of the wood with a preservative followed by the heat-fixation of the preservative in the wood using a pre-heated aqueous heat transfer fluid to...
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5783258 |
Method for treating lumber
A method for treating lumber using a treatment composition having white mineral oil. The lumber is submerged in the treatment composition at atmospheric pressure or at an elevated pressure. The...
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5652023 |
Fixation process for heat-fixable preservative treated wood
An improved process for the fixation of preservatives in wood is disclosed which initiates the fixation process in the fixation vessel by the application of sufficient pressure to substantially...
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5281439 |
Process for uniformly integrating a solid charge within a porous substrate
The process is particularly well suited to the manufacture of composite materials, where a fibrous reinforcement texture is to be impregnated by a densifying matrix, and comprises the steps of: ...
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4668539 |
Process for the preservation of wood products
The present invention relates to improvements in impregnated wood preserving processes utilizing naphthalene containing preservative agents comprising recovering that portion of the naphthalene...
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4542046 |
Impregnation tank for wood
The apparatus and the method for impregnation of wood. The apparatus has a closable tank which defines our interior space and comprises a vessel with at least one door for closing the vessel to...
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4464424 |
Concrete joint sealant plate and process for manufacturing thereof
A method for preparing a concrete joint sealant plate, comprising the steps of impregnating asphalt emulsion into fibrous plate under a reduced pressure and then drying it by means of a heating...
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4371572 |
Process for the treatment of wood
An improved process for the drying/coloring of wood is disclosed wherein the wood is contacted with a drying/coloring oil. At least the outer surface layer of the wood has a moisture content in...
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4364975 |
Method of and apparatus for producing asphalt saturated fiberboard
A tank having a hinged top and sealing means is provided with a series of heaters mounted on the inside of the front, rear and side walls and also the bottom of the tank. A rack containing...
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4323602 |
Water repellent and preservative for wood products
A combined water repellent and preservative for wood prepared in a concentrate for mixing with water and utilizing 3-iodo-2-propynyl butyl carbamate.
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RE30658 |
Apparatus for treating work pieces
An apparatus for treating work pieces in a closed space having a collapsible material. The treatment utilizes a period of subpressure and a period of pressure, in which cavities in the pieces are...
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4233929 |
Apparatus for the treatment of timber
An apparatus for the treatment of timber comprises a vessel having at least three chambers arranged in series for passage of the timber therethrough on conveyor belts or the like. There is means...
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4174412 |
Structures and structural members made wholly or partly of wood
A wooden part of a structure or structural member, e.g. a telegraph pole, that is exposed to the atmosphere is impregnated with wood preservative by a vacuum impregnation process. The exposed...
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4142009 |
Method of treating timber with composition having a colloidal pigment
An agent for stabilization of a decorative finish is incorporated in a timber preservative composition comprising a preservative e.g. fungicide, insecticide or fire retardant in an organic solvent...
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4062991 |
Treatment of wood
An agent for stabilization of a decorative finish is incorporated in a timber preservative composition comprising a preservative e.g., fungicide, insecticide or fire retardant in an organic solvent...
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3953642 |
Pressure sensitive recording sheet
A pressure sensitive recording sheet adapted for imaging under the pressure of a typewriter key or other writing instrument. The sheet comprises a ply of high surface area polyolefin fibers masking...
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3895138 |
Impregnation of wood and the like
A method of impregnating wood with preservatives in a treatment solution in which the wood and treating solution are subjected to a schedule including cycles of alternate phases of high pressures...
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3889020 |
Method for treating wood
This invention is directed to a method for producing and preserving very light colored wooden objects such as utility poles, fence posts and piling timbers. These wooden objects are treated under...
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3094431 |
Process of acetylating wood
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3061508 |
Wood preservation composition and method
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RE12707 |
Title is not available
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1006713 |
Title is not available
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1425878 |
Title is not available
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1006076 |
Title is not available
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0991200 |
Title is not available
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