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Class 427/440 - Wood base


Subclass of Class 427 - Coating processes
Definition: Processes wherein the base material is derived from the
No. of patents: 283
Last issue date: 05/08/2012


1                
NumberTitleIssue Date
8173224Impregnation process
The invention relates to a process for impregnating wood or wood based material. A working solution is preheated to a temperature above the atmospheric boiling point (“a super hot temperature”) above the atmospheric boiling point (“a super hot temperature”) ...
05/08/2012
7993709Process for treating lignocellulosic material, and apparatus for carrying out the same
A process for treating lignocellulosic material, such as wood for example, the process including the steps of: a) providing lignocellulosic material; b) evaluating parameters of the lignocellulosic material; c) preparing the lignocellulosic material; d) heating the ...
08/09/2011
7838081Liquor that avoids the apparition of stains produced by fungi in lignocellulosic materials such as wood
Treatment process of wood and lignocellulosic materials with an aqueous liquid that contains alkaline oxalate and benzoate, which, in contact with humid or dry wood, avoids the formation of the blue stain and stains of other colors produced by fungi. This way it avo...
11/23/2010
7674500Process for preserving wood using fluoro-materials
A process for treating wood comprising at least partially penetrating it with a urethane- or acrylate-based fluoro-material. Also, wood produced by the process. ...
03/09/2010
7655281Method of protecting wood through enhanced penetration of wood preservatives and related solution
A method of protecting wood through enhanced penetration of wood preservatives includes providing a solution including (a) at least one amine oxide, (b) at least one organic wood preservative and (c) a buffering agent. The solution preferably has a pH of about 7 to ...
02/02/2010
7427316Tropolone 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 complexes were stably retained in the wood providing a long lasting preserva...
09/23/2008
RE40517Enhancing the strength, moisture resistance of wood, timber, lumber, similar plant-derived construction and building materials, and other cellulosic material
Materials variously treated with sodium silicate were studied until enough information was obtained to find a way to solve the problems that have prevented sodium silicate from being the used as a fire retardant. These problems are: 1) water solubility (miscible wit...
09/23/2008
7381473Furan polymer impregnated wood
A furan polymer impregnated wood which comprises wood impregnated with a polymerizable furfuryl alcohol monomer mixture containing at least furfuryl alcohol, stabilizing co-solvent water, and an initiator selected from the group consisting of anhydrides, acids and c...
06/03/2008
7300705Methods for esterifying hydroxyl groups in wood
Methods for esterifying hydroxyl groups in cellulose, hemicellulose, and lignin in wood are described, wherein the wood is chosen from loblolly, slash, shortleaf, longleaf or radiata pines. Methods can include solvent drying techniques and heating provided by electr...
11/27/2007
7297411Process of using sodium silicate to create fire retardant products
Wood products, specifically wood commonly used in construction including dimension lumber, pressure treated pine, composite wood materials such as plywood, particle board, and wafer board, and samples of paper and fabric were variously treated with concentrations of...
11/20/2007
7291215Coating liquid for forming porous silica
The coating liquid for forming porous silica according to the present invention is characterized by preferably containing a partial hydrolysis-condensation product of an alkoxysilane compound, a surfactant and an organic ampholyte, and by having a metal content of n...
11/06/2007
7267714Preservative compositions for wood products
Preservative compositions for wood products are described. The compositions include at least one boron-containing material, such as but not limited to boric anhydride, and at least one silane-containing material, such as but not limited to methyltrichlorosilane. Opt...
09/11/2007
7264886Water 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 synthetic wax, nonionic surfactants having HL B values greater than 1...
09/04/2007
7252706Inhibition of calcium and magnesium precipitation from wood preservatives
A wood preservative that contains a copper salt complex and a precipitation inhibitor is provided. The wood preservative may contain copper carbonate, an alkanolamine such as monoethanolamine and precipitation inhibitor such as a phosphonate or ethylene diamine comp...
08/07/2007
7217750Process for incorporating one or more materials into a polymer composition and products produced thereby
The present invention relates to various processes that utilize one or more supercritical fluids to disperse various inorganic and organic materials, including crystalline materials, into polymeric compositions, substrates or pre-formed articles without the utilizat...
05/15/2007
7205052Microbiological abatement coating system
A wood product is made from treating wood with two solutions, in series, including a penetrating solution and a topcoat composition. The penetrating solution is made up of boric acid, a metallocene catalyst, a free radical initiator, a first film-forming polymer and...
04/17/2007
7198663Wood preservative composition
An aqueous wood preservation composition containing inorganic polymers of one or more of the following metals is disclosed; aluminum (approximately 3.8%–7.0% as Al2O3), zirconium (approximately 5.25%–9.1% as ZrO2), copper (approx...
04/03/2007
7195823Delivery system for supplemental wood preservative and/or metal corrosion inhibition treatment
The present invention comprises a porous pad impregnated with wood preservative(s) and/or metal corrosion inhibitor(s) to which future maintenance treatments can be applied. These pads are designed to be placed within joints of wood, metal or combinations thereof fo...
03/27/2007
7192490Method for treating and extracting cork organic compounds, with a dense fluid under pressure
Process for the treatment of cork or a cork-based material particularly with a view towards extracting contaminating organic compounds, in which said cork or said cork-based material is put into contact with a dense fluid under pressure at a temperature of from 10 t...
03/20/2007
7179327Wood treatment process and chemical composition
Treatment and preservation of wood, wood fiber products, and porous surfaces with a stabilized solution of periodic acid or iodic acid is provided. ...
02/20/2007
7160606Method of treating building materials with boron and building materials
A method of treating building materials with boron and boron treated building materials. The method involves introducing boron during manufacture of the building materials in the form of a water soluble copper-borate complex. The copper-borate complex enables a wide...
01/09/2007
7157120Method for treating wood having a high extractive content
A method for treating wood having a high extractive content is disclosed. The method generally comprises applying to the wood a coating comprising a water-based polyurethane dispersion and a crosslinker. The dispersion can be cured and one or more additional coating...
01/02/2007
7156906Impregnating agent
The present invention relates to an impregnating agent for wood against fungi which will break down the cellulose and lignin in the wood. The impregnating agent comprises a mixture of potassium diformate and propionic- and/or acetic- and/or benzoic acid and/or a fix...
01/02/2007
7128778Preservative compositions for wood products
Preservative compositions for wood products is described. The compositions include at least one boron-containing material, such as but not limited to boric anhydride, and at least one silane-containing material, such as but not limited to methyltrichlorosilane. Opti...
10/31/2006
7128948Sprayed preforms for forming structural members
A preform and method for forming preforms and structural members are provided. The preform can be formed by cold spraying a structural material onto a base member, such that the preform has dimensions approximating the dimensions of the machined structural member to...
10/31/2006
7118621Organo-functional polysiloxanes
The present invention relates to an organo-functional polysiloxane of formula (1) wherein each R1 is independently selected from alkyl or aryl radicals, each R2 is independently selected from hydrogen, alkyl or aryl radicals, n is selected so t...
10/10/2006
7074459Method for preserving wood
A method for preserving wood which comprises contacting the wood with a complex of a cationic monomeric or polymeric biocide and an anionic monomeric or polymeric biocide. Insoluble complexes may solubilized in water in the form of an emulsion or microemulsion by ad...
07/11/2006
7045080Intumescent ceramic fire retardant coating containing intumescent ceramic particles
A fire retardant, intumescent, ceramic coating composition comprising an aqueous ceramic intumescent binder, intumescent ceramic particles, mineral fibers and a wetting agent is described. The intumescent ceramic binder comprises a mixture of a liquid alkali metal s...
05/16/2006
7015254Description of an inorganic polymer “electret ”in a colloidal state along with the method of generating and applications
The present invention includes an apparatus for generating an inorganic polymer electret in a colloidal state, the inorganic electret in a colloidal state itself, and applications for the inorganic electret in a colloidal state. The invention includes a method for g...
03/21/2006
7008984Furan polymer impregnated wood
A furan polymer impregnated wood which comprises wood impregnated with a polymerizable furfural alcohol monomer solution containing at least water, stabilizers, and furfuryl alcohol, and at least one further compound selected from the group consisting of anhydrides,...
03/07/2006
6978724Copper complexes and their use as wood preservatives
This invention relates to copper complexes that significantly reduce the decay of wood, cellulose, hemicellulose, and lignin caused by fungi. A process for treating such materials with these copper-containing anti-fungal agents is also disclosed. ...
12/27/2005
6960669Utilization of phosphorus pentasulfide in thionylations using phase transfer catalysis
A method is disclosed for the preparation of benzo[b]thiophenecarbodithioic esters of the formula: wherein R is alkyl, R1 is hydrogen, halogen, or alkyl, R2, R3, R4, and R
11/01/2005
6949160Removable protective coating method and apparatus
Extrusion coating of a removable thermoplastic material onto freshly painted (non-fully cured paint) surfaces has been found to be an effective method for providing protection against damage during handling, and blocking during stacking, enabling handling of the sub...
09/27/2005
6933016Method of increasing latent heat storage of wood products
The heat storage capacity of natural cellulosic products is increased by injecting nucleating products and/or heat storing material into unfilled cells thereby increasing the amount of material that can undergo phase change for transferring latent heat. ...
08/23/2005
6916507Aqueous water repellent for substrate treatment, making method, preparation of modified plywood or modified laminated veneer lumber, and preparation of wooden fiberboard
An aqueous water repellent useful in the treatment of substrates of lignocellulose-origin materials or the like is characterized by comprising the product of co-hydrolytic condensation of (A) 100 parts by weight of an organosilicon compound having the formula:
07/12/2005
6905520Mineral 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
6844081Microbiological abatement coating system
A wood product is made from treating wood with two solutions, in series, including a penetrating solution and a topcoat composition. The penetrating solution is made up of boric acid, a metallocene catalyst, a free radical initiator, a first film-forming polymer and...
01/18/2005
6681820Process for the manufacturing of joining profiles
A process for the manufacturing of longitudinal profiles such and tongue and groove on boards wherein the process includes the steps; a) Moulding a substantial part of the profile cross-section by means of milling with a milling tool. b) Fine moulding ...
01/27/2004
6652921Wood containing fixed sorbic acid or sorbic acid salts
The present invention relates to wood which contains a sorbic acid store and to processes for producing the sorbic acid store in the wood or on the surface of the wood. The present invention also relates to a process for using sorbic acid and its salts fo...
11/25/2003
6641927Soybean 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 within the wood. The polymerized oil is effectively fixed wi...
11/04/2003
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