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6339116 |
Methods of fabricating cross-linked biobased materials and structures fabricated therewith
Biobased cross-linked compositions, methods of fabrication and structures, in particular biobased printed wiring boards using the compositions and methods of making the structures are described....
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5770319 |
Densification of lignocellulosic material
The invention comprises a method of densifying lignocellulosic material such as wood. The wood is impregnated with a maltodextrin solution under vacuum and/or pressure and the maltodextrin is then...
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5502088 |
Wood substitute based on lignocellulosic and inorganic materials, method for obtaining the same and use
This invention refers to a wood substitute with lignocellulosic and mineral material particles which are molded in sheet, e.g. plates and/or panels in different thicknesses or forms in stencil at...
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5115084 |
Method for controlling oil reservoir permeability using biomass oil
A method for controlling the permeability of a petroleum-bearing subterranean formation including the steps of producing from biomass, a water-insoluble viscous biomass oil, and injecting the...
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5034498 |
Method and apparatus for producing water-soluble resin and resin product made by that method
A method and apparatus for producing water-soluble resin and a resin product made by that method, the method including the steps of supplying a volume of an acidic pyrolysis oil, raising the pH of...
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4828643 |
Liquified cellulosic fiber, resin binders and articles manufactured therewith, and method of manufacturing same
A method of manufacturing a liquified fiber-phenol-formaldehyde resin includes heating a mixture of phenol, formaldehyde, liquified cellulosic fiber and alkali at a temperature of 60° C. to 100°...
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4597928 |
Method for fiberboard manufacture
Disclosed in accordance with the invention is a method for fiberboard manufacture comprising the steps of steaming and grinding woodchips to obtain a wood pulp, using said wood pulp to prepare a...
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4514532 |
Modified phenol-formaldehyde resin and the production thereof
A modified phenol-formaldehyde binding resin is particularly useful in the formation of man-made boards including bonded fibers, fibrous particles, and a plurality of uniformly, or randomly shaped...
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4508886 |
Method for making adhesive from biomass
A method is described for making adhesive from biomass. A liquefaction oil is prepared from lignin-bearing plant material and a phenolic fraction is extracted therefrom. The phenolic fraction is...
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4469858 |
Tree foliage extracts and their use in phenol-aldehyde resins
Tree foliage extracts, their extraction processes, and the use of such extracts in formulating resins suitable for use in plywood adhesives and as wood bonding agents.
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4383089 |
Process for the production of polyepoxy silicate resin
Alkali metal aldehyde lignin-cellulose silicate polymers are reacted chemically with an epihalohydrin compound to produce a polyepoxy silicate resin; the polyepoxy silicate resin may be cured by a...
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4382136 |
Process for the production of polyhydroxy lignin-cellulose silicate polymer
An alkali metal broken-down plant silicate polymer is reacted with a Lewis acid and an epoxide compound to produce a polyhydroxy lignin-cellulose polymer which may be reacted with polyisocyanates...
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4376173 |
Process for the production of polyepoxy silicate resins
Alkali metal aldehyde lignin-cellulose silicate polymers are reacted chemically with an epihalohydrin compound to produce a polyepoxy silicate resin; the polyepoxy silicate resin may be cured by a...
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4337193 |
Preparation of hardened tall oil pitch
Additives to tall oil pitch react to cause crosslinking which improves hardness, viscosity, tackiness, etc., properties of the modified pitch. Additives include for example maleic anhydride, wood...
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4226982 |
Process to break down cellulose polymers and produce cellular solid or solid reaction products
Small particles of cellulose-containing plants are mixed with an alkali metal hydroxide, such as lye flakes, in the ratio of about 2 parts by weight of the plant to 1 to 3 parts by weight of the...
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4113919 |
Process for in situ formation of a tree-derived resinous adhesive composition
Bark-extended tannin-aldehyde resinous adhesives are formed in situ as adhesives for wood products, such as plywood. Bark, in a finely divided particle form, is treated with alkali and then used as...
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4045386 |
Alkali-treated bark extended tannin-aldehyde resinous adhesives
Bark-extended tannin-aldehyde resinous adhesives are formed in situ as adhesives for wood products, such as plywood. Bark, in a finely divided particle form, is treated with alkali and then used as...
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4026847 |
Method of partially converting wood into a lignin plastic polymer
Method of partially converting wood into plastic material by impregnating the wood with a phenol and substances which form a reaction product which forms a prepolymer with the lignin in the wood,...
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3405053 |
Two-step steam-heat treated lignocellulose product and process
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3312665 |
Polymers containing aromatic sulfonic acid groups
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3097177 |
Lignocellulose molding compositions
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3096297 |
Artificial board and process for preparing same
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