| GEORGIA-PACIFIC CHEMICALS LLC Patent applications |
| Patent application number | Title | Published |
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| 20120115994 | METHODS FOR MAKING AND USING AMINO-ALDEHYDE RESINS - Methods for making and using amino-aldehyde resins. The method for making an amino-aldehyde resin can include mixing an intermediate amino-aldehyde reaction product having a total aldehyde compound to total amino compound molar ratio ranging from about 1.4:1 to about 3:1 with a first aldehyde compound and a first amino compound to produce an amino-aldehyde resin having a total aldehyde compound to total amino compound molar ratio ranging from about 0.5:1 to about 1.2:1. The concentration of the first aldehyde compound mixed with the intermediate reaction product can be about 1.9 wt % or more based on a combined solids weight of the aldehyde compounds and the amino compounds in the amino-aldehyde resin. | 05-10-2012 |
| 20120064323 | BINDER COMPOSITIONS FOR MAKING FIBERGLASS PRODUCTS - Fiberglass mats, binder compositions, and methods for making the same are provided. The fiberglass mat can include a plurality of glass fibers and an at least partially cured binder composition. The binder composition, prior to at least partial curing, can include a first copolymer modified by reaction with one or more base compounds. The first copolymer can include one or more unsaturated carboxylic acids, one or more unsaturated carboxylic anhydrides, or a combination thereof, and one or more vinyl aromatic derived units. The first copolymer can have a weight average molecular weight (Mw) of about 500 to about 200,000. The first copolymer can be present in an amount ranging from about 60 wt % to about 95 wt %, based on a combined weight of the first copolymer and the one or more base compounds. | 03-15-2012 |
| 20120006222 | Method for Inhibiting Ice Formation and Accumulation - The present invention relates to a method for inhibiting the formation or accumulation of ice on a solid surface and for reducing the salt out temperatures. | 01-12-2012 |
| 20110318574 | MOLD- AND MOISTURE-RESISTANT GYPSUM BOARDS - Mold- and moisture-resistant gypsum boards and methods for making them are disclosed, the method comprising applying a slurry that forms a gypsum core to an upper or a lower facing sheet impregnated with a thermoset resin (e.g., a phenol-formaldehyde resin) in an amount effective to (i) allow water vapor passage through the facing sheet when the thermoset resin is in its uncured state and (ii) provide mold and moisture resistance to the facing sheet when the thermoset resin is in its cured state and heating sufficiently to cure said resin and dry said gypsum core, thereby yielding said gypsum board. | 12-29-2011 |
| 20110303880 | METHODS FOR PRODUCING PRECURSOR SOLUTIONS AND SOL-GELS FOR NANO-ENGINEERED CARBON MATERIALS AND NANO-ENGINEERED CARBON MATERIALS CREATED THEREFROM - Methods of manufacturing nano-engineered carbon materials, such as carbon aerogels and carbon xerogels, and methods of manufacturing precursor solutions and sol-gels for making the same are provided. A method for manufacturing a precursor solution comprises programmed-addition of a cross-linking agent to a component mixture comprising a resorcinol compound. A method for manufacturing a sol-gel comprises subjecting a precursor solutions to at least one heat treatment. Methods for producing nano-engineered carbon materials from precursor solutions and sol-gels are also provided. Methods for using the nano-engineered carbon materials are also disclosed. The resulting nano-engineered carbon materials can be useful in a range of products including, supercapacitor applications, high-surface-area electrodes, fuel cells, and desalination systems. | 12-15-2011 |
| 20110284176 | Thermosetting Creping Adhesive With Reactive Modifiers - A creping adhesive comprising a PAE composition comprising a reactive, light crosslinked polyamidoamine-epichlorohydrin polymer (PAE-type polymer) optionally in combination with a reactive modifier and the corresponding method for of creping cellulosic fiber webs with the adhesive. | 11-24-2011 |
| 20110278003 | PROPPANTS FOR USE IN HYDRAULIC FRACTURING OF SUBTERRANEAN FORMATIONS - A proppant for a well treatment fluid includes discrete particles of a substrate, such as sand, coated with a resin comprising a product of the Maillard reaction between a carbohydrate and an amine and/or an ammonium compound. Different resins, in particular thermoplastic or thermosetting resins, may be blended with Maillard reaction products or applied to the substrate as separate layers. The proppant may be included in a fracturing fluid, which is injected into a subterranean formation and used to stimulate hydrocarbon production from the subterranean formation. | 11-17-2011 |
| 20110262760 | BONDING WOOD COMPOSITES WITH RESIN SOLIDS-FORTIFIED PHENOL-FORMALDEHYDE RESIN - The invention comprises an aqueous phenol-formaldehyde resole resin liquid fortified with powdered (e.g., spray dried) phenol-formaldehyde resole resin, preparing wood composites, particularly oriented strand board (OSB), waferboard, particleboard, medium density fiber board, and hardboard, using the solids-fortified liquid resin, and related wood composites bonded with the solids-fortified resin. | 10-27-2011 |
| 20110168943 | Pitch Emulsions - An emulsion of pitch in water preferably characterized by having a lower level of tack on drying by virtue of using as the emulsifying agent a fatty acid, a chemically modified fatty acid, a rosin acid, a chemically modified rosin acid, or combinations thereof, especially a tall oil fatty acid, or a chemically modified tall oil fatty acid, where the pitch emulsion is useful for reducing the development of fugitive dust in a dust-forming material. | 07-14-2011 |
| 20110165398 | BINDER COMPOSITIONS FOR MAKING FIBERGLASS PRODUCTS - Fiberglass mats, binder compositions, and methods for making the same are provided. In at least one specific embodiment, the fiberglass mat can include a plurality of glass fibers and a binder composition that includes a copolymer and one or more amines. The copolymer can include one or more unsaturated carboxylic acids, one or more unsaturated carboxylic anhydrides, or a combination thereof, and one or more vinyl aromatic derived units. The binder composition can have a weight average molecular weight (Mw) of about 500 to about 180,000. The fiberglass mat can have a thickness ranging from about 10 mils to about 1,000 mils, an average dry tensile strength of at least 50 lbs/3 inch; and an average Elmendorf tear strength of at least 300 gf. | 07-07-2011 |
| 20110136947 | METHOD OF SPRAY DRYING PHENOL-FORMALDEHYDE RESIN - Methods for producing spray-dried phenol-formaldehyde resole resins and products made therefrom. The method can include spray-drying an aerated liquid phenol-formaldehyde resole resin containing about 0.02 wt % or more of a surfactant, based on a combined weight of the liquid phenol-formaldehyde resole resin and the surfactant, to produce a spray-dried phenol-formaldehyde resole resin powder. | 06-09-2011 |
| 20110060095 | MODIFIED BINDERS FOR MAKING FIBERGLASS PRODUCTS - Binder compositions for making fiberglass products and methods for making and using same are provided. The binder composition can include a phenol-aldehyde resin or a mixture of Maillard reactants and one or more modifiers selected from the group consisting of a copolymer comprising one or more vinyl aromatic derived units and at least one of maleic anhydride and maleic acid; an adduct of styrene, at least one of maleic anhydride and maleic acid, and at least one of an acrylic acid and an acrylate; and one or more latexes. | 03-10-2011 |
| 20110054098 | DEDUSTING AGENTS FOR FIBERGLASS PRODUCTS AND METHODS FOR MAKING AND USING SAME - Dedusting agents for fiberglass products and methods for making and using the same are provided. The composition can include a binder and a dedusting agent. The dedusting agent can include an emulsion comprising one or more pitches, one or more fatty acids, one or more rosins, or any combination thereof. | 03-03-2011 |
| 20110049417 | DEDUSTING COMPOSITIONS AND METHODS FOR MAKING AND USING SAME - Compositions for reducing the formation of dust and methods for making and using same are provided. The composition can include an emulsion comprising one or more pitches, one or more fatty acids, one or more rosins, or any combination thereof. The composition can also include one or more film forming polymers, one or more oils, or a combination thereof. | 03-03-2011 |
| 20100331484 | GUANIDINE-BASED POLYMERS FOR SEPARATION PROCESSES - Cationic polymers and methods for using the same are provided. The method can include contacting an aqueous medium with a cationic polymer. The cationic polymer can include a polymer formed by reacting an aldehyde, and optionally an aldehyde-reactive compound, in the presence of a sufficient amount of guanidine to provide the polymer with a net cationic charge. | 12-30-2010 |
| 20100294725 | AZETIDINIUM-FUNCTIONAL POLYSACCHARIDES AND USES THEREOF - The present invention relates to polysaccharides that have been modified by providing azetidinium functionality thereto. Such functionality can be provided by crosslinking a polysaccharide with a resin having azetidinium functional groups. In one or more aspects, the polysaccharide can comprise one or more of starch, guar gum, alginate or derivatives thereof. Polysaccharides having azetidinium functionality according to the present invention are suitable for multiple uses. Such uses include, but are not limited to, removal of one or more solid materials from a liquid, beneficiation of an ore, removal of metallic ions from a liquid; providing oil from bitumen; and removal of mercury from synthetic gypsum. Other uses of the functionalized polysaccharides of the present invention include hydroseeding, dust control and corosion control. | 11-25-2010 |
| 20100273917 | BONDING WOOD COMPOSITES WITH A CALCIUM-MODIFIED PHENOL-FORMALDEHYDE RESIN - The present invention relates to an aqueous phenol-formaldehyde resole resin prepared by reacting phenol and formaldehyde in the presence of a source of calcium ions, to a curable powdered (particulate) resole resin made by spray drying the aqueous phenol-formaldehyde resole resin, to a method of preparing a wood composite using the curable, powdered resin, and the related wood composite bonded with the curable, powdered resin. | 10-28-2010 |
| 20100184902 | Phosphoric Acid Quenched Creping Adhesive - An improved creping adhesive is prepared by first reacting a dibasic carboxylic acid, or its ester, half-ester, or anhydride derivative, with a polyalkylene polyamine, preferably in aqueous solution, under conditions suitable to produce a water soluble polyamide. The water-soluble polyamide is then reacted with an epihalohydrin until substantially fully cross-linked, and stabilized by acidification with phosphoric acid at the end of the polymerization reaction to form a water-soluble poly(aminoamide)-epihalohydrin creping adhesive that is re-wetable and facilitates water spray removal of buildup so as to lengthen the life of the creping blades, with attendant significant decrease in downtime and maintenance. | 07-22-2010 |
| 20100171233 | WOOD COMPOSITES BONDED WITH PHENOL-FORMALDEHYDE BY STEAM INJECTION PRESSING - The present invention relates to a method for preparing a wood composite, and the related wood composite itself formed by steam injection pressing using a phenol-formaldehyde resin binder composition capable of rapidly curing in a saturated or superheated steam atmosphere. | 07-08-2010 |
| 20100117023 | METHOD FOR INHIBITING ICE FORMATION AND ACCUMULATION - The present invention relates to a method for inhibiting the formation or accumulation of ice on a solid surface and for reducing the salt out temperatures. | 05-13-2010 |
| 20100029160 | FORMALDEHYDE FREE BINDER - An aqueous binder composition, useful for making fiber products, especially fiberglass insulation, comprising an aqueous substantially alkaline (pH of at least 5.0) solution of a polyol and a hydrolyzed (solubilized) copolymer of maleic anhydride and a vinyl aromatic compound, preferably styrene (i.e., a SMA copolymer); the copolymer is solubilized using ammonia, an ammine, a primary alkanolamines (preferably monoethanolamine), a secondary alkanolamine (preferably diethanolamine (DEA)), a tertiary alkanolamine (preferably triethanolamine (TEA)), or a mixture thereof and the binder composition is cured as a consequence of cross-linking, esterification reactions between pendant carboxyls on the solubilized (hydrolyzed) copolymer (SMA) chains and hydroxyl groups of the polyol, including the diethanolamine and/or triethanolamine preferably used in the solubilization of the SMA. | 02-04-2010 |
| 20100025625 | PITCH EMULSIONS - An emulsion of pitch in water characterized by having a lower level of tack on drying by virtue of the incorporation of a finely divided filler, where the emulsion is useful for reducing the development of fugitive dust in a dust-forming material. | 02-04-2010 |
| 20100000913 | COLLECTORS - Collectors for froth flotation including oxidized fatty acid compositions and oxidized and maleated compositions. In particular, use of oxidized tall oil compositions and oxidized and maleated fatty acid compositions are disclosed. | 01-07-2010 |
| 20090301972 | MATERIALS AND PROCESS FOR ENHANCING SELECTIVE SEPARATIONS - Use of a Maillard reaction product as an adjuvant in a variety of applications including solid-liquid separations, corrosion inhibition, emulsification, dust suppression, slow release fertilization, viscosity modification and others and especially as a depressant or collector in separation processes, including the selective separation of solids and/or ionic species from aqueous media, such as in the process of froth flotation. | 12-10-2009 |
| 20090194731 | OXIDIZED AND MALEATED DERIVATIVE COMPOSITIONS - Oxidized and maleated derivative compositions, such as chemically modified oxidized and maleated tall oil fatty acid compositions, can be prepared and used in a variety of industrial applications, including as emulsifiers, corrosion inhibitors, concrete admixtures, and in reverse flotation mining applications. | 08-06-2009 |
| 20090194466 | METHOD FOR THE FROTH FLOTATION OF COAL - The present invention relates to the beneficiation of coal by the process of froth flotation and specifically relates to a process for the froth flotation of coal using a collector consisting essentially of a fatty acid monoester of a polyol, a fatty acid diester of a polyol, or a mixture thereof. | 08-06-2009 |
| 20090165978 | BLENDS OF GLYOXALATED POLYACRYLAMIDES AND PAPER STRENGTHENING AGENTS - Compositions comprising a blend of two or more paper strengthening agents have improved stability compared with previously known paper strengthening agents. One component is a polymeric paper strengthening agent, preferably a wet strengthening agent. The other component is a stabilized polyacrylamide prepared by (1) reacting a first portion of glyoxal with a polyacrylamide having pendant amide groups to form a first reaction mixture comprising polyacrylamide; (2) adding an acid to the first reaction mixture to form a second reaction mixture having a reduced pH and comprising the polyacrylamide; and (3) adding a second portion of glyoxal to the second reaction mixture to form the stabilized polyacrylamide. If desired, an aldehyde scavenger can be included in one or more of step (1), step (2), step (3), or the stabilized polyacrylamide. Such compositions can be used to enhance the strength of paper, particularly the wet strength of paper. | 07-02-2009 |
| 20090133457 | HIGH NITROGEN LIQUID FERTILIZER - The present invention is directed to liquid fertilizer composition having a high nitrogen content comprising an aqueous mixture of a urea-formaldehyde resin and a nitrogen fertilizer source selected from the group consisting of urea, ammonium nitrate, and a mixture of urea and ammonium nitrate, wherein the liquid fertilizer possess surprisingly depressed freeze points and salt-out temperatures. | 05-28-2009 |
| 20090124151 | BINDER COMPOSITIONS FOR FIBER MATS, AND FIBER MATS AND ARTICLES COMPRISING THEM - Aqueous binder compositions for fiber mats include a urea-formaldehyde resin and an aqueous emulsion of a copolymer prepared by polymerization of a monomer mixture including styrene, an alkyl(meth)acrylate, acrylonitrile, and an unsubstituted or substituted acrylamide. Even when used in relatively low concentration, the copolymer provides improved physical properties to the fiber mat. The fiber mats can be used in composite flooring, asphalt roofing shingles, siding, and dry wall. | 05-14-2009 |
| 20090065736 | CHEMICAL MODIFICATION OF MALEATED FATTY ACIDS - Chemically modified maleated fatty acid compositions and the salts thereof, especially chemically modified tall oil fatty acid containing compositions are useful in formulating corrosion inhibitors, as emulsifiers, as collectors in mining applications, and as cross-linking agents, such compositions find particular utility for petroleum-related applications. | 03-12-2009 |
| 20090036577 | METHOD OF STABILIZING AQUEOUS CATIONIC POLYMERS - Cationic thermosetting resins and especially resins having azetidinium functional groups, such as polyamidoamine-epichlorohydrin resins, are stabilized against premature gelation by the addition of (1) a low molecular weight, non-aldehyde, non-ionic, water soluble organic stabilizing compound (preferably one that is reactive with the cationic moiety), preferably in combination with (2) a water soluble, inorganic complexing metal salt. | 02-05-2009 |
| 20080293911 | ANHYDRIDE AND RESORCINOL LATENT CATALYST SYSTEM FOR IMPROVING CURE CHARACTERISTICS OF PHENOLIC RESINS - An anhydride and resorcinol latent catalyst system for a phenolic resole resin provides a resin having long pot life and long shelf life, yet cures quickly thereafter. | 11-27-2008 |
| 20080286472 | REDUCING FORMALDEHYDE EMISSIONS - A method for reducing formaldehyde emissions from articles prepared from, or which otherwise comprise formaldehyde-emitting compositions, such as formaldehyde-containing resins, and relates especially to a method for reducing formaldehyde emissions from products such as cellulose laminates, permanent press (wrinkle-free) textiles, floral foams and ceiling or acoustical tiles, which involves isolating the article in an enclosed space a formaldehyde scavenger, particularly a formaldehyde scavenger carried by a substrate. | 11-20-2008 |
| 20080283243 | Reducing flow-back in well treating materials - A composite proppant having a proppant substrate such as a porous ceramic or silica sand coated with magnetic particles and a method of propping a subterranean formation using a composition consisting essentially of the composite proppant. | 11-20-2008 |
| 20080280787 | PHENOL-FORMALDEHYDE NOVOLAC RESIN HAVING LOW CONCENTRATION OF FREE PHENOL - A phenol-formaldehyde novolac resin having a low concentration of free phenol prepared by distilling residual phenol from a molten novolac resin and replacing at least a portion of the phenol with a solvent having a volatility equal to or less than phenol. Such modified novolac resins are suitable for the production of resin coated molding sands for shell molding and sand cores, as well as for the production of resin coated proppants for use in oil and gas recovery operations. | 11-13-2008 |
| 20080277115 | INCREASING BUOYANCY OF WELL TREATING MATERIALS - A composite proppant having an increased buoyancy comprising a proppant substrate such as a porous ceramic or a silica sand coated with a material of a lesser actual density than the apparent density of the proppant substrate to increase the buoyancy of the composite proppant. | 11-13-2008 |
| 20080233334 | FIBROUS PRODUCTS HAVING REDUCED FORMALDEHYDE EMISSIONS - A method for reducing formaldehyde emission from a fibrous product prepared using a binder based on a formaldehyde-containing resin, the method comprising isolating the fibrous product in an enclosed space, introducing a gaseous formaldehyde scavenger into the space and maintaining the gaseous scavenger in the space for a time sufficient to reduce the level of formaldehyde emission, with the result that the fibrous product exhibits a reduced level of formaldehyde emissions. | 09-25-2008 |
| 20080233333 | FIBROUS PRODUCTS HAVING REDUCED FORMALDEHYDE EMISSIONS - A method for reducing formaldehyde emission from a fibrous product prepared using a binder based on a formaldehyde-containing resin, the method comprising isolating the fibrous product in an enclosed space, introducing a gaseous formaldehyde scavenger into the space and maintaining the gaseous scavenger in the space for a time sufficient to reduce the level of formaldehyde emission, with the result that the fibrous product exhibits a reduced level of formaldehyde emissions. | 09-25-2008 |
| 20080214738 | BLENDS OF ANIONIC COPOLYMERS SUITABLE FOR SURFACE SIZE AND METHODS OF MAKING THE SAME - A sizing composition comprises a blend of at least two anionic copolymers. | 09-04-2008 |
| 20080202750 | PROPPANT MATERIALS AND METHODS - The present invention provides thermoplastic coated proppants and methods for preparing the thermoplastic coated proppants. Methods for using these proppants in subterranean well formations and hydraulic fracturing operations, for example, are also disclosed. | 08-28-2008 |
