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Class 523/144 - Furan-type material


Subclass of Class 523 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein the composition contains or reacts
No. of patents: 90
Last issue date: 08/05/2008


1      
NumberTitleIssue Date
7407543Binder composition comprising condensed tannin and furfuryl alcohol and its uses
This invention relates to a binder composition comprising condensed tannin and furfuryl alcohol. The composition can be used to prepare foundry mixes. The foundry mixes are prepared by mixing the composition with an acid or salt of an acid. The foundry mixes are the...
08/05/2008
7211137Binder composition comprising condensed tannin and furfuryl alcohol and its uses
This invention relates to a binder composition comprising condensed tannin and furfuryl alcohol. The composition can be used to prepare foundry mixes. The foundry mixes are prepared by mixing the composition with an acid or salt of an acid. The foundry mixes are the...
05/01/2007
7204878Refractory mixes containing condensed tannin and furfuryl alcohol, and their uses
This invention relates to refractory mixes produced by mixing a refractory material with an organic binder and heating to a temperature of typically from about 50° C. to about 100° C. to form a stable composite granulate. The refractor mixes comprise a major amoun...
04/17/2007
7129283Binders containing an epoxy resin, an ester of a fatty acid, and a fluorinated acid
This invention relates to foundry binder systems, which cure in the presence of sulfur dioxide and an oxidizing agent, comprising (a) an epoxy resin; (b) an ester of a fatty acid; (c) a fluorinated acid, preferably hydrofluoric acid; (d) an effective amount of a oxi...
10/31/2006
7125914Heat-cured furan binder system
This invention relates to a heat-cured furan foundry binder system comprising a furan binder and a furan monomer or oligomer containing at least two terminal hydroxymethyl groups. The binders are particularly useful as warm-box binders, because they cure faster and ...
10/24/2006
6662854Cold-box foundry binder systems having improved shakeout
This invention relates to foundry binder systems, which will cure in the presence of sulfur dioxide and a free radical initiator, comprising (a) an aliphatic epoxy resin; (b) a multifunctional acrylate; and (c) an effective amount of a free radical initia...
12/16/2003
6593397Furan no-bake foundry binders and their use
This invention relates to furan no-bake foundry binders comprising (a) furfuryl alcohol and/or a reactive furan resin, (b) an activator selected from the group consisting of resorcinol, resorcinol pitch, and bisphenol A tar (c) a bisphenol compound (d) a ...
07/15/2003
6559203Foundry binder systems containing an alkyl resorcinol and their use
This invention relates to an organic foundry binder containing an alkyl resorcinol, or preferably a readily available mixture of alkyl resorcinols, and derivatives thereof. Preferably, the organic foundry binder is a furan binder. Foundry mixes are prepar...
05/06/2003
6479567Furan no-bake foundry binders and their use
This invention relates to furan no-bake foundry binders comprising (a) furfuryl alcohol and/or a reactive furan resin, (b) an activator selected from the group consisting of resorcinol, resorcinol pitch, and bisphenol A tar (c) a bisphenol compound (d) a ...
11/12/2002
6426374Foundry binder compositions and mixes that contain a divalent sulfur compound
This invention relates to foundry binder compositions that contain a divalent sulfur compound, and/or foundry mixes where the aggregate contains a divalent sulfur compound. The foundry binders and foundry mixes are used to make foundry shapes, e.g. molds ...
07/30/2002
6391942Furan no-bake foundry binders and their use
This invention relates to furan no-bake foundry binders comprising (a) a reactive furan resin, (b) furfuryl alcohol, and (c) a catalyst component comprising a catalytically effective amount of a Lewis acid furan catalyst. The invention also relates to fou...
05/21/2002
5840785Molding process feedstock using a copper triflate catalyst
An improved feedstock material for D-RIM type PIM processes to manufacture parts. The feedstock includes metal or powders or a mixture thereof which is coated with a surfactant to improve rheology and keep the powder from inhibiting a catalytic reaction w...
11/24/1998
5703144Solid furan binders for composite articles
Furfuryl alcohol-formaldehyde resins in solid form....
12/30/1997
5616631Binder composition for mold making, binder/curing agent composition for mold making, sand composition for mold making, and process of making mold
Sand compositions containing a binder composition and a curing agent, in which the binder composition comprises (a) a binder comprising an acid-curable resin and (b) from 0.5 to 63.0% by weight, based on the binder composition, of at least one curing acce...
04/01/1997
5612392Heat cured foundry binder systems and their uses
This invention relates to a heat cured foundry binder system comprising as separate components (A) a furan resin, and (B) an effective amount of a curing catalyst composition comprising water, a copper aryl sulfonate, a aryl sulfonic acid, preferably poly...
03/18/1997
5607986Heat cured foundry mixes and their use
This invention relates to nitrogen free heat cured foundry mixes essentially free of free formaldehyde comprising (a) a nitrogen free modified furan resin, (b) furfuryl alcohol, (c) polyvinyl acetate, preferably(d) a tar selected from the group consisting...
03/04/1997
5591810Curable furan resin(s) modified with phenolic resin(s) for use as binders for cements and coating compositions having improved thermal stability processes for their preparation and their use
Curable furan resins modified with phenolic resins for use as binders for cements and coating compositions having improved thermal stability, processes for their preparation and their use. Preparation of curable furan resins modified with phenolic resins based...
01/07/1997
5491180Binder composition for mold making, binder/curing agent composition for mold making, sand composition for mold making, and process of making mold
Sand compositions containing a binder composition and a curing agent, in which the binder composition comprises (a) a binder comprising an acid-curable resin and (b) from 0.5 to 63.0% by weight, based on the binder composition, of at least one curing acce...
02/13/1996
5486557Furfuryl alcohol-formaldehyde resins
A composition for use as a binder for composite materials comprising a water-compatible furfuryl alcohol-formaldehyde resin and a minor amount of gamma-aminopropyltrimethoxysilane....
01/23/1996
5473009Mold material composition and method for preparing mold
A self-hardening mold material composition comprising 100 parts by weight of molding sand, 0.1 to 6 parts by weight of a component (a), 0.1 to 4 parts by weight of a component (b), 0.05 to 2.0 parts by weight of a component (c) as SiO2, and 0.0...
12/05/1995
5288774Novel low-emission, cold-curing binding agents
A binding agent comprising 95 to 50% by weight of a furan resin, 5 to 50% by weight of lignin from the Organosolv process and organic and/or inorganic acid curing agents useful for the production of curable molding compositions, high temperature-stable mo...
02/22/1994
5002981High strength carbonaceous cement
A carbonaceous cement for joining carbon and graphite shapes contains carbonaceous particles, a furan and catalyst, and a thermosetting resin resistant to high temperatures when curved. The cement forms bonds of superior strength at high temperatures enco...
03/26/1991
4997860Sand casting caking agent
A sand casting caking agent contains an acid-curable resin and an organosilicon compound of the general formula (I): ##STR1## in which R1 is hydrogen or an alkyl having from 1 to 6 carbon atoms, R is a substituted or nonsubstituted monoval...
03/05/1991
4996249Method to improve flowability of resin coated sand
A process for improving the flowability of resin coated sand which comprises the use of a fluorosurfactant with the mixture of sand and resin. Also provided is a resin binder containing a fluorosurfactant and a foundry mix comprising foundry sand, a resin...
02/26/1991
4847308Composition, method for preparing and use thereof
Polymeric cyclopentadiene derivatives, method for preparing polymeric cyclopentadiene derivatives, and use of polymeric cyclopentadiene derivatives in curable binder compositions....
07/11/1989
4806576Curable epoxy resin compositions and use in preparing formed, shaped, filled bodies
Curable epoxy resin compositions are described which comprise a mixture of an acid curable epoxy resin and a minor amount of an oxidizing agent capable of reacting with sulfur dioxide to form a catalyst for curing said epoxy resin. The curable epoxy resin...
02/21/1989
4782102Novel organofunctional silanes containing hindered group
A novel organofunctional silane for use in binding agent compositions employed in foundry sands and the cores and molds made therefrom. The novel organofunctional silane is characterized in that it contains at least one sterically hindered hydrocarbon gro...
11/01/1988
4780526Composition, method for preparing and use thereof
Polymeric cyclopentadiene derivatives, method for preparing polymeric cyclopentadiene derivatives, and use of polymeric cyclopentadiene derivatives in curable binder compositions....
10/25/1988
4775704Mold material for forming sandmold without requiring mold wash
A mold material for forming sandmolds for manufacturing metal castings, consisting essentially of an organic binder: 0.4-3.0 percent, a catalyst for curing the organic binder: 0.2-2.0 percent of, a ceramic binder: 0.05-2.0 percent in terms of SiO2
10/04/1988
4767801Molding material and mold
Molding material composed of casting sand coated with a thermosetting resin and hydrous magnesium silicate clay mineral which may be impregnated with an acid and/or coated with a thermosetting resin, and a shell mold produced from the molding material. Th...
08/30/1988
4761441Acid-curable compositions comprising mixtures of furan and epoxy resins and use in preparing formed, shaped, filled bodies
Acid-curable resin compositions are described which comprise a mixture of a furan resin and a minor amount of an acid-curable epoxy resin. The acid-curable resin compositions may contain other components such as catalysts, solid particulate materials, etc...
08/02/1988
4735974Binder system for castable ceramics
A castable mix formulation for casting ceramic articles which comprises ceramic particles and an organic resin binder composed of furfuryl alcohol and a catalyst consisting essentially of zinc chloride and para toluene sulfonic acid....
04/05/1988
4735973Additive for sand based molding aggregates
An additive to foundry sand molding and core aggregates used to produce cores and molds which improves the quality of castings by reducing thermal expansion and gas defects. The additive comprises a composition containing from about 15% to about 95% titan...
04/05/1988
4732920High strength particulates
An improved particulate material for use in treating subterranean formations as a proppant and/or as a fluid loss agent in hydraulic fracturing and as a screening material in gravel packing comprised of heat curable particles capable of forming a cohesive...
03/22/1988
4678817Novel desensitized ketone peroxide compositions and their use in the manufacture of foundry cores or moulds
This disclosure relates to novel desensitized ketone peroxide compositions containing as desensitizing agent 2,2,4-trimethyl-1,3-pentanediol diisobutyrate. It further relates to the use of these compositions in the manufacture of foundry cores or moulds....
07/07/1987
4658886High temperature molds and composition for same
A high temperature mold assembly particularly adapted for thermit reaction welding, and mold components and mold compositions therefor, based on a mined aggregate containing carbon and silica and thermosetting, non-hygroscopic resinous binder....
04/21/1987
4644022Cold-setting compositions for foundry sand cores and molds
A cold-setting foundry binder composition, which provides foundry cores and molds with improved curing speed, comprising a particulate refractory material, a resin binder, an acid curing catalyst, and an accelerator. The accelerator is selected from the g...
02/17/1987
4634723Furfuryl alcohol binders, methods for their production and use
A binder material is disclosed formed from furfuryl alcohol suitable for the preparation of molded bodies and cores for molding for the foundry industry based on the following composition: 40-60 weight percent higher molecular weight furfuryl alcohol formaldeh...
01/06/1987
4619950Method and material for plugging an ingot mold
A particulate material adapted to be poured into the opening in the bottom of a top pouring ingot mold, tamped in the opening and then cured therein to form a mold plug is comprising of a plug forming aggregate and first and second binders of thermosettin...
10/28/1986
4607067Foundry sand binder
A binder is used for binding foundry sand to form a mold and a core for casting, and consists of a condensation-reactive first compound (resin) having at least one methylol group in a molecule, amounting to 100 parts by weight. An additive component is ad...
08/19/1986
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