"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 7407543 | Binder 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 |
| 7211137 | Binder 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 |
| 7204878 | Refractory 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 |
| 7129283 | Binders 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 |
| 7125914 | Heat-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 |
| 6662854 | Cold-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 |
| 6593397 | Furan 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 |
| 6559203 | Foundry 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 |
| 6479567 | Furan 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 |
| 6426374 | Foundry 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 |
| 6391942 | Furan 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 |
| 5840785 | Molding 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 |
| 5703144 | Solid furan binders for composite articles Furfuryl alcohol-formaldehyde resins in solid form.... | 12/30/1997 |
| 5616631 | Binder 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 |
| 5612392 | Heat 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 |
| 5607986 | Heat 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 |
| 5591810 | Curable 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 |
| 5491180 | Binder 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 |
| 5486557 | Furfuryl 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 |
| 5473009 | Mold 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 |
| 5288774 | Novel 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 |
| 5002981 | High 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 |
| 4997860 | Sand 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 |
| 4996249 | Method 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 |
| 4847308 | Composition, 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 |
| 4806576 | Curable 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 |
| 4782102 | Novel 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 |
| 4780526 | Composition, 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 |
| 4775704 | Mold 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 |
| 4767801 | Molding 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 |
| 4761441 | Acid-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 |
| 4735974 | Binder 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 |
| 4735973 | Additive 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 |
| 4732920 | High 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 |
| 4678817 | Novel 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 |
| 4658886 | High 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 |
| 4644022 | Cold-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 |
| 4634723 | Furfuryl 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 |
| 4619950 | Method 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 |
| 4607067 | Foundry 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 |