| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 523139000 | Composition related to metal foundry molding or metallurgical furnace or process of preparing | 17 |
| 20100099794 | COATED MICROSPHERES AND THEIR USES - The invention relates to microspheres coated with a phenolic novolak resin, a process for preparing them, and their use in making foundry shapes, e.g. molds, cores, sleeves, pouring cups, etc., which are used in casting metal parts. | 04-22-2010 |
| 20100152321 | HOT CASTING REPAIR MIX - An object is to provide a nonaqueous hot casting repair mix which, while enjoying simple and convenient installation, can substantially reduce hardening time after installation. The hot casting repair mix according to the invention is characterized by containing 5 to 30% by weight of a binder capable of forming a carbon bond in hot condition and 1 to less than 5% by weight of an iron powder and the balance consisting of a refractory aggregate. | 06-17-2010 |
| 20140249246 | MOLDING SAND COMPRISING BIODEGRADABLE POLYMERIC BINDER - Molding sand containing (i) 100 parts by weight of refractory quartz or olivine matrix and (ii) 1 to 5 parts by weight of organic binder. The organic binder contains a mixture of (a) 40-50% w/w aqueous solution of sodium poly(acrylate) in the amount of 30-70% by weight and (b) 40-50% w/w aqueous solution of dextrin in the amount of 30-70% by weight. | 09-04-2014 |
| 523142000 | Organic polyisocyanate or derived from polyisocyanate | 7 |
| 20080207795 | Binder Formulations Utilizing Furanic Components - Broadly, the invention provides for a cold-box aggregate binder typically being a mixture of phenolic or urea resin and a furanic material selected from one or more of the group consisting of
| 08-28-2008 |
| 20110082233 | LIGNITE-BASED URETHANE RESINS WITH ENHANCED SUSPENSION PROPERTIES AND FOUNDRY SAND BINDER PERFORMANCE - Described herein, in the preferred embodiment, is a leonardite-based polyurethane resin binder that may be used, among other applications, as a binder in combination with foundry aggregate, e.g., sand, for molding or casting metal parts. The binders described herein comprise a humic substance, preferably leonardite, combined with a polymerizable polyol, an isocyanate, and a polymerization catalyst to make a polyurethane resin binder in situ in a foundry aggregate, such as sand. The lignite is mixed with the polymerizable polyol, thickening and dispersing agents as additives to improve the suspension quality and binder performance of the lignite-containing part of the binder components. | 04-07-2011 |
| 20130203887 | Lignite-Urethane Based Resins for Enhance Foundry Sand Performance - Described herein, in a preferred embodiment, is a leonardite-based polyurethane resin binder that may be used, among other applications, as a binder in combination with foundry aggregate, e.g., sand, for molding or casting metal parts. The binders described herein comprise a humic substance, preferably leonardite, first mixed with a foundry aggregate and then the humic-aggregate mixture is combined with a polymerizable polyol, an isocyanate, and a polymerization catalyst to make a polyurethane resin binder in situ in a foundry aggregate, such as sand. The lignite is added as a solid to the foundry aggregate, and improves the binder performance of the lignite-containing part of the binder components. | 08-08-2013 |
| 20130237635 | Lignite-Based Foundry Resins - Described herein, in the preferred embodiment, is a leonardite-based polyurethane resin binder that may be used, among other applications, as a binder in combination with foundry aggregate, e.g., sand, for molding or casting metal parts. The binders described herein comprise a humic substance, preferably leonardite, combined with a polymerizable polyol, an isocyanate, and a polymerization catalyst to make a polyurethane resin binder in situ in a foundry aggregate, such as sand. The lignite is mixed with the polymerizable polyol and dispersing agents as additives to improve the suspension quality and binder performance of the lignite-containing part of the binder components. | 09-12-2013 |
| 20140235750 | FEEDER AND SHAPEABLE COMPOSITION FOR PRODUCTION THEREOF - Feeders for use in the foundry industry comprising (a) rice husk ash containing, based on the total amount of the constituents detectable in the rice husk ash by quantitative phase analysis by means of x-ray diffractometry (i) crystalline modifications of silicon dioxide, (ii) monoclinic feldspar and (iii) amorphous silicon dioxide, a total content of at least 70 wt. %, preferably more than 75 wt. % of (i) crystalline modifications of silicon dioxide and (ii) monoclinic feldspar, wherein, based on the total weight of the shapeable composition of the feeder, the amount of this rice husk ash is in the range of from 5 to 50 wt. %, preferably 5 to 25 wt. %, (b) cured binder, (c) optionally fibre material, (d) optionally one or more further fillers, and (e) optionally an oxidizable metal and an oxidizing agent for the oxidizable metal are described. | 08-21-2014 |
| 523143000 | Phenolic, amine, or ketone condensate with aldehyde | 2 |
| 20130225718 | COLD-BOX BINDING AGENT SYSTEMS AND MIXTURES FOR USE AS ADDITIVES FOR SUCH BINDING AGENT SYSTEMS - A description is provided of a mixture which is preparable by allowing the reaction of a premixture of (av), methanesulfonic acid (bv), one or more esters of one or more phosphorous-oxygen acids and (cv) one or more silanes. The invention also concerns the use of said mixtures as additives for the polyisocyanate component of a two-component binding agent system for preparation of a polyurethane resin. The invention further concerns a solution containing polyisocyanate for use as a component of a molding material binding agent system, and the use of a solution containing polyisocyanate as the polyisocyanate component of a two-component binding agent system for preparation of a polyurethane resin and corresponding two-component binding agent systems for preparation of a polyurethane resin. | 08-29-2013 |
| 20140018468 | FOUNDRY BINDER SYSTEMS - The present invention relates to foundry binder systems forming a curable polyurethane with a catalytically effective amount of a curing catalyst, comprising at least one phenolic resin component comprising at least: a phenolic resin and a solvent of triacetin type and a polyisocyanate component. The invention also relates to foundry mixtures prepared from the binder and an aggregate, to foundry forms such as cores and molds prepared via the no-bake or cold-box processes, and also to the respective processes. The foundry forms obtained by the present invention are especially used for manufacturing metallic components, especially for the casting of metallic components. | 01-16-2014 |
| 523144000 | Furan-type material | 3 |
| 20080207796 | Furanic resin aggregate binders and method - Broadly, the invention provides for newly available bio-derived formaldehyde free furanic materials for aggregate binding. The specific example case is aggregate binding for forms used in the metal casting process. The new materials make possible higher productivity and lower phenol, formaldehyde, urea, and/or furfuryl alcohol content in the metal casting form-making process. It is expected that the formulations will work well in other aggregate binding situations as well. | 08-28-2008 |
| 20080221236 | Furanic grouts - Broadly, the invention provides for newly available essentially formaldehyde-free furanic materials for lower-staining, higher reactivity, chemically resistant grout formulations. | 09-11-2008 |
| 20140296372 | BINDER COMPOSITION FOR MAKING SELF-HARDENING FOUNDRY MOLDS, AND METHOD OF PRODUCING FOUNDRY MOLD USING THE SAME - The present invention relates to a binder composition for making self-hardening foundry molds that is capable of improving the hardening speed of the molds and the strength of the molds, and is excellent in storage stability; and a method for producing a foundry mold, using this composition. The binder composition for making self-hardening foundry molds of the present invention is a binder composition for making self-hardening foundry molds, comprising a furan resin and an ion compound, wherein the ion compound contains at least one anion selected from the group consisting of a hydrogensulfite ion, a sulfite ion, a pyrosulfite ion, a thiosulfate ion, a thionate ion, and a dithionite ion; the content of the anion is from 0.006 to 0.60 parts by weight for 100 parts by weight of the furan resin; and the composition has a pH of 6 or less at 25° C. | 10-02-2014 |
| 523145000 | Phenolic or amine or ketone condensate with aldehyde | 3 |
| 20100286306 | NO HEXA SHELL SAND - A formulation and method of use for eliminating the use of hexa in shell sand encapsulation is disclosed. The composition of matter consists of standard novalac resins with the hexa component replaced by solid granular resole or curing agent. The preferred formulation and method of compounding is given. Trace elements of ammonia, phenol and the like are further reduced by the addition of a preferred 50:50 mix of an ammonia buffer and masking agent. The preferred compounds for the ammonia buffer and masking agent mix are given. | 11-11-2010 |
| 20120029113 | PHENOLIC RESIN COMPOSITION FOR SHELL MOLDING, RESIN COATED SAND FOR SHELL MOLDING, AND SHELL MOLD FORMED OF THE SAME - Provided are a phenolic resin composition for shell molding that has low thermal expansion properties and high flexibility, a resin coated sand for shell molding obtained by using the same, and a shell mold formed of the same. The phenolic resin composition for shell molding that is capable of exhibiting advantageous mold characteristic is obtained by a combination of a phenolic resin that is obtained by a reaction of a phenol, a naphthol, and an aldehyde, and a fatty acid amide. | 02-02-2012 |
| 20140187667 | PHENOLIC RESIN COMPOSITION FOR SHELL MOLDING, RESIN COATED SAND FOR SHELL MOLDING, AND SHELL MOLD FORMED OF THE SAME - Provided are a phenolic resin composition for shell molding that has low thermal expansion properties and high flexibility, a resin coated sand for shell molding obtained by using the same, and a shell mold formed of the same. The phenolic resin composition for shell molding that is capable of exhibiting advantageous mold characteristic is obtained by a combination of a phenolic resin that is obtained by a reaction of a phenol, a naphthol, and an aldehyde, and a fatty acid amide. | 07-03-2014 |
| 523148000 | Polyester based | 1 |
| 20090093567 | RESIN COMPOSITION FOR SHELL MOLD AND RESIN COATED SAND - A resin composition for a shell mold which reduces smoke generation upon molding of a casting mold and maintains a crumbility and a casting mold strength of a phenolic resin, and resin coated sand by the use thereof are provided. The resin composition for the shell mold includes the phenolic resin and an aromatic condensed phosphate ester. The phenolic resin is used as a binder of the resin coated sand used for producing a main mold and a core for shell mold casting of cast iron, cast steel, aluminum, and the like. The aromatic condensed phosphate ester is very effective as a crumbling agent for improving the crumbility of the casting mold after casting. | 04-09-2009 |
