| Patents for B22C 1 - Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds (4,753) |
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| 01/21/1992 | US5082876 Alkaline phenolic resin |
| 01/15/1992 | EP0466419A2 Core removal from molded products |
| 01/15/1992 | EP0465919A1 Process for producing sand mold |
| 01/12/1992 | CA2046428A1 Core removal from molded products |
| 12/31/1991 | US5077323 Method to improve flowability of alkaline phenolic resin coated sand |
| 12/25/1991 | CN2091189U Magnetic treating device for soluble glass |
| 12/11/1991 | CN1015053B Method of manufacturing bonded particulate article by reacting polyol and heterocyclic compound |
| 11/13/1991 | CN1014686B Productive method of sand core for investment casting |
| 10/31/1991 | WO1991016157A1 Polyurethane-forming foundry binders containing a polyether polyol |
| 10/22/1991 | US5059247 Method for the preparation of foundry sand compositions |
| 10/16/1991 | EP0451181A1 Refractory composition ready for hardening and its preparation. |
| 10/15/1991 | US5057155 Mold forming material |
| 10/09/1991 | CN1055176A Auto-hardener for moulding sand and its preparation and application |
| 09/24/1991 | US5051454 An esterified phenolic compound, an unesterified phenolic resole and a base and curing |
| 09/24/1991 | CA1289421C Manufacturing method of metal moulds, having a high fusion temperature, through sputtering of said metal on a filled elastomeric silicone form |
| 09/18/1991 | CN1013935B Production method of core mixture mateiral for casting |
| 09/11/1991 | EP0183782B1 Phenolic resin-polyisocyanate binder systems |
| 09/04/1991 | CN1013745B Heat-retaining repair for cast steel parts and technology thereof |
| 08/27/1991 | US5043412 Ambient temperature curing, high carbon contributing compositions |
| 08/27/1991 | US5043365 Novel molding materials |
| 08/27/1991 | US5043014 Thermoplastic paste for the production of foundry mold cores and a process for the production of such cores using said paste |
| 08/08/1991 | CA2034368A1 Lime-free preformed shapes for casting aluminum |
| 08/06/1991 | CA1287437C Method for making redispersible synthetic resin powders |
| 07/31/1991 | CN1053452A Phosphorus family wear-resisting cast iron quenching ball and production process thereof |
| 07/30/1991 | US5036116 Ester hardeners for phenolic resin binder systems |
| 07/16/1991 | US5032642 Phenolic resin compositions |
| 07/16/1991 | CA1286085C Exothermic compositions |
| 07/10/1991 | CN1052893A Enhanced moisture-resistant agent for resin bonded sand |
| 07/09/1991 | CA1285741C Method and apparatus for producing a cast-iron element and cast-iron element produced thereby |
| 07/02/1991 | US5027890 Foundry moulding composition |
| 06/26/1991 | EP0433546A1 Nonsilica mold material for dental titanium cast |
| 06/22/1991 | WO1991009908A1 Polyurethane-forming foundry binders and their use |
| 06/22/1991 | CA2048604A1 Polyurethane-forming foundry binders and their use |
| 06/20/1991 | CA2023716A1 Nonsilica mold material for dental titanium cast |
| 06/11/1991 | US5022920 Method and composition for investment casting of laminar ceramic shell molds |
| 06/04/1991 | US5021539 Alkaline benzylic ether phenolic resin binders |
| 05/29/1991 | CN1012669B Accessory material of foundry core sand |
| 05/28/1991 | CA1284404C Method of manufacturing a bonded particulate article by reacting a polyol and a heterocyclic compound |
| 05/28/1991 | CA1284403C Method of manufacturing a bonded particulate article by reacting a hydrolyzed amylaceous product and a heterocyclic compound |
| 05/15/1991 | EP0427392A2 Improved method of casting a reactive metal against a surface formed from an improved slurry containing yttria |
| 05/07/1991 | US5013363 Mold for the casting of glass ceramic |
| 05/07/1991 | US5012857 Coated spheres |
| 04/24/1991 | EP0423780A2 Novel heat curable organic resin foundry sand binder process |
| 04/17/1991 | EP0422756A1 Method to improve flowability of alkaline phenolic resin coated sand |
| 04/09/1991 | CA1282578C Procedure for the production of moulds, patterns and tools made from plaster-based and cement-based materials |
| 04/02/1991 | US5004039 Refractory material |
| 03/20/1991 | EP0417600A2 Method for producing foundry cores and moulds |
| 03/20/1991 | EP0417527A2 Investment model and process for the prevention of deposit formation on models or castings from the investment material |
| 03/20/1991 | CN1049987A Riser pad |
| 03/16/1991 | WO1991004118A1 Mold element construction and related method |
| 03/16/1991 | CA2024286A1 Process for the preparation of foundry cores and molds |
| 03/13/1991 | EP0363385A4 Modifiers for aqueous basic solutions of phenolic resole resins |
| 03/13/1991 | EP0182809B1 Phenolic resin-polysocyanate binder systems containing a phosphorous based acid |
| 03/06/1991 | CN1049619A Process for casting of aluminium alloy by gypsum type rotary mould |
| 03/06/1991 | CN1011869B Method of enhancing thickness of cast cemented alloy layer |
| 03/06/1991 | CN1011867B Turpentine emulsion type sand adhesive |
| 03/05/1991 | US4997860 Sand casting caking agent |
| 02/26/1991 | US4996249 Method to improve flowability of resin coated sand |
| 02/26/1991 | US4996084 Colloidal silica water based slurry system for investment casting shell backup coats |
| 02/19/1991 | CA1280255C Method of manufacturing a foundry mould, or a component thereof |
| 02/06/1991 | CN1011493B Overcoating sand for moltening mold casting and process for making shell therefrom |
| 02/06/1991 | CN1011492B Polyvinyl formal adhesive for casting |
| 02/05/1991 | US4989667 Shell moulds for casting metals |
| 02/05/1991 | US4989664 Core molding composition |
| 01/29/1991 | US4988745 Foundry molding composition, binders |
| 01/15/1991 | US4985489 Production of articles of bonded particulate material and binder compositions for use therein |
| 01/10/1991 | DE4019818A1 Precision casting of esp. false teeth - using zirconium or aluminium oxide and silicon di:oxide with ammonium prim. phosphate and magnesium oxide as binder |
| 01/09/1991 | CN1048341A Disperser for water-glass sand |
| 01/09/1991 | CN1011123B Binder for heat-insulating plate and its preparation method |
| 01/08/1991 | US4982781 Reaction product of phenolic resin, polyester polyol, and polyisocyanat hardener |
| 01/03/1991 | DE4002815A1 Fired precision mould for high temp. shaping operations - contg. spinel-forming oxide(s) for mould vol. expansion |
| 12/25/1990 | US4980394 Mixture of refractory, curable phenol-formaldehyde resole resin, styrenated phenol and ester hardener |
| 12/13/1990 | DE3941722C1 Moulding material system - comprises fire resistant material contg. aluminium nitride, and non-aq. binder |
| 12/12/1990 | EP0401388A1 Modified silicate composition and production of sand mold therefrom |
| 12/11/1990 | US4977209 Production of articles of bonded particulate material and binder compositions for use therein from phenol-formaldehyde and oxyanion |
| 12/11/1990 | CA1277795C Phenolic resin polyisocyanate binder systems containing a phosphorus based acid |
| 12/04/1990 | US4975231 Calcium silicate in xonotlite matrix; reinforcing carbon fibers |
| 11/28/1990 | EP0399727A1 Ceramic mould material |
| 11/28/1990 | EP0399636A2 Method to improve flowability of resin coated sand |
| 11/28/1990 | EP0399635A2 Alkaline phenolic resole resin binders |
| 11/27/1990 | CA1276773C Process for preparing mold for investment casting having therewithin mold core |
| 11/22/1990 | EP0398463A2 Ester hardeners for phenolic resin binder systems |
| 11/20/1990 | US4971132 Production of foundry molds and cores, placing a resole resin and refractory binder in a mold, gassing with a volatile ester |
| 10/31/1990 | CN1010191B Complex patch on casting mould and its material and fabrication method |
| 10/10/1990 | EP0280733B1 Self-hardening mix for casting moulds and cores |
| 10/03/1990 | EP0389636A1 Material for mold and process for forming mold using same |
| 09/26/1990 | EP0389082A2 Alkaline benzylic ether phenolic resin binders |
| 09/20/1990 | WO1990010669A1 Phenolic resin compositions |
| 09/20/1990 | WO1990010608A1 Refractory coating for making refractory shells |
| 09/19/1990 | EP0388145A1 Phenolic resin compositions |
| 09/19/1990 | EP0387682A2 Binder based on aqueous alkaline metal silicate solutions and use thereof |
| 08/28/1990 | US4952616 Curing a foundry binder using metal salts and a liquid ester |
| 08/28/1990 | US4951735 In carbon coated crucible |
| 08/22/1990 | CN2060704U Sand heating device |
| 08/15/1990 | CN1044607A Binder for casting |
| 08/14/1990 | US4948765 Refractory coating for making refractory shells |
| 08/14/1990 | US4947927 Containing hydroxyl compound |
| 08/14/1990 | US4947926 Investment compound for use in precision casting mold |
| 08/07/1990 | US4946876 Polyurethane-forming foundry binders containing a polyester polyol |
| 08/01/1990 | CN1044246A Resin sand and its preparation method for foundry |