| Patents for B28C 1 - Apparatus or methods for obtaining or processing clay (861) |
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| 11/09/1994 | EP0623041A1 Evaporative concentration of clay slurries |
| 11/08/1994 | US5362472 Forming aqueous suspension of finely powdered barium titanate and dispersant; to prevent reagglomeration, water washing powder, adding anionic compound or extra dispersant, keeping suspension in carbon dioxide-free gas or at 20 degrees C. max. |
| 10/25/1994 | US5358120 Selective separation of finely-divided minerals by addition of selective collector reagent and centrifugation |
| 10/13/1994 | DE4308342C1 Rolling mill for comminution of ceramic materials to be ground |
| 08/17/1994 | EP0611071A1 Process for regenerating and optionally carbonizing spent acid-activated smectite clays |
| 08/13/1994 | CA2113409A1 Process for regenerating, and optionally carbonizing, spent acid-activated smectite clays |
| 08/10/1994 | CN1025596C Vacuum-stirring and centrifugal forming process for slurry of firebrick |
| 08/03/1994 | EP0608988A1 Process of acid binding fine smectite clay particles into granules |
| 07/20/1994 | EP0606226A1 Process for producing a kaolin clay product |
| 07/19/1994 | US5330946 Process of acid binding fine smectite clay particles into granules |
| 06/01/1994 | DE4239948A1 Prodn of natural building material - by comminuting clay soil, further comminuting, drying and finely grinding |
| 05/17/1994 | US5311997 Conditioning by adding anionic flotation collector prior to centrifuging |
| 05/04/1994 | CN1086233A Stable magnesium hydroxide slurries |
| 04/27/1994 | EP0593602A1 Method for preparing aqueous mineral suspensions |
| 04/13/1994 | EP0592169A1 Stabilised magnesium hydroxide slurries |
| 04/13/1994 | EP0591406A1 Selective separation of finely-divided minerals by addition of selective collector reagent and centrifugation |
| 04/06/1994 | CA2107410A1 Stable magnesium hydroxide slurries |
| 02/15/1994 | US5286688 Rare earth oxide powder |
| 02/09/1994 | CN1023686C Method for depolymerizing and dispersing super-fine powder |
| 10/28/1993 | WO1993021127A1 Method of manufacturing surface-modified ceramic powders with particles in the nanometre size |
| 10/27/1993 | CN2144569Y Mortar mixer |
| 10/21/1993 | DE4212633A1 Verfahren zur Herstellung oberflächenmodifizierter nanoskaliger keramischer Pulver Process for the preparation of surface-modified nanoscale ceramic powder |
| 10/13/1993 | EP0549693A4 Process for producing bentonite clays exhibiting enhanced solution viscosity properties |
| 09/28/1993 | US5248641 Process for producing bentonite clays exhibiting enhanced solution viscosity properties |
| 09/15/1993 | CN2142063Y Screen stoner |
| 07/21/1993 | EP0532633A4 Method for producing high solids slurries of clay water products |
| 07/13/1993 | US5227349 Process for producing a kaolin clay product |
| 07/08/1993 | WO1993012854A1 Evaporative concentration of clay slurries |
| 07/08/1993 | CA2126760A1 Evaporative concentration of clay slurries |
| 07/07/1993 | EP0549693A1 Process for producing bentonite clays exhibiting enhanced solution viscosity properties |
| 06/29/1993 | US5223463 Process for producing a kaolin clay product |
| 06/29/1993 | US5223155 Discharging of filter cake using water pulses |
| 05/25/1993 | US5213687 Apparatus for filtering mineral slurries |
| 05/19/1993 | CN2133432Y Crushing purifying mud-squeezed machine |
| 05/12/1993 | CN2132612Y Lime mixer |
| 05/12/1993 | CN2132611Y Hydraulic seperating stable soil mixer |
| 03/24/1993 | EP0532633A1 Method for producing high solids slurries of clay water products. |
| 03/17/1993 | EP0532139A1 Clean burning green ceramic tape cast system |
| 03/17/1993 | EP0532114A1 Process for the preparation of aqueous ceramic suspensions and use of these suspensions |
| 02/18/1993 | WO1993002987A1 Process for producing a kaolin clay product |
| 01/28/1993 | DE4121882A1 Ceramic mass roller mill - has rocker or lever system to adjust and set setting and counter rollers |
| 01/21/1993 | WO1993001145A1 Method for preparing aqueous mineral suspensions |
| 01/21/1993 | WO1993000999A1 Selective separation of finely-divided minerals by addition of selective collector reagent and centrifugation |
| 01/19/1993 | CA1312989C Bulking pigments |
| 12/29/1992 | US5174823 Device for controlling the aggregations of a mixture of stone materials and binders for the production of agglomerated stone products |
| 12/15/1992 | US5171725 Method for preparing aqueous mineral suspensions |
| 09/16/1992 | CN2115886U Light wind and rain proof device for unfired brick (tile) |
| 09/09/1992 | EP0502218A1 Apparatus for producing stabilizing mixture |
| 09/02/1992 | CN2114546U Glass fiber reinforced plastics mud squeezing plate |
| 07/08/1992 | EP0493406A1 Process for producing a kaolin clay product. |
| 06/11/1992 | DE4140021A1 Stone or ceramic mixer - has drum to take two separate mixt. feed for homogenising with additional opt. homogenising mixers |
| 06/10/1992 | CN2106705U Slurry stirring machine |
| 06/03/1992 | CN2106058U Universal double step vaccum cement extruder |
| 04/22/1992 | CN1060418A Deaggregating and dispersing method for superfine powder |
| 03/24/1992 | US5098583 Wet classification of kaolin, dewatering, filtration by flowing through a filter plate |
| 03/18/1992 | WO1992005123A1 Process for producing bentonite clays exhibiting enhanced solution viscosity properties |
| 03/18/1992 | CA2091780A1 Process for producing bentonite clays exhibiting enhanced solution viscosity properties |
| 12/12/1991 | WO1991018660A1 Method for producing high solids slurries of clay water products |
| 11/17/1991 | CA2042498A1 Device for controlling the aggregation of a mixture of stone materials and binders for the production of agglomerated stone products |
| 11/12/1991 | US5064586 Ceramic material extruding method and apparatus therefor |
| 08/21/1991 | EP0442746A1 Calcined kaolin clay filler pigment for paper |
| 08/15/1991 | CA2035117A1 Calcined kaolin clay filler pigment for enhancing opacity and printing properties of newsprint and mechanical papers |
| 08/14/1991 | CN1053768A Mortar making method and its installation with concave/convex rod clay |
| 07/24/1991 | CN2081339U Vertical mortar-pouring machine |
| 07/02/1991 | US5028351 Intercalated Organic Amine Salts, Pyridine Salts Or (Meth)acrylamide Polymers; Thickeners, Protective Colloids, Dispersants, Binders |
| 04/30/1991 | US5011534 Degritting, spray drying, pulverizing, roasting and repulverizing |
| 04/09/1991 | US5006574 Cationcally dispersed slurries of calcined kaolin clay |
| 04/04/1991 | WO1991004143A1 Process for producing a kaolin clay product |
| 02/19/1991 | CA1280278C Method for distributing an aqueous solution containing a peroxygen in clay |
| 01/22/1991 | US4987106 Seeding metal silicate gel in aqueous solution with sepiolite or attapulgite, heating, crystallization |
| 11/20/1990 | US4971260 Clay crushing machine |
| 11/04/1990 | CA2013625A1 Cationic processing of mineral ores |
| 10/03/1990 | EP0390497A2 Ceramic material extruding method and apparatus therefor |
| 09/26/1990 | EP0232289B1 Method of concentrating slurried kaolin |
| 08/16/1990 | EP0382427A2 Cationically dispersed slurries of calcined kaolin clay |
| 08/10/1990 | CA2007945A1 Cationically dispersed slurries of calcined kaolin clay |
| 07/11/1990 | CN1008725B Method for improving dispersibility of organoclays |
| 07/04/1990 | EP0376690A1 Fired product utilizing incineration ash and method of production thereof |
| 06/28/1990 | CA2006854A1 Fired product utilizing incineration ash and producing method thereof |
| 05/23/1990 | EP0232313B1 Energy conserving process for drying a clay slurry |
| 05/16/1990 | CN1007985B Resin compositions comprising organoclays of improved despersibility |
| 04/10/1990 | CA1267524A1 Simultaneous vibration, compression and vacuum deaeration of granular material to form blocks |
| 07/12/1989 | CN1004753B Organo-clays |
| 06/14/1989 | EP0320190A2 Clay crushing machine |
| 05/02/1989 | US4826425 Constant amount ceramic batch supplying apparatus |
| 04/26/1989 | EP0312954A2 Process for exfoliation of vermiculite |
| 03/28/1989 | US4816182 Liquefaction of highly loaded particulate suspensions |
| 10/26/1988 | CN87102013A Vacuum-stirring and centrifugal forming process for refractory slurry |
| 08/30/1988 | US4767466 Slurrying kaolin clay and cationi polyelectrolyte; thickening, flocculation, bleaching |
| 05/31/1988 | US4747728 Method for distributing an aqueous solution containing a peroxygen in clay |
| 05/18/1988 | EP0267341A1 Process for the preparation of resin composition comprising organoclays of improved dispersibility |
| 05/18/1988 | CN86108237A Resin compositions comprising organoclays of improved despersibility |
| 05/11/1988 | EP0266415A1 Liquefaction of highly loaded particulate suspensions |
| 03/23/1988 | EP0260945A1 Improvement in bulking pigments |
| 03/02/1988 | EP0258013A2 Method for distributing an aqueous solution containing a peroxygen in clay |
| 12/23/1987 | CN86208194U Vacuum style brick-making assembly with double shaft agitator and double mud extruder |
| 11/05/1987 | WO1987006495A1 Liquefaction of highly loaded particulate suspensions |
| 10/06/1987 | US4698010 Process for the formation of blocks of any material by means of the contemporaneous action of vibrations, compression and vacuum intended for cutting into slabs and apparatus adapted to carry out the said process |
| 09/30/1987 | CN87202400U Clay rolling mill with screen filter |
| 09/15/1987 | US4693427 Increasing bulk density, decreasing water wetting time; dry milling |