| Patents for C03C 1 - Ingredients generally applicable to manufacture of glasses, glazes or vitreous enamels (3,901) |
|---|
| 09/17/1992 | DE4109044A1 Incinerator exhaust gas cleaner - has smelting reactor to dispose of toxic salts and heavy metals |
| 09/17/1992 | CA2105578A1 Method and apparatus for recycling scrap mineral fibers |
| 09/10/1992 | DE4107941A1 Foamed glass - used as chemical carrier medium esp. for delayed release of artificial fertiliser |
| 09/09/1992 | EP0502569A1 Method of manufacturing a heavy metal fluoride glass composition |
| 09/08/1992 | US5145508 Vapor deposition, low temperature, |
| 09/02/1992 | EP0501335A1 A method of recovery of basic reactants for ZBLAN glass synthesis from purified solutions |
| 09/02/1992 | EP0501139A1 Purple pigments, their manufacture and their use |
| 09/01/1992 | US5143533 Coating a thin film of a glass, radiation to cause sintering of glass particles |
| 08/25/1992 | US5141786 High viscosity, high purity |
| 08/12/1992 | EP0497966A1 A METHOD FOR PRODUCING METAL OXIDE AEROGELS HAVING DENSITIES LESS THAN 0.02 g/cm?3. |
| 08/11/1992 | US5137410 Material supply apparatus for transferring powdery, granular and conglomerated materials |
| 07/30/1992 | DE4102328A1 Pyrogenic niobium oxide - useful for prodn. of catalysts, ceramics and glass |
| 07/29/1992 | EP0496670A1 Process for enamelling a glass substrate and enamel composition used |
| 07/22/1992 | CN1017503B Treatment of toxicant-impregnated filter cake |
| 07/21/1992 | US5132253 Sol-gel method for making ceramic materials |
| 07/15/1992 | EP0465645A4 Batch composition for making infrared and ultraviolet radiation absorbing green glass |
| 07/01/1992 | EP0493217A1 Method for converting waste to crystallized glass |
| 06/25/1992 | WO1992010240A1 A method for chemical destruction of heavy metals in toxic waste |
| 06/24/1992 | EP0491141A1 Sol-gel method for making ceramic materials |
| 06/23/1992 | US5123940 Forming a preform from a tube of fused glass and a glass rod having doped lyaer, and drawing fiber from preform |
| 06/18/1992 | CA2054871A1 Sol-gel method for making ceramic materials |
| 06/11/1992 | DE4104396A1 Melting noxious waste-contg. charge to produce environmentally safe useful prod. - by mixing charge except cullet and frit, delivering batchwise with indirect preheating etc. |
| 05/26/1992 | US5116535 Aqueous colloidal dispersion of fumed silica without a stabilizer |
| 05/20/1992 | EP0486352A1 Process for obtaining a rare earth silicate glass composition and process for the production of said silicate |
| 05/19/1992 | US5114883 Process for the preparation of vitreous material notably for jewellery |
| 05/13/1992 | EP0484643A1 Use of certain waste glass for the production of foam glass articles |
| 05/13/1992 | CN1016606B Ceramic powder |
| 05/12/1992 | US5112778 Soda-lime-silica float glass with cerium oxide and iron and carbon |
| 04/29/1992 | EP0482659A1 Process for producing thin glass film by sol-gel method |
| 04/29/1992 | EP0482535A1 Dark gray, infrared absorbing glass composition and product |
| 04/26/1992 | CA2053985A1 Process for producing thin glass film by sol-gel method |
| 04/21/1992 | US5106959 Ceric hydrocarbyl silyloxides and process for their preparation |
| 04/01/1992 | EP0478059A1 Body of cerium-doped quartz glass |
| 03/31/1992 | US5100840 Method of preparing a briquette batch |
| 03/31/1992 | US5100453 Decomposition of binder, combustion of carbon |
| 03/19/1992 | WO1992004289A1 Raw material briquette for mineral wool production and process for its preparation and its use |
| 03/05/1992 | WO1992003378A1 A METHOD FOR PRODUCING METAL OXIDE AEROGELS HAVING DENSITIES LESS THAN 0.02 g/cm?3¿ |
| 03/03/1992 | US5093286 Semiconductor-containing glass and method of producing the same |
| 02/25/1992 | US5091001 Melting in furnace with mixture of calcium, silicon and iron oxides, removing slag formed, solidifying |
| 02/20/1992 | DE4026188A1 Non-volatile inorganic additive recovery from plastics - by crushing, combustion and use in ceramic glaze etc. |
| 02/18/1992 | US5089444 Low temperature fired glass composite dielectrics |
| 02/12/1992 | CN1015442B Platinum corrosion reducing premelted oxide compositions for lead containing solder glasses |
| 02/04/1992 | US5085838 Conversion into environmentally safe material; heating with alkaline flux to change crystal structure |
| 01/30/1992 | DE4023881A1 Heavy metal contg. leach resistant glass - by adding glass formers to molten slag or to combustion prods. |
| 01/30/1992 | DE4023561A1 Foam glass mouldings mfr. - by prepn. of mixt. contg. water, finely ground glass and foaming agents, granulating and expanding |
| 01/28/1992 | CA1294990C Transparent infrared absorbing glass and method of making |
| 01/15/1992 | EP0465645A1 Batch composition for making infrared and ultraviolet radiation absorbing green glass |
| 01/14/1992 | US5080962 Method for making silica optical devices and devices produced thereby |
| 01/09/1992 | WO1991017965A3 Alkali-free bioactive sol-gel compositions |
| 01/08/1992 | EP0464501A2 Melting glass with oxidation control and lowered emissions |
| 01/02/1992 | DE4019789A1 Verfahren zur herstellung von natriumsilikatloesungen A process for the production of sodium silicate solutions |
| 12/26/1991 | WO1991019673A1 Process for preparing sodium silicate solutions |
| 12/25/1991 | CN1057246A Glass-ceramics compound mosaic and face brick, and their production process |
| 12/24/1991 | US5074916 Alkali-free bioactive sol-gel compositions |
| 12/10/1991 | US5071460 From barium diketonate |
| 12/05/1991 | DE4030732A1 Processing fluorescent lamp scrap - for recycling of glass, mercury phosphor, and metals avoiding waste and pollution |
| 12/03/1991 | US5069700 method of manufacturing gradient-index glass |
| 11/28/1991 | WO1991017965A2 Alkali-free bioactive sol-gel compositions |
| 11/26/1991 | US5068208 Glass formed from silicon alkoxide and metal alkoxide of titanium and zirconium, gelation, molding, fixing, drying and sintering |
| 11/21/1991 | DE4123288A1 Crystalline silica granulate treatment with supercritical liquid - esp. hydrothermal water to remove inclusions and cause fracture along planar surface |
| 11/21/1991 | DE4123287A1 Treatment of silica granulate to remove inclusions - uses hydrofluoric acid mixed with organic acid to reduce dissolution of silica from clean material and increase removal of inclusions |
| 11/21/1991 | DE4123286A1 Silicon di:oxide granule cleaner - has angled tube with upper feed for granules and acid to give fresh acid action |
| 11/12/1991 | US5063860 Melting; controlling oxygen concentration |
| 11/06/1991 | EP0454761A1 Organic modified silicic acid heteropolycondensates |
| 11/05/1991 | US5063181 Synthetic silica glass article for dopant-diffusion process in semiconductors |
| 11/05/1991 | US5063179 Low alpha particle emissions |
| 11/05/1991 | US5063003 Prehydrolysis of alkoxysilanes, atomizing oligomers, discharging spray into water to form cured polysiloxane beads in slurry, forming paste of separated beads, casting or molding, drying, heat treatment, sintering |
| 10/29/1991 | US5061473 Titanium dioxide, a process and its production |
| 10/16/1991 | EP0452207A1 Coloured glass composition and glazing produced therewith |
| 10/16/1991 | EP0451866A1 Method of purifying starting materials for fluoride glass fabrication |
| 09/25/1991 | EP0448174A1 Method of processing waste materials |
| 09/25/1991 | EP0258457B1 Process for manufacturing glass |
| 09/19/1991 | WO1991013838A1 A reinforced glass and/or ceramic matrix composite and process for preparing such composites |
| 09/17/1991 | US5049338 Hydrolysis of silicon alkoxide; coagulation |
| 09/17/1991 | US5049175 Method of manufacturing a glass body having a non-uniform refractive index |
| 09/11/1991 | CN1054410A Formula for making porcelain glaze with ti-containing slag |
| 09/05/1991 | WO1991013040A1 Process for making non-porous, micron-sized high purity silica |
| 09/04/1991 | EP0445030A2 Process and apparatus for reducing heavy metal toxicity in fly ash from solid waste incineration |
| 08/28/1991 | EP0443781A1 Method for doping optical fibers |
| 08/20/1991 | US5041398 Mixing with water, precipitating heavy metal constituents, vitrifying |
| 08/14/1991 | EP0441622A1 Epoxy resin compositions containing highly transparent silica-titania glass beads |
| 08/14/1991 | EP0440893A1 Purified quartz and process for purifying quartz |
| 08/14/1991 | CN1053783A Batch composition for making infrared and ultraviolet radiation absorbing green glass |
| 08/13/1991 | CA1287471C Modified close fraction batch process for purification of sio |
| 08/08/1991 | WO1991011402A1 Batch composition for making infrared and ultraviolet radiation absorbing green glass |
| 08/08/1991 | DE4003497A1 Cathode ray tube disposal - uses rotary drum mixer to break up glass with water to separate coating materials |
| 08/07/1991 | EP0258455B1 Process for manufacturing glass |
| 08/06/1991 | US5037625 Surface pretreatment; heating with hydrogen chloride gas, diffusing interstitial alkali metal oxide inpurities to surface, removing as salts |
| 07/31/1991 | CA2035268A1 Batch composition for making infrared and ultraviolet radiation absorbing green glass |
| 07/30/1991 | US5035735 Process for vitrifying environmentally hazardous waste material in a glass melting furnace |
| 07/26/1991 | WO1991011389A1 Method of production of high purity fusible silica |
| 07/26/1991 | CA2074518A1 Method of production of high purity fusible silica |
| 07/24/1991 | CN1013271B Vacuum clarification having controllable foaming degree for glassy materials |
| 07/02/1991 | US5028407 Ammoniation of ammonium fluosilicate |
| 07/02/1991 | US5028247 Process for the preparation of silica glass powders |
| 06/26/1991 | EP0434222A1 Ultra high purity metal fluorides and their preparation |
| 06/26/1991 | EP0433643A1 Method for producing rare earth element-doped glass by sol-gel process |
| 06/26/1991 | CN1052468A Compound opacifier with andesite as basic material |
| 06/20/1991 | WO1991008988A1 Sol-gel process for glass and ceramic articles |
| 06/18/1991 | US5024822 Crushing; incineration; mixing with siliceous materials; glassy molten residue |