| Patents for C03B 19 - Other methods of shaping glass (6,508) |
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| 08/01/1990 | EP0380232A2 Extrusion die assembly for forming honeycomb structures having thickened outer skin |
| 08/01/1990 | EP0231205B1 Method and apparatus for making spherical particles, and the particles produced thereby |
| 07/31/1990 | US4944785 Process using melt accelerator for the conversion of solid waste substances into glass |
| 07/27/1990 | CA2005601A1 Substrates provided with a structured surface for growing solidifying layers from melts |
| 07/18/1990 | EP0265024B1 Method for making a shaped body from ceramics or glass |
| 07/10/1990 | US4940675 Method for making low-expansion glass article of complex shape |
| 07/03/1990 | US4938788 Method of producing uniform silica glass block |
| 07/03/1990 | CA1271042A1 Method of manufacturing glass bodies |
| 06/27/1990 | EP0375548A1 Silicon oxynitride glass precursors, silica gels for the preparation of these precursors, silicon oxynitride glass obtained from these precursors, and methods for the preparation of these products |
| 06/27/1990 | EP0375535A1 Production line for bent windshields |
| 06/27/1990 | EP0374754A1 Coating composition and a process for manufacturing the same |
| 06/21/1990 | CA2006181A1 Method and apparatus for producing curved glazing |
| 06/20/1990 | CN1008439B Preparation method of slender glass especially prefabricated component used in light guide |
| 06/19/1990 | US4935095 Depositing solution of tetraethoxy silane, tetraethoxygermane, solvent, acid on wafer, spinning, baking |
| 06/19/1990 | US4935046 Manufacture of a quartz glass vessel for the growth of single crystal semiconductor |
| 06/05/1990 | CA1269804A1 Method for the production of a moulding mass containing water glass |
| 05/30/1990 | EP0370971A1 Method for realization of granules, in particular spheroidal granules and the equipment for the carrying out of this method |
| 05/23/1990 | EP0369091A1 Method for manufacturing amorphous silica objects |
| 05/22/1990 | US4927442 Method of producing open-pore sintered glass filters and product |
| 05/22/1990 | CA1269250A1 Method for preparing silica glass |
| 05/17/1990 | DE3835208A1 Process for the production of undoped and fluorine-doped quartz glass |
| 05/09/1990 | EP0367127A1 Synthetic silica glass article for dopant-diffusion process in semiconductors |
| 05/02/1990 | EP0366197A1 Method of manufacturing a monolithic silica aerogel |
| 05/01/1990 | US4921655 Preparation of compact, crystalline and pore-free moldings from oxide ceramic |
| 05/01/1990 | US4921516 Method of manufacturing optical fibers with elimination of paraxial refractive-index dip |
| 04/25/1990 | EP0365515A2 Device for making foundry pumice |
| 04/10/1990 | US4916093 Method of producing continuous inorganic fiber consisting of Si, N and O |
| 04/10/1990 | US4915612 Extrusion die assembly for forming honeycomb structures having thickened outer skin |
| 04/03/1990 | US4913953 Integral chopped fiber reinforced glass or glass-ceramic structures |
| 04/03/1990 | US4913090 Chemical vapor deposition apparatus having cooling heads adjacent to gas dispersing heads in a single chamber |
| 04/03/1990 | CA1267425A1 Lithium-aluminum-silicate glass ceramic powders and methods of making them |
| 03/28/1990 | EP0360659A1 Synthetic fused silica glass and method for the preparation thereof |
| 03/28/1990 | EP0360479A2 Method of producing a glass body |
| 03/28/1990 | EP0199787B1 Vitreous silica |
| 03/27/1990 | US4911896 Drawing a single crystal silicon rod from molten polysilicon |
| 03/21/1990 | EP0359003A2 Process for transforming solid, substantially anhydrous waste materials into glass, and apparatus therefor |
| 03/21/1990 | CN1040703A Method for preparing improved lithium-silicate glarereducing coating for cathode-ray tube |
| 03/20/1990 | CA1266867A1 Process for making lightweight body suitable for use as an additive in an article of manufacture, such lightweight body itself, and composite containing same |
| 03/15/1990 | DE3841889A1 Process for converting solid, substantially anhydrous waste materials into the glass form (vitrification) and apparatus for carrying out the process |
| 03/13/1990 | US4907864 Macro-gradient optical density transmissive light concentrators, lenses and compound lenses of large geometry |
| 03/07/1990 | EP0357271A1 Extrusion die |
| 02/28/1990 | EP0356229A1 Method for preparing improved lithium-silicate glare-reducing coating for a cathode-ray tube |
| 02/28/1990 | EP0355104A1 Method and apparatus for forming glass flakes |
| 02/27/1990 | US4904293 Production of high silica glass microspheres |
| 02/27/1990 | US4904292 Spherulizing furnace and process of manufacturing vitreous beads |
| 02/27/1990 | US4904291 Sintering of powder and an inorganic salt, with a defined grade of grain which has a higher desielication temperature |
| 02/27/1990 | CA1266159A1 Composite and durable forming model with permeability |
| 02/21/1990 | EP0354927A1 Macro-gradient optical density transmissive light concentrators, lenses and compound lenses of large geometry, and fabrication thereof |
| 02/20/1990 | US4902450 Multi-element spherical shell generation |
| 02/20/1990 | US4902328 Method of manufacturing shaped bodies from ceramics or glass |
| 02/20/1990 | US4902325 Method for producing glass preform for optical fiber |
| 02/13/1990 | CA1265711A1 Method for producing glass preform for optical fiber |
| 02/07/1990 | EP0353864A2 Method of manufacturing optical elements |
| 02/07/1990 | EP0190286B1 Hollow microspheres made from dispersed particle compositions and methods and apparatus for producing them |
| 02/06/1990 | US4898604 Method of manufacturing a blank for a light-weight mirror with a supporting structure |
| 01/30/1990 | CA1264905A1 Hollow microspheres made from dispersed particle compositions |
| 01/25/1990 | WO1990000529A1 Process for obtaining spherical solid particles, in particular for use as beads for shot-blasting |
| 01/25/1990 | DE3924238A1 Glass element mfr. - prevents traces of knife cut by faster lowering of capturing mould |
| 01/17/1990 | EP0179137B1 Method for forming composite articles of complex shapes |
| 01/16/1990 | US4894194 Method for molding ceramic powders |
| 01/16/1990 | US4894081 Gravity feed, radiant heating |
| 01/11/1990 | DE3822646A1 Verfahren zur gewinnung von sphaerischen feststoffteilchen insbesondere solchen zur verwendung als strahlperlen A method for extraction of spherical solid particles in particular those for use as radiant pearls |
| 01/10/1990 | EP0223832B1 Coated glass microbubbles |
| 01/03/1990 | EP0348686A1 Exit end |
| 12/19/1989 | US4888036 Method of manufacture of glass bodies |
| 12/05/1989 | US4885020 Pouring melt into slit mold, drawing |
| 12/05/1989 | US4885018 Molding suspension of solids in dispersing agent while mold is rotated |
| 11/28/1989 | US4883522 Fabrication of macro-gradient optical density transmissive light concentrators, lenses and compound lenses of large geometry |
| 11/07/1989 | US4879159 Decorative foamed glass with dense glass surface layer and method of producing same |
| 10/18/1989 | CN1036378A Technology for production of glass microbeads |
| 10/17/1989 | US4874417 Method of purifying vitreous silica |
| 10/17/1989 | US4874416 Base material of optical fibers and a method for the preparation thereof |
| 10/11/1989 | EP0335875A1 Vitreous silica. |
| 10/10/1989 | US4872895 Method for fabricating articles which include high silica glass bodies |
| 10/03/1989 | US4871695 Process for the production of glass |
| 10/03/1989 | US4871693 Porous cordierite ceramics |
| 09/26/1989 | CA1261631A1 Process for fabrication of optical fibers and components made of fluoride glass and apparatus used to carry out the process |
| 09/26/1989 | CA1260713A1 Method of manufacturing monolithic glass members |
| 09/26/1989 | CA1260712A1 Method of manufacturing monolithic glass members |
| 09/20/1989 | EP0332694A1 Laser initiated chain reactions for producing a sintered product |
| 09/19/1989 | US4867931 Feeding blowing gas to inner coaxial nozzle, fibers and dispersed particle film former to outer, forming and detaching hollow microspheres |
| 09/19/1989 | US4867774 Method of producing an elongated glass body, particularly a preform for optical waveguides |
| 09/19/1989 | US4866857 Method of and arrangement for drying ceramic green bodies |
| 09/13/1989 | EP0331860A1 Controlled fiber distribution technique for glass matrix composites |
| 09/12/1989 | US4865829 Silicic acid ester, gelation, ethyl cellulose |
| 09/06/1989 | EP0331483A2 Process for the preparation of fluoride glass and process for the preparation of optical fiber preform using the fluoride glass |
| 09/06/1989 | EP0331009A1 Low oxygen content fine spherical particles and process for producing same by fluid energy milling and high temperature processing |
| 08/22/1989 | US4859224 Method of manufacturing glass or ceramic bodies |
| 08/22/1989 | CA1258588A1 Method for producing glass bubbles |
| 08/15/1989 | US4857093 Impregnating carbon fibers with slurry of glass and/or ceramic powders, softening, pressing into molds containing inserts |
| 08/15/1989 | US4857092 Method of densifying a preformed porous body of a material the main constituent of which is SiO2 |
| 07/25/1989 | US4851373 Mellitic acid, gelation, aging, drying, densification |
| 07/25/1989 | US4851150 Glycerol, formamide, oxalic acid and monocarboxylic acids |
| 07/18/1989 | US4849001 Impregnation water soluble glass body with organic material; compaction; sustained release of impregnated material |
| 07/12/1989 | EP0153785B1 Process for producing tubular bodies and device for carrying out the process |
| 07/11/1989 | US4846676 Driver training |
| 07/05/1989 | EP0322881A2 Method of producing uniform silica glass block |
| 06/27/1989 | US4842901 From silicic acid ester in presence of acid catalyst |
| 06/27/1989 | US4842124 Pneumatic controls for oscillating discharge chute |
| 06/20/1989 | US4840653 Containing fluorine; reboil-free when reheated |