| Patents for C03B 20 - Processes specially adapted for the production of quartz or fused silica articles (2,756) |
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| 06/03/1987 | EP0223852A1 Method of fabricating optical fiber preforms having reduced susceptibility to radiation damage. |
| 05/27/1987 | EP0222777A1 Unit intended to restore the initial cleanness conditions in a quartz tube used as reaction chamber for fabricating integrated circuits. |
| 05/26/1987 | US4668263 Low attenvation of light transmission |
| 05/19/1987 | US4666495 Apparatus for manufacturing stria-free, bubble-free and homogeneous quartz-glass plates |
| 05/19/1987 | US4666488 Process of producing a highly pure glass tube |
| 05/12/1987 | US4665039 Leaching with acid or base |
| 05/06/1987 | EP0220774A1 Method of preparing rotationally symmetric glass bodies |
| 04/28/1987 | US4661138 Method of strengthening the alkali resistance of a porous glass |
| 04/08/1987 | CN86202877U Oxy-hydrogen burner for making silica glass lump |
| 04/07/1987 | US4655808 Telecommunications; flame hydrolyzing raw materials, heating and sintering soot preform |
| 03/04/1987 | EP0212872A2 Method and apparatus for forming shaped pieces of insulation |
| 02/17/1987 | US4643751 Method for manufacturing optical waveguide |
| 01/28/1987 | EP0209927A1 Method for preparing glass bodies |
| 01/28/1987 | CN86104197A Mfg. method for optics fibre |
| 01/13/1987 | US4636364 Flameless, chemical reactors, distributors, discharging, heat resistance, fillers |
| 12/18/1986 | WO1986007347A1 Method of fabricating optical fiber preforms having reduced susceptibility to radiation damage |
| 12/17/1986 | CN86104327A Mfr. device for optical fibres material |
| 12/16/1986 | US4629485 Diffusion of fluorine onto glass preform in consolidation furnace |
| 12/02/1986 | US4626268 Purification by grinding, washing and separation |
| 11/26/1986 | EP0202548A1 Method for making an elongated glass object, in particular a preform for an optical-wave guide |
| 11/20/1986 | EP0201937A2 Method for producing glass preform for optical fiber |
| 11/19/1986 | CN86103379A Method of producing an elongated glass body particularly a preform for optical waveguides |
| 11/05/1986 | EP0200243A2 Process and device for producing glass articles |
| 11/05/1986 | EP0200242A2 Process and device for producing glass articles |
| 11/05/1986 | EP0199787A1 Vitreous silica. |
| 11/04/1986 | US4620862 Process of fabricating an elongated glass body particularly a preform for optical waveguides |
| 10/22/1986 | EP0198510A1 Method of producing glass preform for optical fiber |
| 10/15/1986 | EP0197586A2 Process and devices for producing glass articles |
| 10/15/1986 | EP0197585A1 Method for making glass bodies |
| 10/08/1986 | EP0196719A2 Process and device for producing glass articles |
| 10/08/1986 | EP0196718A2 Process and device for producing glass articles |
| 10/08/1986 | EP0196717A1 Method and apparatus for making glass bodies |
| 10/08/1986 | EP0196716A2 Process and device for producing glass articles |
| 10/08/1986 | EP0196671A1 Method of producing glass preform for optical fiber |
| 10/01/1986 | EP0196140A1 Method and apparatus for making glass bodies |
| 09/16/1986 | US4612023 Method of manufacturing stria-free, bubble-free and homogeneous quartz-glass plates |
| 09/12/1986 | WO1986005129A1 Unit intended to restore the initial cleanness conditions in a quartz tube used as reaction chamber for fabricating integrated circuits |
| 09/10/1986 | EP0193921A1 Method for producing multi-core optical fiber |
| 09/10/1986 | CN86100210A Method of treating preform for optical fiber |
| 09/03/1986 | CN86101341A Method for producing multi-core optical fiber |
| 08/27/1986 | EP0192204A1 Flexible capillary chromatographic column |
| 08/12/1986 | US4605632 Glass for tungsten-halogen lamps |
| 07/16/1986 | CN85108825A Method of and device for densifying a preformed porous body of a material the main constituent of which is sio2 |
| 07/01/1986 | US4597983 Method for producing a directed aerosol stream |
| 07/01/1986 | US4597787 Manufacture of optical fibre preforms |
| 05/28/1986 | EP0182250A1 Method for producing glass preform for optical fiber |
| 05/22/1986 | WO1986002919A1 Vitreous silica |
| 05/21/1986 | EP0181690A1 Glass for tungsten-halogen lamps |
| 05/14/1986 | EP0181040A1 Method and apparatus for densifying a preformed porous body made of a material that principally consists of SiO2 |
| 04/01/1986 | CA1202532A1 Method of producing optical fiber preform |
| 03/12/1986 | EP0173961A2 Process for the production of glass |
| 02/25/1986 | US4572729 Hydrolysis of silicon tetrachloride and sintering of product |
| 02/19/1986 | EP0171537A1 Method for producing glass preform for optical fiber |
| 02/12/1986 | EP0171103A1 Method for making glass preform rods from hollow preforms |
| 01/08/1986 | EP0167054A1 Method for producing glass preform for optical fiber |
| 01/07/1986 | US4563312 Replenishing raw materials to process |
| 01/07/1986 | US4563205 Precipitation of dopant in micropores |
| 12/31/1985 | US4561871 Cladding and core have differing refractive index, stress induced birefringence |
| 12/27/1985 | EP0165253A1 Fabrication of high-silica glass article. |
| 12/10/1985 | US4557561 Glass rod light waveguides for optical communicators; vapor deposition of fluorine in glass fibers |
| 12/04/1985 | EP0163071A2 Method for producing a preform for drawing optical fibers |
| 11/13/1985 | EP0160858A1 Method and apparatus for producing an aerosol flue |
| 10/23/1985 | EP0158974A1 Method and apparatus for making fused quartz and for forming glass tubing |
| 10/23/1985 | EP0158840A1 Process for making a product to obtain a pure quartz glass, process to obtain a pure quartz glass from this product and use of this glass for making piezoelectric crystals |
| 10/15/1985 | US4547210 Extrusing polysiloxanes, crosslinking, winding around cylinder, heating, sintering, collapsing and drawing fibers |
| 09/26/1985 | WO1985004162A1 Process for fabricating a product appropriate for producing pure quartz glass, process for producing pure quartz glass from said product and utilization of said product for growing piezoelectric crystals |
| 09/17/1985 | US4541855 Casting in nonaqueous suspension |
| 09/04/1985 | EP0153785A2 Process for producing tubular bodies and device for carrying out the process |
| 07/23/1985 | US4530378 Composite tubular body |
| 07/10/1985 | EP0147663A1 Gas supplying apparatus |
| 07/09/1985 | US4528163 Crucible for semiconductor manufacturing purposes and a process for manufacturing the crucible |
| 07/04/1985 | WO1985002837A1 Fabrication of high-silica glass article |
| 07/03/1985 | EP0147225A2 Method of forming an optical fiber |
| 07/03/1985 | EP0147029A1 Fabrication of high-silica glass article |
| 06/04/1985 | US4521236 Method for preparation of porous glass film |
| 05/21/1985 | CA1187291A1 Method of making glass optical fiber |
| 05/02/1985 | EP0139348A1 Optical fiber and method for its production |
| 04/24/1985 | EP0138307A1 Method of forming a glass or ceramic product |
| 03/20/1985 | EP0134507A1 Process of depositing a layer on a body |
| 03/19/1985 | US4505729 Method of producing optical fiber preform |
| 03/13/1985 | EP0134103A2 Integral optical device and method for producing optical pattern in glass |
| 02/19/1985 | US4500642 Infrared absorbing quartz glass with iron and aluminum |
| 01/15/1985 | US4493720 Process for producing doped vitreous silica for preparing a preform for an optical fibre |
| 01/02/1985 | EP0129625A1 Method of forming glass or ceramic article |
| 12/18/1984 | US4488864 Integral optical device and method of making it |
| 12/12/1984 | EP0127956A1 Method for manufacturing sinterable glass bodies |
| 12/05/1984 | EP0127041A1 Method of producing optical wave guides |
| 10/02/1984 | US4475204 Method and apparatus for the production of flat, transparent vitreous silica slabs of low bubble content |
| 09/25/1984 | US4473476 Drying in nitrogen, vapor deposition of metal halide, then hydrolysis to oxide |
| 08/29/1984 | EP0117009A1 Method of making a solid preform for drawing optical fibres |
| 05/23/1984 | EP0109192A1 Method of producing optical fiber preform |
| 05/08/1984 | US4447305 Process for obtaining luminescent glass layers |
| 04/04/1984 | EP0104617A2 Process for making a preform for drawing optical glass fibres |
| 03/20/1984 | US4437727 Quartz glass envelope tube |
| 02/28/1984 | CA1162948A1 Doped glass and process for making |
| 02/21/1984 | US4432781 Deposition of molten silicon dioxide onto substrate |
| 02/08/1984 | EP0100174A1 Method of making glass optical fiber |
| 01/11/1984 | EP0098102A1 Method of making optical fibre preforms and optical fibre preform |
| 01/03/1984 | CA1159637A1 Methods of and apparatus for heating a glass tube |
| 12/06/1983 | US4419118 Quartz glass and a process for making same |