| Patents for C03B 20 - Processes specially adapted for the production of quartz or fused silica articles (2,756) |
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| 11/22/1983 | US4416680 Method of making quartz glass crucibles, and apparatus carrying out the method |
| 11/15/1983 | CA1156816A1 Process for manufacturing si useful for semiconductor components from quartz sand |
| 11/08/1983 | US4414014 Method of producing a bubble-free vitreous material |
| 09/27/1983 | US4406680 Flame oxidation |
| 09/06/1983 | US4403031 Method for providing optical patterns in glass |
| 08/17/1983 | EP0086132A1 Method of making doped silica glass for processing a preform for an optical fibre |
| 08/09/1983 | US4397897 Bell of translucent fused silica for the precipitation of polysilicon |
| 07/27/1983 | EP0084438A2 Method of forming glass or ceramic article |
| 06/14/1983 | CA1147960A1 Method of producing optical waveguide |
| 03/22/1983 | US4377405 Method for the production of flat, transparent vitreous silica slabs of low bubble content |
| 01/18/1983 | US4368846 Melting burner made of vitreous silica for the production of massive vitreous silica |
| 01/05/1983 | EP0068707A1 Method for providing optical patterns in glass |
| 11/09/1982 | US4358306 Compression molding under a helium atmosphere in a graphite mold |
| 11/03/1982 | EP0063989A1 Process for making luminescent glass layers, application to the making of devices provided with these layers and to the making of photoscintillators |
| 10/19/1982 | CA1133769A1 Method of producing microlenses and a coupling element having a microlens produced in accordance with this method |
| 09/07/1982 | CA1131029A1 Method of fabricating optical fiber preforms |
| 07/20/1982 | US4340627 Winding threads to form coil; then sintering |
| 06/22/1982 | US4336048 Method of producing doped quartz glass |
| 06/22/1982 | US4335934 Single mode fibre and method of making |
| 06/22/1982 | CA1126066A1 Method of drawing glass optical waveguides |
| 04/27/1982 | US4326869 Method of producing optical waveguide |
| 03/02/1982 | US4317668 Method for producing silica glass |
| 02/24/1982 | EP0046281A1 Process for making glass with a preselected refraction index profile having the form of a gradient index profile and a process for making a glass preform for drawing optical fibres for use in the communications industry |
| 11/04/1981 | EP0039179A2 Improvements in or relating to porous glass |
| 10/20/1981 | US4296143 Method of producing microlenses |
| 10/13/1981 | US4294811 Process for manufacturing Si useful for semiconductor components from quartz sand |
| 07/29/1981 | EP0032594A2 Method for producing silica glass |
| 05/27/1981 | EP0029157A1 Process for producing silicon for use in semiconductor components from quartz sand and its use in solar cells |
| 05/06/1981 | EP0028155A1 Single mode optical fibre and method of making it |
| 05/05/1981 | US4265649 Method for preparing a preform for optical waveguides |
| 04/28/1981 | US4264564 Process for the manufacture of high purity silicic acid |
| 04/28/1981 | US4264347 Rod-in-tube method; flowing oxygen and treating agent through at high temperature, collapsing tube |
| 01/06/1981 | US4243422 Granular quartz glass product |
| 11/26/1980 | EP0019327A1 Method of producing doped quartz glass, and objects produced therefrom |
| 11/04/1980 | US4231777 Methods of and apparatus for heating a glass tube |
| 10/15/1980 | EP0017296A2 Process for making microlenses and coupling element comprising a microlens prepared by this process |
| 10/02/1980 | WO1980002020A1 Methods and apparatus for heating a glass tube |
| 09/02/1980 | CA1084710A1 Low temperature manufacture of glass |
| 04/22/1980 | US4199337 Method of fabricating high strength optical preforms |
| 02/12/1980 | CA1071410A1 Method for the production of bubble-free objects of quartz glass by drawing |
| 02/12/1980 | CA1071409A1 Method for the production of bubble-free objects of quartz glass by drawing |
| 10/02/1979 | CA1063352A1 Method for producing an impregnated waveguide |
| 06/12/1979 | US4157906 Method of drawing glass optical waveguides |
| 05/22/1979 | US4155733 Optical fibre manufacture |
| 02/06/1979 | CA1047849A1 Method of making optical waveguides |
| 11/28/1978 | CA1043185A1 Flame hydrolysis mandrel and method of using |
| 07/04/1978 | US4098595 Process for the production of granular quartz glass |
| 08/16/1977 | US4042359 Alkali borosilicate glass, silicon dioxide, boron oxide |
| 07/26/1977 | US4038370 From high-purity silane |
| 06/28/1977 | US4032315 Method for the production of quartz-glass objects by drawing |
| 04/26/1977 | US4019645 Crucible of fused vitreous silica |
| 04/19/1977 | US4018615 Refractory material containing fused silica and crystalline phase silica |
| 03/22/1977 | US4013436 Method for the production of objects of quartz-glass by drawing |
| 03/01/1977 | US4010022 Apparatus for making fused silica tubing |
| 01/20/1976 | US3933454 Method of making optical waveguides |
| 01/20/1976 | US3933453 Flame hydrolysis mandrel and method of using |