| Patents for C03B 20 - Processes specially adapted for the production of quartz or fused silica articles (2,756) |
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| 02/19/1998 | WO1998007053A2 Fused silica having high resistance to optical damage |
| 01/29/1998 | WO1998003440A1 Method of producing quartz glass bodies |
| 01/22/1998 | DE19628958A1 Verfahren zur Herstellung von Quarzglaskörpern A process for the production of quartz glass bodies |
| 12/30/1997 | US5703191 Method for purifying polyalkylsiloxanes and the resulting products |
| 12/09/1997 | US5696038 Optics |
| 12/02/1997 | US5693115 Process for production of glass preform for optical fiber including consolidating in a furnace with a temperature gradient |
| 11/26/1997 | EP0808799A1 Apparatus for doping silica powder |
| 11/26/1997 | CN1166166A Electric incandescent lamp with a quartz glass lamp vessel |
| 11/21/1997 | CA2207122A1 Silica powder doping device |
| 11/06/1997 | DE19710672A1 Quartz glass crucible for silicon single crystal production |
| 11/04/1997 | US5683483 Manufacturing method and equipment for large, high-purity flat or curved quartz glass plate |
| 10/21/1997 | CA2037102C Method of making fused silica |
| 10/07/1997 | CA2058183C Process for the production of an optical waveguide preform |
| 10/01/1997 | EP0797548A1 Electric incandescent lamp with a quartz glass lamp vessel |
| 09/30/1997 | CA2076737C Apparatus for forming porous preform used to fabricate optical fiber |
| 09/25/1997 | WO1997034841A1 Method of making glass |
| 09/17/1997 | CN1159590A Improved method for producing plane optical waveguide |
| 09/16/1997 | US5668067 High purity fused silica having high resistance to optical damage |
| 09/16/1997 | US5667547 Method for manufacture of quartz glass plates |
| 09/12/1997 | WO1997032821A1 Method of increasing the initial transmittance of optical glass |
| 09/09/1997 | US5665139 Mold for production of a quartz glass component |
| 09/09/1997 | US5665133 Process for production of pure transparent quartz |
| 09/09/1997 | US5665132 Process for the sintering of hollow cylinders of silicon dioxide soot |
| 08/20/1997 | EP0790213A1 Process for the preparation of silica |
| 08/13/1997 | CN1156698A Method for producing non-transparent quartz glass material lump |
| 08/13/1997 | CN1035608C Continuous electrofusion method for non-hydroxy transparent quartz glass |
| 07/09/1997 | CN1153795A Method for purifying polyalkylsiloxanes and resulting products |
| 06/26/1997 | WO1997022553A1 Method and apparatus for forming fused silica by combustion of liquid reactants |
| 06/26/1997 | CA2233021A1 Method and apparatus for forming fused silica by combustion of liquid reactants |
| 06/18/1997 | CN1152037A Method for improving zero dislocation yield of single crystals |
| 06/17/1997 | US5639290 Process for producing a glass preform for an optical fiber and apparatus for the same |
| 05/28/1997 | EP0775672A1 Process for producing a flat, glasslike or ceramic shaped article of structured surface |
| 05/09/1997 | WO1997016382A1 Process for producing quartz glass optical body for ultraviolet-emitting lasers and quartz glass body produced according to the process |
| 05/02/1997 | EP0770584A1 Method for producing heat-resistant synthetic quartz glass |
| 04/24/1997 | WO1997014660A1 Electric incandescent lamp with a quartz glass lamp vessel |
| 04/16/1997 | EP0767761A1 Sintered quartz glass products and methods for making same |
| 04/01/1997 | US5616159 Method of forming high purity fused silica having high resistance to optical damage |
| 03/26/1997 | EP0687391B1 Light guide for optical fibre amplifiers for the wavelength range around 1300 nm |
| 03/20/1997 | WO1997010184A1 Boule oscillation patterns for producing fused silica glass |
| 03/20/1997 | WO1997010182A1 Furnace, method of use, and optical product made by furnace in producing fused silica glass |
| 03/19/1997 | EP0762996A1 Method of producing structured inorganic layers |
| 03/13/1997 | WO1997009645A1 A method and apparatus for the construction of photosensitive waveguides |
| 03/13/1997 | CA2231373A1 A method and apparatus for the construction of photosensitive waveguides |
| 03/05/1997 | EP0760373A2 Method for purifying polyalkylsiloxanes and the resulting products |
| 03/02/1997 | CA2181329A1 Method for purifying polyalkylsiloxanes and the resulting products |
| 02/26/1997 | EP0703878B1 Improvements in vitreous silica manufacture |
| 02/18/1997 | US5604163 Free of bubbles, used in optical fibers, semiconductors |
| 02/12/1997 | EP0757665A1 Cristobalite-contained silica glass, method of producing same and silica glass jig made of same |
| 01/29/1997 | EP0755900A1 Process and apparatus for producing a quartz glass preform by vapour phase deposition |
| 01/15/1997 | EP0753605A1 Methods for improving zero dislocation yield of single crystals |
| 01/02/1997 | EP0751408A1 A method of sintering glass preforms for manufacturing planar optical waveguides |
| 12/11/1996 | EP0747327A1 Method of thermally treating and consolidating silica preforms for reducing laser-induced optical damage in silica |
| 12/04/1996 | EP0745705A1 Method of manufacturing a double-crucible for the Czochralski growing technique |
| 11/12/1996 | US5573983 Fine silica tube and process for making same |
| 11/12/1996 | CA2071284C Optical fiber and process of producing same |
| 11/05/1996 | US5572091 Radiation resistance of quartz glass doped with cerium in the form of oxide |
| 10/16/1996 | EP0737654A1 High purity fused silica having high resistance to optical damage |
| 10/02/1996 | EP0735006A1 Method for producing silica glass used for photolithography, and silica glass and optical members produced by the method |
| 09/06/1996 | WO1996026908A1 Cristobalite-contained silica glass, method of producing same and silica glass jig made of same |
| 09/04/1996 | EP0729918A1 Polygonal quartz glass rod and method for making it |
| 08/20/1996 | US5547482 Method of making fused silica articles |
| 06/11/1996 | US5526459 Erbium-doped silica optical fiber preform |
| 05/23/1996 | DE19541372A1 Mfg. quartz crucible for Czochralski semiconductor crystals |
| 05/22/1996 | CN1122783A Method and apparatus for making quartz glass plate |
| 05/15/1996 | EP0711736A1 Pure transparent quartz glass and process for production thereof |
| 05/07/1996 | US5513983 Apparatus for vitrifying soot preform for optical fiber |
| 04/24/1996 | CN1121051A Method for sinterring hollow cylinder of silicon dioxide-carbon ink and fastening device of hollow cylinder |
| 04/03/1996 | EP0704891A1 Quartz glass jig for heat-treating semiconductor wafers and method for producing same |
| 04/03/1996 | EP0703878A1 Improvements in vitreous silica manufacture |
| 03/20/1996 | EP0701975A2 Process for sintering hollow tubes of silica soot and support device therefor |
| 03/20/1996 | CN1119052A Light guide for optical fibre amplifiers for the wavelength range around 1300 nm |
| 01/24/1996 | EP0693461A1 Quartz glass crucible, method for producing the same, and apparatus for producing the same |
| 01/18/1996 | DE4432806C1 Device for holding quartz-glass hollow cylinders in optical fibre mfr. |
| 01/17/1996 | EP0692461A1 Synthetic silica glass powder |
| 01/11/1996 | WO1996000702A1 Sintered quartz glass products and methods for making same |
| 01/11/1996 | DE19524545A1 Defect-free glass object prodn. |
| 12/20/1995 | EP0687391A1 Light guide for optical fibre amplifiers for the wavelength range around 1300 nm |
| 12/12/1995 | US5474588 Soot formation process |
| 12/06/1995 | EP0536312B1 Apparatus and method of forming optical waveguides on metalized substrates |
| 11/29/1995 | EP0684211A1 Process and apparatus for manufacturing quartz glass sheets |
| 11/23/1995 | WO1995031413A1 Method of producing structured inorganic layers |
| 11/23/1995 | DE4417405A1 Verfahren zur Herstellung von strukturierten anorganischen Schichten A process for the production of structured inorganic layers |
| 11/21/1995 | US5468135 Apparatus for manufacture of containers for materials being heated |
| 11/09/1995 | DE4438134C1 Mould for casting quartz glass or glass containing high amount of silicic acid |
| 11/07/1995 | US5464462 Melting with cerium aluminate; continuous extrusion |
| 09/27/1995 | EP0673888A1 Synthetic silica glass formed article for optical use and method for preparing the same |
| 09/20/1995 | CN1108623A Apparatus for vitrifying soot preform for optical fiber |
| 08/15/1995 | US5441681 Process for manufacture of containers for materials being heated |
| 07/26/1995 | CN1105650A Formed body with high silicon dioxide content and preparation of same |
| 07/12/1995 | CN1029307C Method for manufacturing lightware conductor blank |
| 06/20/1995 | US5425795 Method for pulling-up a porous silica glass preform |
| 06/13/1995 | US5423898 Method of lowering and raising a optical fiber preform in a sintering furnace |
| 06/01/1995 | DE4418401C1 Continuous quartz glass plate mfr. |
| 05/18/1995 | WO1995013248A1 Moulded body made of quartz glass and process for the manufacture thereof |
| 05/18/1995 | DE4440104A1 Quartz glass moulding with transparent surface region |
| 05/17/1995 | EP0653381A1 Body with high silica content and method for making such a body |
| 03/15/1995 | CN1100065A Method for making fumed silica having a reduced aggregate size and product |
| 03/07/1995 | US5395413 Method for producing fused silica with low sodium ion contamination level |
| 02/22/1995 | CN1099012A Process for thermal treatment of glass fiber preform |
| 02/01/1995 | EP0636586A1 Photomask substrate plate of synthetic fused silica glass for photolithography |