| Patents for C03B 20 - Processes specially adapted for the production of quartz or fused silica articles (2,756) |
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| 09/10/2004 | WO2004076725A1 Method for producing quartz glass crucible for use in pulling silicon single crystal and quartz glass crucible produced by said method |
| 09/09/2004 | DE19524545B4 Herstellungsverfahren für Gegenstände aus synthetischem Kieselsäureglas A method for manufacturing objects made of synthetic silica glass |
| 09/02/2004 | DE10308466A1 Producing quartz glass material used in microlithography-projection devices comprises minimizing the amount of peroxide defects in the material |
| 08/19/2004 | US20040159125 Method of supporting glass base material and supporting pin |
| 08/19/2004 | DE10156137B4 Verfahren zur Herstellung eines Kieselglastiegels mit kristallinen Bereichen aus einem porösen Kieselglasgrünkörper A method for producing a silica glass crucible with the crystalline areas of a porous silica glass green body |
| 08/18/2004 | CN1522230A Method of producing a quartz glass crucible |
| 08/12/2004 | DE10240008B4 Verfahren und Vorrichtung zur Herstellung eines Quarzglas-Rohlings Method and apparatus for producing a quartz glass blank |
| 08/11/2004 | CN1161292C Composition for producing quartz glass by sol-gel process |
| 08/05/2004 | US20040149131 Gas-selective permeable membrane and method of manufacturing thereof |
| 08/05/2004 | US20040148968 Synthesized silica glass optical member and method for manufacturing the same |
| 08/04/2004 | EP1441994A1 Fused silica having high internal transmission and low birefringence |
| 08/04/2004 | EP1441992A1 Improved methods and furnaces for fused silica production |
| 08/04/2004 | EP1324959B1 Electrophoretically redensified sio2 - moulded body, method for the production and use thereof |
| 08/04/2004 | EP0868401B1 Method and apparatus for forming fused silica by combustion of liquid reactants |
| 07/29/2004 | US20040144134 Manufacture of high purity glass tubes |
| 07/28/2004 | EP1441209A2 Gas-selective permeable membrane and method for its production |
| 07/28/2004 | EP1440951A1 Method for recycling waste glass and recycled glass |
| 07/28/2004 | CN1159266C Silica glass monolith fabricating method using sol-gel process |
| 07/28/2004 | CN1159242C Process for preparing high-strength antifatigue optical fibre |
| 07/20/2004 | US6763682 Process and apparatus for manufacturing a glass ingot from synthetic silica |
| 07/15/2004 | DE10262015B3 Verfahren für die Herstellung eines opaken Quarzglas-Kompositwerkstoffs A process for the production of an opaque quartz glass composite material |
| 07/15/2004 | DE10260320A1 In Teilbereichen verglaster SiO2-Formkörper, Verfahren zu seiner Herstellung und Verwendung In partial regions a glazed SiO2 moldings, process for its preparation and use |
| 07/08/2004 | DE10359951A1 Verfahren zur Herstellung von ultratrockenem, Cl-freiem und F-dotiertem hochreinem Quarzglas Process for the preparation of ultra dry, Cl-free and F-doped high-purity quartz |
| 07/07/2004 | CN1510001A Partial-zone glass SiO2 forming article, producing method and use thereof |
| 07/07/2004 | CN1509984A Combing preparing method for silicon tetrachloride, polycrystalline silicon and fused silica |
| 06/24/2004 | US20040118208 Using vacuum furnace ; melting sample; measurement vibration cycles; calibration |
| 06/24/2004 | US20040118158 SiO2 shaped body which has been vitrified in partial areas, process for producing it, and its use |
| 06/24/2004 | US20040118155 Method of making ultra-dry, Cl-free and F-doped high purity fused silica |
| 06/17/2004 | WO2004050570A1 Method for producing synthetic quartz glass and synthetic quartz glass article |
| 06/17/2004 | US20040115440 Crucible with stabilizing layer with higher softening points; heat injection |
| 06/17/2004 | US20040112274 Reinforcing process of silica glass substance and reinforced silica glass crucible |
| 06/16/2004 | CN1504783A Method of producing optical fiber preforms |
| 06/10/2004 | US20040109942 Vapor deposition; multilayer, core, interior and exterior cladding; marine cables |
| 06/09/2004 | EP1426342A1 Process of making an optical fibre preform |
| 06/08/2004 | CA2106130C Quartz glass with reduced ultraviolet radiation transmissivity, method of its manufacture, and electrical discharge lamp using such glass |
| 06/03/2004 | WO2004046056A1 Synthetic quartz glass member and ultraviolet exposure apparatus using same |
| 06/02/2004 | CN1501897A Electrophoretically redensified sio2 moulded body, method for the production and use thereof |
| 06/02/2004 | CN1152079C Method for purifying polyalkylsiloxanes and resulting products |
| 06/02/2004 | CN1151986C High efficiency monolithic glass light shaping diffuser and manufacturing method thereof |
| 06/01/2004 | US6744458 Internally marked quartz glass, quartz glass substrate for optical member, and marking method |
| 05/25/2004 | US6739151 Method of producing a quartz glass tube and drill body for performing the method |
| 05/19/2004 | EP1419404A1 Silica glass optical component and method of making the same |
| 05/19/2004 | CN1498196A Quartz glass component and method for production thereof |
| 05/19/2004 | CN1498194A Method of supporting glass base material and supporting pin |
| 05/19/2004 | CN1497071A Evaluation technology of reactivity of quartz glass and fused silicon and vibration of fused silicon surface |
| 05/19/2004 | CN1496965A Reinorcing method of quartz glass material and reinforced quartz glass crucible |
| 05/12/2004 | CN2615130Y Large size quarts glass melting furnace |
| 05/12/2004 | CN2615129Y Vertical synthetic quartz glass sedimentation furnace |
| 05/06/2004 | EP1097110B1 Process and apparatus for manufacturing a glass ingot from synthetic silica |
| 04/29/2004 | WO2004036632A1 Method of recycling quartz glass tool |
| 04/28/2004 | EP1413652A1 Evaluation process of reactivity of silicia glass with silicon melt and vibration at its surface, and silicia glass crucible not causing the surface vibration |
| 04/28/2004 | EP1413559A1 High purity synthetic vitreous silica particles |
| 04/28/2004 | EP0973957A4 Method of making titania-doped fused silica |
| 04/21/2004 | EP1411032A1 HIGH PURITY QUARTZ POWDER AND METHOD FOR PRODUCTION THEREOF, AND FORMED GLASS ARTICLE FROM THE POWDER |
| 04/21/2004 | CN1490267A Method for manufacturing rare earth extended fibre-optical prefabricated bar |
| 04/14/2004 | EP1408015A2 Quartz glass crucible, its process of manufacture and use |
| 04/08/2004 | DE10243953A1 Production of a component made from opaque quartz glass used in thermal applications comprises preparing a suspension made from granular silicon dioxide and a liquid, homogenizing, pouring into a mold, drying, and sintering |
| 04/07/2004 | CN1486946A Method for reforming quartz glass crucible |
| 03/31/2004 | EP0958255A4 Silica with low compaction under high energy irradiation |
| 03/25/2004 | WO2004024641A1 Method and device for production of a quartz glass blank |
| 03/18/2004 | WO2003077038A3 Reduced striae extreme ultraviolegt lithographic elements, a method of manufacturing the same and a method of measuring striae |
| 03/18/2004 | US20040053767 Electrophoretically redensified sio2 moulded body method for the production and use thereof |
| 03/18/2004 | US20040050099 Reforming process of quartz glass crucible |
| 03/18/2004 | US20040050098 Method and feedstock for making photomask material |
| 03/18/2004 | DE19962452B4 Verfahren für die Herstellung von opakem Quarzglas A process for the production of opaque quartz glass |
| 03/18/2004 | DE10341569A1 Manufacture of extreme ultraviolet optical element comprises providing forming sol into titania-containing silica shaped gel having homogenous distribution of titania, drying the gel, and heating silica body to form glass body |
| 03/18/2004 | DE10240008A1 Production of a quartz glass blank used in the production of optical components and light conducting fibers comprises producing silicon dioxide particles using deposition burners and depositing onto a casing surface of a rotating support |
| 03/11/2004 | US20040045318 Method of making silica-titania extreme ultraviolet elements |
| 03/09/2004 | US6701752 Synthesized silica glass optical member and method for manufacturing the same |
| 03/02/2004 | US6699808 Homogeneous pourable dispersion of amorphous silica particles having bimodal particle size distribution with solids content of at least 80% by weight |
| 03/02/2004 | US6698248 Methods and furnaces for fused silica production |
| 03/02/2004 | US6698054 Method for fabricating high-purity silica glass using sol-gel processing |
| 02/25/2004 | EP1391542A1 Reforming process of quartz glass crucible |
| 02/19/2004 | WO2003076352A3 Method and apparatus for manufacturing silica-titania extreme ultraviolet elements |
| 02/18/2004 | CN1475453A Zinc selenide nano crystal in situ growth method in silicon dioxide gel glass substrate |
| 02/12/2004 | WO2004013384A1 Quartz glass crucible for pulling up silicon single crystal and method for producing the same |
| 02/12/2004 | WO2004013061A1 Synthetic quartz glass optical material for yag laser with higher harmonic |
| 02/12/2004 | US20040027555 Reduced striae extreme ultraviolet elements |
| 02/12/2004 | US20040025783 Method for producing hydrogen-doped silica powder, hydrogen-doped silica powder obtained from that method for use in a quartz glass crucible |
| 02/12/2004 | DE10048368B4 Kohleelektrode zum Schmelzen von Quarzglas und Verfahren zu ihrer Herstellung Carbon electrode for melting quartz glass, and process for their preparation |
| 02/10/2004 | US6689705 Synthetic quartz glass optical material and optical member |
| 02/04/2004 | EP1386890A2 Quartz glass jig and method for producing the same |
| 02/03/2004 | US6684664 Process for manufacture of a component made of opaque synthetic quartz glass |
| 02/03/2004 | CA2293996C Composition for production of silica glass using sol-gel process |
| 01/28/2004 | CN1470465A Colloidal silicon dioxide composition and production method thereof |
| 01/28/2004 | CN1136158C Process for drawing quartz glass tube |
| 01/08/2004 | WO2004002907A1 A method for the preparation of doped oxide material |
| 01/06/2004 | US6672107 Quartz glass crucible and process for the production thereof |
| 01/02/2004 | EP1375702A2 Doped silica glass crucible for making a silicon ingot |
| 01/02/2004 | EP1375441A1 Method of supporting glass base material and supporting pin |
| 01/02/2004 | EP1373151A1 Oxygen doping of silicon oxyfluoride glass |
| 01/01/2004 | US20040002551 Aqueous solution of organosilicon compound; agitation; gelation |
| 12/30/2003 | CA2116701C Process for production of glass preform for optical fiber |
| 12/18/2003 | WO2003104154A1 Jacket tube made of synthetically produced quartz glass and optical fibres produced using said jacket tube |
| 12/18/2003 | WO2003104153A1 Fabrication of heavy walled silica tubing |
| 12/18/2003 | US20030232149 Dispersion comprising silicon/titanium mixed oxide powder, and green bodies and shaped glass articles produced therefrom |
| 12/17/2003 | EP1370498A1 Quartz glass component and method for the production thereof |
| 12/17/2003 | EP1370495A1 Method for producing a quartz glass crucible |
| 12/16/2003 | US6663683 Aqueous dispersions, process for their production, and their use |
| 12/11/2003 | US20030228119 Production method of optical synthetic quartz glass, optical synthetic quartz glass, and annealing furnace |