NL8104214A - Werkwijze voor het verwijderen van verontreinigingen uit vloeibare chloriden; werkwijze voor het vervaardigen van optische vezels; met deze werkwijze verkregen produkten. - Google Patents

Werkwijze voor het verwijderen van verontreinigingen uit vloeibare chloriden; werkwijze voor het vervaardigen van optische vezels; met deze werkwijze verkregen produkten. Download PDF

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Publication number
NL8104214A
NL8104214A NL8104214A NL8104214A NL8104214A NL 8104214 A NL8104214 A NL 8104214A NL 8104214 A NL8104214 A NL 8104214A NL 8104214 A NL8104214 A NL 8104214A NL 8104214 A NL8104214 A NL 8104214A
Authority
NL
Netherlands
Prior art keywords
chloride
pcl
reagent
hcl
pocl
Prior art date
Application number
NL8104214A
Other languages
English (en)
Dutch (nl)
Original Assignee
Western Electric Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Western Electric Co filed Critical Western Electric Co
Publication of NL8104214A publication Critical patent/NL8104214A/nl

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/10—Halides or oxyhalides of phosphorus
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/08—Compounds containing halogen
    • C01B33/107—Halogenated silanes
    • C01B33/10778—Purification
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G17/00—Compounds of germanium
    • C01G17/04—Halides of germanium
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C13/00—Fibre or filament compositions
    • C03C13/04—Fibre optics, e.g. core and clad fibre compositions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Glass Compositions (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Silicon Compounds (AREA)
  • Chemical Vapour Deposition (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
NL8104214A 1980-09-12 1981-09-11 Werkwijze voor het verwijderen van verontreinigingen uit vloeibare chloriden; werkwijze voor het vervaardigen van optische vezels; met deze werkwijze verkregen produkten. NL8104214A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US18659080 1980-09-12
US06/186,590 US4310341A (en) 1980-09-12 1980-09-12 Removal of --OH impurities from fiber optic precursor materials

Publications (1)

Publication Number Publication Date
NL8104214A true NL8104214A (nl) 1982-04-01

Family

ID=22685538

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8104214A NL8104214A (nl) 1980-09-12 1981-09-11 Werkwijze voor het verwijderen van verontreinigingen uit vloeibare chloriden; werkwijze voor het vervaardigen van optische vezels; met deze werkwijze verkregen produkten.

Country Status (6)

Country Link
US (1) US4310341A (ja)
JP (1) JPS5782136A (ja)
DE (1) DE3135916A1 (ja)
FR (1) FR2490205B1 (ja)
GB (1) GB2083802B (ja)
NL (1) NL8104214A (ja)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3338714A1 (de) * 1983-10-25 1985-05-02 Wacker-Chemitronic Gesellschaft für Elektronik-Grundstoffe mbH, 8263 Burghausen Verfahren zur verringerung des hydroxylanteils in lichtwellenleitern
DE3502367A1 (de) * 1985-01-25 1986-07-31 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren zum entfernen von wasserstoff aus in siliziumtetrachlorid oder germaniumtetrachlorid geloesten wasserstoffhaltigen verbindungen
US4604118A (en) * 1985-08-13 1986-08-05 Corning Glass Works Method for synthesizing MgO--Al2 O3 --SiO2 glasses and ceramics
DE3530153A1 (de) * 1985-08-23 1987-03-05 Licentia Gmbh Verfahren zur herstellung eines aerosolstromes
JPH0791081B2 (ja) * 1986-07-03 1995-10-04 住友電気工業株式会社 シングルモ−ドフアイバ用ガラス母材の製造方法
US6131415A (en) * 1997-06-20 2000-10-17 Lucent Technologies Inc. Method of making a fiber having low loss at 1385 nm by cladding a VAD preform with a D/d<7.5
CA2295490A1 (en) * 1997-07-15 1999-01-28 William A. Whedon Decreased h2 sensitivity in optical fiber
AT406273B (de) * 1997-10-23 2000-03-27 Prior Eng Ag Verfahren zum aufschliessen von edelmetallhaltigen materialien
NL1019371C2 (nl) * 2001-11-15 2003-05-16 Draka Fibre Technology Bv Werkwijze voor het bereiden van zeer zuiver siliciumchloride en/of germaniumchloride.
US20040057692A1 (en) * 2002-08-28 2004-03-25 Ball Laura J. Low loss optical fiber and method for making same
US20060130530A1 (en) * 2004-12-21 2006-06-22 Anderson James G Method of doping silica glass with an alkali metal, and optical fiber precursor formed therefrom
DE102005041137A1 (de) * 2005-08-30 2007-03-01 Degussa Ag Reaktor, Anlage und großtechnisches Verfahren zur kontinuierlichen Herstellung von hochreinem Siliciumtetrachlorid oder hochreinem Germaniumtetrachlorid
CN101583891A (zh) * 2005-11-23 2009-11-18 康宁股份有限公司 低衰减非零色散位移光纤
CN108821254B (zh) * 2018-09-11 2021-11-26 安徽东至广信农化有限公司 一种三氯化磷合成工艺中去除无机及有机杂质的方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2771416A (en) * 1950-03-06 1956-11-20 Edmund J Ryan Water purification
US2811418A (en) * 1952-03-20 1957-10-29 Bell Telephone Labor Inc Purification of germanium tetrachloride
DE1029811B (de) * 1955-08-31 1958-05-14 Western Electric Co Verfahren zur Reinigung von Silicium-tetrachlorid und Germaniumtetrachlorid
US3102786A (en) * 1961-06-14 1963-09-03 American Metal Climax Inc Purification of germanium tetrachloride
NL128054C (ja) * 1963-01-29
US3296069A (en) * 1965-08-20 1967-01-03 Monsanto Co Solid shaped sterilizing, sanitizing, and disinfecting compositions
US3733266A (en) * 1971-09-07 1973-05-15 Administrator Of The Environme Waste water purification by breakpoint chlorination and carbon adsorption
US3929637A (en) * 1973-07-25 1975-12-30 Ethyl Corp Deodorizing process
US3944487A (en) * 1974-02-06 1976-03-16 Thiokol Corporation Catalytic filtering-incinerating process and device for waste water
US4217027A (en) * 1974-02-22 1980-08-12 Bell Telephone Laboratories, Incorporated Optical fiber fabrication and resulting product
US4162908A (en) * 1975-08-16 1979-07-31 Heraeus Quarzschmelze Gmbh Method of producing synthetic quartz glass, apparatus for the practice of the method, and use of the synthetic quartz glass
JPS53100193A (en) * 1977-02-14 1978-09-01 Shin Etsu Chem Co Ltd Silicon tetrachloride purifying method

Also Published As

Publication number Publication date
JPH0348125B2 (ja) 1991-07-23
DE3135916C2 (ja) 1990-07-26
GB2083802B (en) 1983-09-14
JPS5782136A (en) 1982-05-22
FR2490205A1 (fr) 1982-03-19
GB2083802A (en) 1982-03-31
FR2490205B1 (fr) 1987-01-30
US4310341A (en) 1982-01-12
DE3135916A1 (de) 1982-05-27

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed