FR2021805A1 - - Google Patents

Info

Publication number
FR2021805A1
FR2021805A1 FR6936757A FR6936757A FR2021805A1 FR 2021805 A1 FR2021805 A1 FR 2021805A1 FR 6936757 A FR6936757 A FR 6936757A FR 6936757 A FR6936757 A FR 6936757A FR 2021805 A1 FR2021805 A1 FR 2021805A1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
FR6936757A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2021805A1 publication Critical patent/FR2021805A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/095—Glass compositions containing silica with 40% to 90% silica, by weight containing rare earths
    • 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
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/102—Glass compositions containing silica with 40% to 90% silica, by weight containing lead
    • C03C3/105—Glass compositions containing silica with 40% to 90% silica, by weight containing lead containing aluminium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)
FR6936757A 1968-10-29 1969-10-27 Withdrawn FR2021805A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6815397A NL6815397A (de) 1968-10-29 1968-10-29

Publications (1)

Publication Number Publication Date
FR2021805A1 true FR2021805A1 (de) 1970-07-24

Family

ID=19805028

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6936757A Withdrawn FR2021805A1 (de) 1968-10-29 1969-10-27

Country Status (10)

Country Link
US (1) US3663246A (de)
AT (1) AT289217B (de)
BE (1) BE740926A (de)
BR (1) BR6913674D0 (de)
DE (1) DE1952922C3 (de)
ES (1) ES372917A1 (de)
FR (1) FR2021805A1 (de)
GB (1) GB1238133A (de)
HK (1) HK63976A (de)
NL (1) NL6815397A (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4961219A (de) * 1972-10-06 1974-06-13
US3987330A (en) * 1975-04-25 1976-10-19 Owens-Illinois, Inc. Zirconia containing glass compositions for cathode ray tubes
NL7705731A (nl) * 1977-05-25 1978-11-28 Philips Nv Kathodestraalbuis.
US4390637A (en) * 1980-09-10 1983-06-28 Nippon Electric Glass Company, Limited X-Ray absorbing glass for a color cathode ray tube having a controlled chromaticity value and a selective light absorption
US4804885A (en) * 1982-02-04 1989-02-14 Tektronix, Inc. X-ray attenuating ceramic materials
US4949010A (en) * 1982-02-04 1990-08-14 Tektronix, Inc. X-ray attenuating ceramic materials
FR2560870B1 (fr) * 1984-03-09 1991-06-21 Corning Glass Works Verres a faible teneur en oxyde de plomb utiles pour la realisation de composants electriques

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE536082A (de) * 1954-03-01 1955-08-29
NL6504105A (de) * 1965-04-01 1966-10-03
NL6609666A (de) * 1966-07-09 1968-01-10

Also Published As

Publication number Publication date
GB1238133A (de) 1971-07-07
NL6815397A (de) 1970-05-04
HK63976A (en) 1976-10-22
ES372917A1 (es) 1972-02-01
DE1952922B2 (de) 1978-05-11
DE1952922C3 (de) 1978-12-21
US3663246A (en) 1972-05-16
AT289217B (de) 1971-04-13
BR6913674D0 (pt) 1973-01-11
BE740926A (de) 1970-04-28
DE1952922A1 (de) 1970-05-06

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Legal Events

Date Code Title Description
ST Notification of lapse