FR666940A - Process for improving synthetic gemstones - Google Patents

Process for improving synthetic gemstones

Info

Publication number
FR666940A
FR666940A FR666940DA FR666940A FR 666940 A FR666940 A FR 666940A FR 666940D A FR666940D A FR 666940DA FR 666940 A FR666940 A FR 666940A
Authority
FR
France
Prior art keywords
improving synthetic
synthetic gemstones
gemstones
improving
synthetic
Prior art date
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.)
Expired
Application number
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Application granted granted Critical
Publication of FR666940A publication Critical patent/FR666940A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/10—Inorganic compounds or compositions
    • C30B29/16—Oxides
    • C30B29/22—Complex oxides
    • C30B29/26—Complex oxides with formula BMe2O4, wherein B is Mg, Ni, Co, Al, Zn, or Cd and Me is Fe, Ga, Sc, Cr, Co, or Al
FR666940D 1929-01-04 1929-01-04 Process for improving synthetic gemstones Expired FR666940A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR666940T 1929-01-04

Publications (1)

Publication Number Publication Date
FR666940A true FR666940A (en) 1929-10-08

Family

ID=9014162

Family Applications (1)

Application Number Title Priority Date Filing Date
FR666940D Expired FR666940A (en) 1929-01-04 1929-01-04 Process for improving synthetic gemstones

Country Status (1)

Country Link
FR (1) FR666940A (en)

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