GB1338919A - Process for the whiteness of cerium oxide - Google Patents

Process for the whiteness of cerium oxide

Info

Publication number
GB1338919A
GB1338919A GB4284171A GB4284171A GB1338919A GB 1338919 A GB1338919 A GB 1338919A GB 4284171 A GB4284171 A GB 4284171A GB 4284171 A GB4284171 A GB 4284171A GB 1338919 A GB1338919 A GB 1338919A
Authority
GB
United Kingdom
Prior art keywords
cerium oxide
whiteness
sept
additive
ceo
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
GB4284171A
Other languages
English (en)
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.)
KERMIRA Oy
Original Assignee
KERMIRA Oy
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 KERMIRA Oy filed Critical KERMIRA Oy
Publication of GB1338919A publication Critical patent/GB1338919A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00—Compounds of rare earth metals
    • C01F17/20—Compounds containing only rare earth metals as the metal element
    • C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
    • C01F17/224—Oxides or hydroxides of lanthanides
    • C01F17/235—Cerium oxides or hydroxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/60—Optical properties, e.g. expressed in CIELAB-values

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
GB4284171A 1970-09-15 1971-09-14 Process for the whiteness of cerium oxide Expired GB1338919A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI702529A FI46249C (fi) 1970-09-15 1970-09-15 Menetelmä ceriumoksidin valkoisuuden parantamiseksi

Publications (1)

Publication Number Publication Date
GB1338919A true GB1338919A (en) 1973-11-28

Family

ID=8507237

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4284171A Expired GB1338919A (en) 1970-09-15 1971-09-14 Process for the whiteness of cerium oxide

Country Status (5)

Country Link
DE (1) DE2145820C3 (ja)
FI (1) FI46249C (ja)
GB (1) GB1338919A (ja)
NL (1) NL7112704A (ja)
NO (1) NO129400B (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2472601A1 (fr) * 1979-12-27 1981-07-03 Rhone Poulenc Ind Procede de fabrication de compositions de polissage a base de cerium
FR2545830B1 (fr) * 1983-05-13 1986-01-03 Rhone Poulenc Spec Chim Nouvelle composition de polissage a base de cerium et son procede de fabrication
FR2661674B1 (fr) * 1990-05-04 1994-04-08 Rhone Poulenc Chimie Procede de fabrication d'oxalates doubles de terres rares, et d'ammonium et leurs utilisations pour la fabrication d'oxydes de terres rares, oxalates doubles et oxydes obtenus.

Also Published As

Publication number Publication date
FI46249C (fi) 1973-02-12
FI46249B (ja) 1972-10-31
NL7112704A (ja) 1972-03-17
DE2145820C3 (de) 1975-04-17
DE2145820B2 (de) 1974-08-15
NO129400B (ja) 1974-04-08
DE2145820A1 (de) 1972-03-16

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees