Global Patent Index - EP 0348288 A1

EP 0348288 A1 19891227 - Method of preparing zirconia film.

Title (en)

Method of preparing zirconia film.

Title (de)

Verfahren zur Herstellung einer Zirkoniumoxidschicht.

Title (fr)

Procédé de préparation d'un film d'oxyde de zirconium.

Publication

EP 0348288 A1 19891227 (EN)

Application

EP 89401714 A 19890616

Priority

JP 15387588 A 19880622

Abstract (en)

A zirconia film is prepared by coating a substrate with a zirconium acetylacetonate suspension formed into a sol obtained by carrying out hydrolysis of zirconium acetylacetonate by adding water in an amount of from 10 to 12 mols per mol of zirconium acetylacetonate in an organic solvent solution comprising zirconium acetylacetonate, or an organic solvent solution comprising zirconium acetylacetonate and a different type of acetylacetonate metaliic complex added, followed by heating at a temperature not lower than 200 DEG C.

IPC 1-7

C23C 18/12

IPC 8 full level

C01G 25/02 (2006.01); C04B 41/87 (2006.01); C23C 18/12 (2006.01)

CPC (source: EP)

C23C 18/1216 (2013.01); C23C 18/1254 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0348288 A1 19891227; EP 0348288 B1 19920826; DE 68902597 D1 19921001; DE 68902597 T2 19930121; JP 2512402 B2 19960703; JP H024977 A 19900109

DOCDB simple family (application)

EP 89401714 A 19890616; DE 68902597 T 19890616; JP 15387588 A 19880622