Patent EP0301591A2 successfully refreshed from Google Patents.
EP0301591A2
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Composition and process for preparing compound metal oxides
Assignee: Mitsubishi Materials Corp
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Filing: 1988-07-29
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Granted: —
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Expires: 2008-07-29
Abstract
Abstract A composition for forming a compound metal oxide of a specific compsotion and a process for preparing said compound oxide are disclosed. The composition comprises an alkoxide of a rare earth metal, an alkoxide of an alkaline earth metal and an organic acid salt of an organic complex of copper. The process comprises refluxing said composition for reaction and thermally decomposing the reaction product. Also a film-forming composition for forming a thin layer of a compound metal oxide is disclosed. Said film-forming compound comprises the above-mentioned composition plus a film forming resin and an organic solvent.
Inventors
- 👤 Makoto Tsunashima
- 👤 Hiroto Uchida
- 👤 Kazuhiro Sakai
- 👤 Masato Miyauchi
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-09 02:46
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/45; C04B35/4504; C04B35/622; C04B35/626; C04B35/63; C04B35/632; C04B35/636; C04B35/6365; H; H10; H10N; H10N60/00; H10N60/01; H10N60/0268; H10N60/0296; H10N60/0324; Y; Y10; Y10S; Y10S505/00; Y10S505/725; Y10S505/734
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
117 words
A composition for preparing a compound oxide of a rare earth metal, an alkaline earth metal and copper in a specific content ratio which contains: (1) an alkoxide of a rare earth metal, (2) an alkoxide of an alkaline earth metal, and (3) an organic acid salt, a β-diketone complex, a β-ketoester complex or a Schiff base chelate complex of copper, in such content ratio that the amount of the rare earth metal in said alkoxide, the amount of the alkaline earth metal in said alkoxide and the amount of copper in said organic acid salt or complex correspond to the amounts of these metals in the object compound metal oxide, and optionally (4) an organic solvent.
Claim 2
Dependent Claim
117 words
A composition for preparing a compound oxide of a rare earth metal, an alkaline earth metal and copper in a specific content ratio which contains: (1) an alkoxide of a rare earth metal, (2) an alkoxide of an alkaline earth metal, and (3) an organic acid salt, a β-diketone complex, a β-ketoester complex or a Schiff base chelate complex of copper, in such content ratio that the amount of the rare earth metal in said alkoxide, the amount of the alkaline earth metal in said alkoxide and the amount of copper in said organic acid salt or complex correspond to the amounts of these metals in the object compound metal oxide, and optionally (4) an organic solvent.
Claim 3
Dependent Claim
13 words
A composition as recited in Claim 1, which is diluted with a solvent.
Claim 4
Dependent Claim
31 words
A composition as recited in Claim 1, which comprises an alkoxide of a rare earth metal, an alkoxide of an alkaline earth metal and a Schiff base chelate complex of copper.
Claim 5
Dependent Claim
131 words
A process for preparing a compound metal oxide of a rare earth metal, an alkaline earth metal and copper in a specific content ratio comprising: heating for reaction a composition which contains: (1) an alkoxide of a rare earth metal, (2) an alkoxide of an alkaline earth metal, and (3) an organic acid salt, a β-diketone complex, a β-ketoester, complex or a Schiff base chelate complex of copper in such content ratio that the amount of the rare earth metal in said alkoxide, the amount of the alkaline earth metal in said alkoxide and the amount of copper in said organic acid salt or complex correspond to the amounts of these metals in the object compound metal oxide, and optionally (4) an organic solvent, and thermally decomposing the formed reaction product.
Claim 6
Dependent Claim
131 words
A process for preparing a compound metal oxide of a rare earth metal, an alkaline earth metal and copper in a specific content ratio comprising: heating for reaction a composition which contains: (1) an alkoxide of a rare earth metal, (2) an alkoxide of an alkaline earth metal, and (3) an organic acid salt, a β-diketone complex, a β-ketoester, complex or a Schiff base chelate complex of copper in such content ratio that the amount of the rare earth metal in said alkoxide, the amount of the alkaline earth metal in said alkoxide and the amount of copper in said organic acid salt or complex correspond to the amounts of these metals in the object compound metal oxide, and optionally (4) an organic solvent, and thermally decomposing the formed reaction product.
Claim 7
Dependent Claim
16 words
A process as recited in Claim 4, wherein the composition is heated at the reflux temperature.
Claim 8
Dependent Claim
32 words
A process as recited in Claim 4, wherein said compositon comrises an alkoxide of a rare earth metal, an alkoxide of alkaline earth metal and a Schiff base chelate complex of copper.
Claim 9
Dependent Claim
25 words
A process as recited in Claim 4, wherein thermal decomposition of the reaction product is conducted by heating said reaction product in the sprayed condition.
Claim 10
Dependent Claim
108 words
A film-forming composition for forming thin film of the compound metal oxide comprising (1) an alkoxide of a rare earth metal, (2) an alkoxide of an alkaline earth metal, and (3) an organic acid salt, a β-diketone complex, a β-ketoester, complex or a Schiff base chelate complex of copper, in such content ratio that the amount of the rare earth metal in said alkoxide, the amount of the alkaline earth metal in said alkoxide and the amount of copper in said organic acid salt or complex correspond to the amounts of these metals in the object compound metal oxide, (4) a film-forming resin, and (5) an organic solvent.
Claim 11
Dependent Claim
108 words
A film-forming composition for forming thin film of the compound metal oxide comprising (1) an alkoxide of a rare earth metal, (2) an alkoxide of an alkaline earth metal, and (3) an organic acid salt, a β-diketone complex, a β-ketoester, complex or a Schiff base chelate complex of copper, in such content ratio that the amount of the rare earth metal in said alkoxide, the amount of the alkaline earth metal in said alkoxide and the amount of copper in said organic acid salt or complex correspond to the amounts of these metals in the object compound metal oxide, (4) a film-forming resin, and (5) an organic solvent.
Claim 12
Dependent Claim
18 words
A film-forming composition as recited in Claim 8, wherein a Schiff base chelate complex of copper is used.
Claim 13
Dependent Claim
18 words
A film-forming composition as recited in Claim 8, wherein said film-forming resin is ethyl cellulose, nitrocellulose or ethylhydroxycellulose.
References Cited (Backward Citations)
No citation records indexed.
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