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    • 9. 发明专利
    • Metal oxide film deposition method
    • 金属氧化物膜沉积方法
    • JP2004300575A
    • 2004-10-28
    • JP2004073176
    • 2004-03-15
    • Showa Denko Kk昭和電工株式会社
    • UEDA TAKASHITANI TAKASHISAITO MAKOTO
    • C01G23/04B01J21/06B01J35/02B01J37/02C03C17/245C23C16/40
    • PROBLEM TO BE SOLVED: To provide a metal oxide film deposition method in which an inexpensive raw material is used, and less vaporization residue is left in an obtained film in a spray thermal decomposition method which is unnecessary for vacuum and easily handled.
      SOLUTION: In a method for depositing a metal oxide film on a substrate by the chemical vapor deposition method, aqueous suspension of metal complex compound expressed by a general formula (1) : MX
      n Y
      (m-n) (where, M denotes metal of valence of 3-5, X denotes β-diketonate ligand, Y denotes alkoxy group, m denotes a positive integer of 3-5, and n denotes a positive integer of 1-4) is sprayed on the heated substrate.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了提供一种使用廉价的原料的金属氧化物膜沉积方法,并且对于真空不需要并且容易处理的喷雾热分解方法,在获得的膜中留下较少的汽化残留物。 解决方案:在通过化学气相沉积法在基板上沉积金属氧化物膜的方法中,由通式(1)表示的金属络合物的水性悬浮液:MX< SB> SB>(mn)(其中,M表示3-5价的金属,X表示β-二酮配体,Y表示烷氧基,m表示正整数3-5,n表示正整数 1-4)喷涂在加热的基底上。 版权所有(C)2005,JPO&NCIPI
    • 10. 发明专利
    • PRODUCTION OF CYANOBENZOIC ACID
    • JP2000119237A
    • 2000-04-25
    • JP28779698
    • 1998-10-09
    • SHOWA DENKO KK
    • TANI TAKASHISAITO MAKOTOOSHIRO KIMITAKA
    • C07C253/30C07C255/57
    • PROBLEM TO BE SOLVED: To obtain the subject compound useful as a raw material or an intermediate material of an intermediate of a medicine and an agrochemical, and various fine chemicals under a moderate condition in a high purity by using an easily available and relatively inexpensive phthalonitrile as a raw material. SOLUTION: This method for producing cyanobenzoic acid is to subject a phthalonitrile (preferably terephthalonitrile) of formula I [two nitrile groups are in the meta or para position; X is Cl or F; and (n) is 0-4] under a hydration reaction in an alcoholic solvent in the presence of a base to obtain (A) cyanobenzoic acid amide by converting one of nitriles to an amide, then convert only the amide group of the compound A to carboxyl group by adding (B) an alkaline hypohalogenous acid and/or an alkaline halogenous acid to obtain a cyanobenzoic acid of formula II. Further, as the cyanobenzoic acid amide of the component A, the acid amide prepared by another method is allowed to be used, and the amount of use of the component B is preferably 0.1-12.5 mole based on 1 mole of the component A.