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Expired Canadian patentCanada

Composition for depositing metallic oxide film coatings

CA 1159603 A · Owner: Nippon Soda Co. Ltd. · Inventors: Maeda, Umio; Shoji, Hirofumi; Horie, Yoshio

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Abstract From the Canadian patent

An organic solution of a composition consisting essentially of 100 parts by weight of an indium compound represented by the formula In(X)?(Y)m, wherein X denotes a chelate ring formed by .beta.-diketones esters of, .beta.-keto-acids or the like Y denotes an alkoxide formed by aliphatic alcohols or the like, and ? and m denote 1 or 2 having the relationship of ? + m = 3, and from 5 to 20 parts by weight of a tin compound represented by the formula, Sn(X')2 or SN(Y')m', wherein X' denotes a chelate ring formed by .beta.-diketones or esters of .beta.-keto-acids, Y' denotes an alkoxide formed by aliphatic alcohols and m', denotes 2 or 4, is suitable for deposition of transparent hardened and …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted January 3, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 3, 2001.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 7, 1981
GrantedJanuary 3, 1984
Term endedJanuary 3, 2001
Patent numberCA 1159603 A
Classification (IPC)C23C18/12

Timeline

Timeline From CIPO dates

1982198419861988199019921994199619982000Application filedDec 7, 1981Patent grantedJan 3, 1984Term endedJan 3, 2001

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.