C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
148/20
C23C 22/04 (2006.01)
Patent
CA 1249500
Abstract of the Disclosure A non-aqueous chromating treatment solution comprising a chlorofluorocarbon solvent, chromic acid anhydride, an alcohol solubilizer, and an organic carboxylic acid reaction promotor gives a higher coating amount of chromate film and better corrosion resistance effect.
494523
Ayukawa Nobuhiro
Konishi Yasuhiko
Nippon Dacro Shamrock Co. Ltd.
Riches Mckenzie & Herbert Llp
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