C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
149/21
C09K 13/06 (2006.01) C03C 23/00 (2006.01) C09K 13/04 (2006.01) C11D 7/08 (2006.01) C23G 1/02 (2006.01) H01M 10/08 (2006.01)
Patent
CA 1242130
ABSTRACT OF THE DISCLOSURE Acidic compositions having a pH value of less than about 1 are produced by a process comprising the steps of mixing from about 45 to about 85 weight percent hydro- chloric acid with from about 20 to about 55 weight per- cent phosphoric acid in an acid resistant vessel for an effective period of time to provide a substantially homo- geneous acidic mixture; admixing the homogeneous acidic mixture into an effective amount of water to provide an aqueous acidic mixture; and admixing from about 2 to about 20 weight percent of a hydroxy carboxylic acid and from about 0 to about 20 weight percent of a hydroxy carboxylic acid and from about 0 to about 20 weight percent of a dicarboxylic acid into the aqueous acidic mixture to produce aqueous acidic compositions having pH values of less than about 1. The aqueous acidic composi- tions so produced can then be admixed with various con- stituents, such as polyamines, inorganic acids or organic acids, to provide modified aqueous acidic compositions. -36-
451735
Capetrol International Inc.
Kirby Eades Gale Baker
LandOfFree
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