US 12,276,067 B2
Modified alkanesulfonic acid and uses thereof
Clay Purdy, Medicine Hat (CA); Markus Weissenberger, Calgary (CA); Kyle G. Wynnyk, Calgary (CA); and Karl W. Dawson, Calgary (CA)
Assigned to SIXRING INC., Calgary (CA)
Filed by SixRing Inc., Calgary (CA)
Filed on Feb. 26, 2021, as Appl. No. 17/187,354.
Claims priority of application No. 3074198 (CA), filed on Feb. 28, 2020.
Prior Publication US 2021/0269971 A1, Sep. 2, 2021
Int. Cl. D21C 3/06 (2006.01); C01B 15/08 (2006.01); D21C 1/04 (2006.01); D21C 3/00 (2006.01)
CPC D21C 3/06 (2013.01) [C01B 15/08 (2013.01); D21C 3/006 (2013.01)] 14 Claims
OG exemplary drawing
 
1. An aqueous acidic composition comprising:
an alkylsulfonic acid;
a peroxide; and
a compound comprising an amine moiety selected from an alkanolamine,
wherein said alkylsulfonic acid is present in the composition in an amount ranging from 20 to 65 wt % of the total weight of the composition;
wherein said peroxide is present in the composition in an amount ranging from 1 to 30 wt % of the total weight of the composition; and
wherein said alkylsulfonic acid and said peroxide are present in the composition in a molar ratio of no less than 1:1.