Patent ID: 8343326

Claim:
A method for reducing misting from electrolyte solutions containing at least one metal in ionic or dispersed metallic form, the method comprising adding thereto a mist-suppressing quantity of one or more of the compounds selected from the group consisting of compounds of Formula (I), compounds of Formula (IX), and mixtures thereof: R((AO) n B) m ((AO) n H) p (I) and R 3 N + (CH 3 ) 2 R 4 (IX), wherein each AO group is, independently, an alkyleneoxy group selected from ethyleneoxy, 1,2-propyleneoxy, 1,2-butyleneoxy, and styryleneoxy groups; n is an integer from 0-to-40; m is an integer from 1 to the total number of —OH hydrogens in the R group prior to alkoxylation; p is an integer such that the sum of m plus p equals the number of —OH hydrogens in the R group prior to alkoxylation; B is SO 3 Y, (CH 2 ) q SO 3 Y, CH 2 CHOHCH 2 SO 3 Y, or CH 2 CH(CH 3 )OSO 3 Y, where q is an integer from 2-to-4, and Y is a cation; and R is compound selected from: R 1 C(CH 2 O) 3 (II), where R 1 is H, methyl, ethyl, or propyl; C(CH 2 O) 4 (III); OC(CH 2 O) 2 (IV); N(CH 2 CH 2 O) 3 (V); (R 2 ) x N(CH 2 CH 2 O) y (VI), where R 2 is a C 1 -C 4 alkyl, y is a number from 1-to-3, and x is a number such that x+y=3; O(CH 2 ) r O (VII), where r is a number from 2-to-6; and O(CH(CH 3 )CH 2 )O (VIII); R 3 is a group selected from: C 6 -C 10 -alkyl (X); and R 5 C(O)NH(CH 2 ) z (XI), where R 5 is a C 1 -C 6 -alkyl, and z is 2 or 3; and R 4 is a group selected from: CH 2 CO 2 − (XII); and CH 2 CH(R 6 )CH 2 SO 3 − (XIII), where R 6 is either H or OH.