Patent ID: 6911068

Claim:
A metal plating bath comprising an additive consumption inhibiting organic compound with a formula as follows: wherein R, R 1 , R 2 and R 3 independently comprise hydrogen; halogen; (C 1 -C 20 ) linear, branched, or cyclic alkyl; (C 2 -C 20 ) linear, branched, or cyclic alkenyl; (C 2 -C 20 ) linear or branched alkynyl; —CN; —SCN; —C═NS; —SH; —NO 2 ; —SO 2 H; —SO 3 M; PO 3 M; (C 1 -C 20 ) alkyl-O(C 2 -C 3 O) x R 6 , (C 1 -C 12 ) alkylphenyl-O(C 2 -C 3 O) x R 6 , -phenyl-O(C 2 -C 3 O) x R 6 , where x is an integer of from 1-500 and R 6 is hydrogen; (C 1 -C 4 ) alkyl or phenyl; —P(R 4 ) 2 , where R4 is hydrogen or halogen; silane; silyl; Si(OH) 3 ; sulfonyl halide; acyl halide; aminyl; aminyl halide; —COR 5 , where R 5 is —OH, or (C 1 -C 20 ) linear branched or cyclic alkyl, (C 2 -C 20 ) branched, linear or cyclic alkenyl, (C 2 -C 20 ) linear or branched alkynyl, (C 1 -C 20 ) linear or branched alkoxy; or —OH with the proviso that a carboxy is present as a substituent on the compound; the (C 1 -C 20 ) alkyl, (C 2 -C 20 ) alkenyl, and the (C 2 -C 20 ) alkynyl groups may be unsubstituted or substituted; M is hydrogen or an alkali metal; or R 1 and R 2 are taken together to form a chemical bond; or R 1 and R 2 are taken together along with atoms to which they are attached to form a 5 to 7 membered ring, or to form a 5 to 7 membered heterocyclic ring where oxygen or nitrogen are hetero-atoms in the ring, the 5-7 membered ring or the 5-7 membered heterocyclic ring may comprise one or more carbonyl groups; the 5 to 7 membered ring or the 5 to 7 membered heterocyclic ring may be fused with one or more five or six membered rings, the one or more five or six membered rings may contain one or more oxygen or nitrogen atoms, the fused rings may contain a carbonyl in the ring; the 5 to 7 membered ring, the one or more five or six membered fused ring, and the heterocyclic rings may be unsubstituted or substituted with one or more of halogen, silane, silyl, aryl, alkoxy, —Si(OH) 3 , —CN, —SCN, —C═NS, —SH, —NO 2 , —SO 2 H, sulfonyl halide, acyl halide, aminyl, hydroxyaminyl, aminyl halide, —PO 3 M, —P(R 4 ) 2 , carboxyl, keto, ester containing group, or —OH, with the proviso that when —OH is a substituent a carboxyl substituent is present on the compound, M is hydrogen or an alkali metal, and R 4 is hydrogen or halogen; and a salt of a metal selected from metals consisting of copper, gold, silver, palladium, platinum, cadmium, chromium, bismuth, indium, iridium, and ruthenium.