Passivating agents for metal finishing being corrosion inhibitors in the nature of a coating; conversion coatings for metal finishing being anti-tarnishing preparations for coating metals; metal finishing compositions, namely rust preventative coatings

'agent':2 'anti':22 'anti-tarnish':21 'coat':14,16,26,34 'composit':30 'convers':15 'corros':7 'finish':5,19,29 'inhibitor':8 'metal':4,18,27,28 'name':31 'natur':11 'passiv':1 'prepar':24 'prevent':33 'rust':32 'tarnish':23

Metal finishing chemical compositions, namely, metal cleaning compositions

'chemic':3 'clean':7 'composit':4,8 'finish':2 'metal':1,6 'name':5

Metal finishing chemical compositions, namely, etchants, electroless plating bath additives for copper and nickel, electrolytic plating bath additives for copper, nickel, chromium, cadmium, tin, zinc and alloys thereof

'addit':10,18 'alloy':27 'bath':9,17 'cadmium':23 'chemic':3 'chromium':22 'composit':4 'copper':12,20 'electroless':7 'electrolyt':15 'etchant':6 'finish':2 'metal':1 'name':5 'nickel':14,21 'plate':8,16 'thereof':28 'tin':24 'zinc':25

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