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公开(公告)号：US3798138A
公开(公告)日：1974-03-19
申请号：US3798138D
申请日：1971-07-21
Applicant: LEA RONAL INC
CPC classification number: C25D3/38
Abstract: COOPER IS ELECTRODEPOSITED FROM AN AQUEOUS ACID PLATING BATH OR SOLUTION CONTAINING AT LEASTT ONE COPPER SALT, A HETEROCYCLIC SULPHUR-NITROGEN ORGANIC COMPOUND, SUCH AS WATER SOLUBLE DERIVATIVES OF 2-THIAZOLIDINETHIONES, 2-IMIDAZOLIDINETIONES OR THEIR REACTION PRODUCTS WITH ALKYL ALDEHYDES OR DIALDEHYDES, AND A WATER SOLUBLE BRIGHTENER CONTAINING A CARBON-SULPHUR GROUP IN WHICH THE CARBON ATOM IS ATTACHED TO AT LEAST ONE OTHER HETERO-ATOM, SUCH AS SULPHUR OR NITROGEN.
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