Composition for metal electroplating comprising leveling agent
US9011666B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 8, 2009 |
| Grant date | Apr 21, 2015 |
| Priority date | — |
| Expiry date | Jun 13, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K3/423
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A composition comprising a source of metal ions and at least one leveling agent obtainable by condensing at least one trialkanolamine of the general formula N(R1—OH)3 (Ia) and/or at least one dialkanolamine of the general formula R2—N(R1—OH)2 (Ib) to give a polyalkanolamine(II), wherein the R1 radicals are each independently selected from a divalent, linear or branched aliphatic hydrocarbon radical having from 2 to 6 carbon atoms, and the R2 radicals are each selected from hydrogen and linear or branched aliphatic, cycloaliphatic and aromatic hydrocarbon radicals having from 1 to 30 carbon atoms, or derivatives obtainable by alkoxylation, substitution or alkoxylation and substitution of said polyalkanolamine(II).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.