Patent · US Active

Nitrogen containing polymers as levelers

US10196751B2 · kind B2 · utility

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6References
3Claims
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Key dates

Filing dateNov 6, 2013
Grant dateFeb 5, 2019
Priority date
Expiry dateJun 30, 2034

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05K2203/0723
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

Polymers of reaction products of polyamines and nitrogen containing cyclic compounds are included in metal electroplating compositions to provide level metal deposits on substrates.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.