Patent · US Expired

Compounds containing quaternary carbons, medical devices, and methods

US7101956B2 · kind B2 · utility

24Cited by
34References
61Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 13, 2002
Grant dateSep 5, 2006
Priority date
Expiry dateNov 13, 2022

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F236/20
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Compounds that include diorgano groups having quaternary carbons and optionally urethane groups, urea groups, or combinations thereof (i.e., polyurethanes, polyureas, or polyurethane-ureas), as well as materials and methods for making such compounds.

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