Patent · US Expired

Block copolymer

US7056983B2 · kind B2 · utility

5Cited by
5References
29Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 28, 1999
Grant dateJun 6, 2006
Priority date
Expiry dateJul 7, 2019

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F2438/01
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Processes for producing an AB block copolymer, an ABA block copolymer or a multiblock copolymer are provided, which comprises adding an alkenyl-containing polymer (I) to a living or to an atom transfer radical polymerization system or a living cationic polymerization system.

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