Patent · US Expired

Macroazo compound, a process for its production, a macroazo initiator, and a process for its use

US5973125A · kind A · utility

0Cited by
14References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 30, 1998
Grant dateOct 26, 1999
Priority date
Expiry dateJun 30, 2018

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F293/005
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

An azoamide compound of the formula: ##STR1## wherein R.sup.1 through R.sup.4 are independently an alkyl group; X is an alkylene groupl Y is --O-- or --NH--; and n is an integer of 2 or more, is effective for producing a macroazo compound, which is a useful initiator for producing block copolymers.

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