Patent · US Expired

Polymerizations catalyzed by very finely divided lithium

US4048420A · kind A · utility

11Cited by
4References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 30, 1976
Grant dateSep 13, 1977
Priority date
Expiry dateJan 30, 1996

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F36/04
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Polymerizations catalyzed by very finely divided lithium. The process is characterized in using lithium having an average particle diameter of less than 2.mu. and preferably of 0.1.mu. or less as a polymerization initiator. The process permits .alpha.-.omega. dilithic oligomers to be obtained.

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