Patent · US Expired

Azine derivatives of piperidine

US3994857A · kind A · utility

4Cited by
9References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 16, 1974
Grant dateNov 30, 1976
Priority date
Expiry dateSep 16, 1994

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08K5/3435
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

New azine derivatives of piperidine are stabilizers for organic materials. They are produced by reacting the corresponding piperidones with hydrazine hydrate.

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