Patent · US Expired

Tetramethylpiperidino-s-triazines

US5059689A · kind A · utility

5Cited by
13References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 30, 1989
Grant dateOct 22, 1991
Priority date
Expiry dateJan 30, 2009

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03C7/39256
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Compounds which contain at least one group of the formula I ##STR1## in which X is a group which completes the ring to form a piperidine ring, are effective stabilizers for organic materials against damage by light, oxygen and heat.

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