Patent · US Expired

4-formylamino-N-methylpiperidine derivatives, the use thereof as stabilizers and organic material stabilized therewith

US6737527B2 · kind B2 · utility

1Cited by

1References

19Claims

0Family size

Assignee

BASF SE

Inventors

Sylke Haremza · Neckargemünd, DE
Jurgen Krockenberger · Stuttgart, DE
Manfred Appel · Gaildorf, DE
Hubert Trauth · Dudenhofen, DE
Alexander Aumuller · Neustadt, DE

Key dates

Filing date	Sep 27, 2002
Grant date	May 18, 2004
Priority date	—
Expiry date	Sep 27, 2022

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09D7/48
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention relates to 4-formylamino-N-methylpiperidine derivatives of the formula (I) where the variables are as defined in the Description, to a process for preparing these piperidine derivatives, to the use of these piperidine derivatives of the invention, or prepared according to the invention, for stabilizing organic material, in particular for stabilizing plastics or coating materials, and also to the use of these piperidine derivatives of the invention, or prepared according to the invention, as light stabilizers or stabilizers for wood surfaces.The present invention further relates to stabilized organic material which comprises these piperidine derivatives of the invention or prepared according to the invention.

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