Chroman-6-ol derivatives useful for stabilizing plastics

US4374258A · kind A · utility

Assignee

• BASF SE

Inventors

• Michael Horner · Neustadt, DE
• Gernot Teege · Ludwigshafen, DE

Key dates

• Filing date: Jan 28, 1982
• Grant date: Feb 15, 1983
• Expiry date: Jan 28, 2002

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S8/09
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Novel chroman derivatives ##STR1## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each H or C.sub.1 -C.sub.4 -alkyl, R.sup.5 is sec.--C.sub.3 -C.sub.8 --alkyl or tert.--C.sub.4 -C.sub.8 --alkyl, R.sup.6 is H or R.sup.5, m is 1, 2 or 3, and n is 0, 1, 2 or 3, a process for the preparation of these compounds, and their use as stabilizers for plastics.