Patent US4448524A successfully refreshed from Google Patents.
Patent EP0216180A2 successfully refreshed from Google Patents.
EP0216180A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Preparation of alkyltetrahydroanthrahydroquinones
Assignee: Solvay Interox GmbH
•
Filing: 1986-08-27
•
Granted: —
•
Expires: 2006-08-27
Abstract
Abstract The present invention provides a process for the preparation of alkyl-5,6,7,8-tetrahydroanthrahydroquinones, wherein an alkylanthraquinone is hydrogenated with a catalyst which consists of an organic polymer to which a metal of the noble metal or platinum metal group is bound coordinatively or covalently.
Inventors
- 👤 Dietolf Simon
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-27 19:26
CPC Classifications
C; C07; C07C; C07C37/00; C07C37/06; C07C37/07; C07C2603/00; C07C2603/02; C07C2603/04; C07C2603/22; C07C2603/24
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.