Patent DE516280C successfully refreshed from Google Patents.
DE516280C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the preparation of ethers of ª ‡ -naphthomethyl alcohol
Assignee: IG Farbenindustrie AG
•
Filing: 1929-04-03
•
Granted: 1931-01-21
•
Expires: 1949-04-03
Abstract
No abstract record available.
Inventors
- 👤 Dr Hans Lange
- 👤 Dr Gustav Reddelien
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-31 10:00
CPC Classifications
C; C07; C07C; C07C41/00; C07C41/01; C07C41/16
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.