DE472422C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the preparation of aromatic acid chlorides in addition to A-ethyl chloride
Assignee: Ver Chemische & Metallurgische
•
Filing: 1923-12-30
•
Granted: 1929-02-28
•
Expires: 1943-12-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-31 13:15
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/58
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.