Patent DK63576A successfully refreshed from Google Patents.
DK63576A
Expired / Lapsed
DK
⏱️ 0.0 years remaining
PROCEDURE FOR THE PREPARATION OF 7-METHYL-4-OXO-1,4-DIHYDRO-1,8-NAPHTHYRIDINE-3-CARBOXYLIC ACID
Assignee: Chinoin Gyogyszer Es Vegyeszet
•
Filing: 1976-02-17
•
Granted: —
•
Expires: 1996-02-17
Abstract
No abstract record available.
Inventors
- 👤 Z Meszaros
- 👤 I Hermecz
- 👤 A Horvath
- 👤 P Ritli
- 👤 A Mandi
Bibliographic Details
Application Number
—
Jurisdiction
DK
Data Source
google_patents
Last Synchronized
2026-11-08 03:32
CPC Classifications
C; C07; C07D; C07D471/00; C07D471/02; C07D471/04
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.