FR1541026A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Novel disazo dyes, their preparation process and their use
Assignee: Novartis AG
•
Filing: 1967-08-02
•
Granted: 1968-10-04
•
Expires: 1987-08-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-06 20:26
CPC Classifications
C; C09; C09B; C09B62/00; C09B62/002; C09B62/006; C09B62/012
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.