FR1503833A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Polyazo dyes, their manufacturing process and their applications
Assignee: Sandoz AG
•
Filing: 1966-10-14
•
Granted: 1967-12-01
•
Expires: 1986-10-14
Abstract
No abstract record available.
Inventors
- 👤 Heinz Wicki
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-30 20:29
CPC Classifications
C; C09; C09B; C09B43/00; C09B43/006; C09B33/00; C09B33/18; C09B44/00; C09B44/005
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.