CH345897A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Process for the preparation of new pyrimidines
Assignee: Ciba Geigy
•
Filing: 1956-02-17
•
Granted: —
•
Expires: 1976-02-17
Abstract
No abstract record available.
Inventors
- 👤 Erlenmeyer Hans Dr Prof
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-10-22 23:56
CPC Classifications
C; C07; C07D; C07D513/00; C07D513/02; C07D513/04
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.