DE743467C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the preparation of nicotinic acid alkamine esters
Assignee: Roche Diagnostics GmbH
•
Filing: 1939-03-01
•
Granted: 1944-01-14
•
Expires: 1959-03-01
Abstract
No abstract record available.
Inventors
- 👤 Paul F Dreisbach
- 👤 Raemer R Renshar
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-02 22:43
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/78; C07D213/79; C07D213/80
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.