Patent CH208446A successfully refreshed from Google Patents.
CH208446A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Process for the preparation of a condensation product.
Assignee: Hoffmann La Roche
•
Filing: 1938-07-20
•
Granted: —
•
Expires: 1958-07-20
Abstract
No abstract record available.
Inventors
- 👤 F Hoffmann- Aktiengesellschaft
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-06 01:34
CPC Classifications
C; C07; C07D; C07D311/00; C07D311/02; C07D311/04; C07D311/58; C07D311/70; C07D311/72
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.