CH435494A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Process for the production of high polymer dyes
Assignee: Ciba Geigy
•
Filing: 1960-10-12
•
Granted: —
•
Expires: 1980-10-12
Abstract
No abstract record available.
Inventors
- 👤 Heinz Dr Hefti
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-10-28 03:50
CPC Classifications
C; C09; C09B; C09B69/00; C09B69/10; C09B69/106; C08; C08B; C08B15/00; C08B15/05; C08B15/06; C08B31/00; C08B31/08; C08B31/12; C08B31/125; C08B37/00; C08B37/0006; C08B37/0024; C08B37/0027; C08B37/003; C08H; C08H1/00; C08L; C08L1/00; C08L1/08; C08L3/00; C08L3/04; C08L5/00; C08L5/08; C08L89/00; C08L89/005
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.