DE729595C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for dyeing and printing cellulose esters and ethers
Assignee: IG Farbenindustrie AG
•
Filing: 1936-05-16
•
Granted: 1942-12-22
•
Expires: 1956-05-16
Abstract
No abstract record available.
Inventors
- 👤 Dr Wilhelm Kunze
- 👤 Dr Werner Zerweck
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-08 08:49
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/34
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.