DE532079C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the production of azo dyes
Assignee: BASF Schweiz AG
•
Filing: 1928-07-15
•
Granted: 1931-08-20
•
Expires: 1948-07-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-03 02:17
CPC Classifications
C; C09; C09B; C09B29/00; C09B29/34; C09B29/36; C09B29/3604; C09B29/3647; C09B29/3652; C09B29/366; C09B31/00; C09B31/02; C09B31/12; C09B31/14
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.