CA924299A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Unsymmetrical azo and hydrazo compounds
Assignee: US Filter Wallace and Tiernan Inc
•
Filing: 1969-04-29
•
Granted: 1973-04-10
•
Expires: 1989-04-29
Abstract
No abstract record available.
Inventors
- 👤 E. Macleay Ronald
- 👤 S. Sheppard Chester
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-11-03 21:18
CPC Classifications
C; C07; C07D; C07D271/00; C07D271/02; C07D271/10; C07D271/113; C07D251/00; C07D251/02; C07D251/12; C07D251/26; C07D251/40; C07D251/54; C07D251/66; C08; C08F; C08F283/00; C08F283/01; C08F4/00; C08F4/04; C09; C09B; C09B43/00; C09B43/40; C09B43/42
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.