US2432831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stable dispersions of aromatic amines
Assignee: EIDP Inc
•
Filing: 1945-01-04
•
Granted: 1947-12-16
•
Expires: 1965-01-04
Abstract
No abstract record available.
Inventors
- 👤 Bernard M Sturgis
- 👤 Arthur A Baum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:19
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/17; C08K5/18; C09; C09K; C09K23/00; C09K23/14; Y; Y10; Y10S; Y10S516/00; Y10S516/905; Y10S516/907
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-15 | 1951-06-16 | 1951-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-15 | 1955-06-16 | 1955-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-15 | 1959-06-16 | 1959-12-16 | $7700.00 | Window Closed / Lapsed |