US3532791A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N,n'-ethylenebis(2-(o-hydroxyphenyl)glycine)
Assignee: Dow Chemical Co
•
Filing: 1966-10-03
•
Granted: 1970-10-06
•
Expires: 1986-10-03
Abstract
No abstract record available.
Inventors
- 👤 Charles Johnston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:48
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/65
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |