US2907790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N, n'-thiobis(ethylene)-bis(2-(o-hydroxyphenyl)glycine) compounds
Assignee: Dow Chemical Co
•
Filing: 1958-09-19
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Granted: 1959-10-06
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Expires: 1978-09-19
Abstract
No abstract record available.
Inventors
- 👤 Albert E Frost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:18
CPC Classifications
C; C07; C07C; C07C323/00; C07C323/23; C07C323/24; C07C323/25; A; A01; A01N; A01N37/00; A01N37/44; C07C255/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF N,N'' - THIOBIS(ETHYLENE)-BIS(2-(O-HYDROXYPHENYL)GLYCINE HAVING THE FORMULA
Claim 2
Dependent Claim
14 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF N,N'' - THIOBIS(ETHYLENE)-BIS(2-(O-HYDROXYPHENYL)GLYCINE HAVING THE FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |