Patent US3190875A successfully refreshed from Google Patents.
US3190875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ethylenically unsaturated ethers of azobenzene
Assignee: Ingredion Inc
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Filing: 1962-04-19
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Granted: 1965-06-22
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Expires: 1982-04-19
Abstract
No abstract record available.
Inventors
- 👤 Martin M Skoultchi
- 👤 Albert I Goldberg
- 👤 Fertig Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:53
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/0056; D06P1/006; C; C08; C08F; C08F20/00; C08F20/02; C08F20/10; C08F20/34; C09; C09B; C09B43/00; C09B43/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
AN ETHYLENICALLY UNSATURATED AZOBENZENE DERIVATIVE CORRESPONDING TO THE FORMULA:
Claim 2
Dependent Claim
9 words
AN ETHYLENICALLY UNSATURATED AZOBENZENE DERIVATIVE CORRESPONDING TO 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) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |