Patent US3202716A successfully refreshed from Google Patents.
US3202716A
Expired / Lapsed
US
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Monomeric derivatives of 2, 4-dihydroxybenzophenone
Assignee: Ingredion Inc
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Filing: 1964-10-22
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Granted: 1965-08-24
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Expires: 1984-10-22
Abstract
No abstract record available.
Inventors
- 👤 Albert I Goldberg
- 👤 Skoultchi Martin
- 👤 Fertig Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:14
CPC Classifications
C; C07; C07C; C07C49/00; C07C49/76; C07C49/84; C07C45/00; C07C45/61; C07C45/67; C07C45/68; C07C45/70; C07C45/71; C08; C08F; C08F16/00; C08F16/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
AN ETHYLENICALLY UNSATURATED DERIVATIVE OF 2,4-DIHYDROXYBENZOPHENONE SELECTED FROM THE GROUP CONSISTING OF:
Claim 2
Dependent Claim
12 words
AN ETHYLENICALLY UNSATURATED DERIVATIVE OF 2,4-DIHYDROXYBENZOPHENONE SELECTED FROM THE GROUP CONSISTING OF:
References Cited (Backward Citations)
US2976259A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |