US3341493A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ethylenically unsaturated derivatives of 2, 4-dihydroxybenzophenone
Assignee: Ingredion Inc
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Filing: 1962-09-17
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Granted: 1967-09-12
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Expires: 1982-09-17
Abstract
No abstract record available.
Inventors
- 👤 Albert I Goldberg
- 👤 Fertig Joseph
- 👤 Skoultchi Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:39
CPC Classifications
C; C08; C08F; C08F22/00; C08F22/10; C08F22/12; C08F22/20; C08F20/00; C08F20/02; C08F20/10; C08F20/26; C08F20/30
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
29 words
A COMPOSITION COMPRISING A POLYMER OF AT LEAST ONE ETHYLENICALLY UNSATURATED MONOMER TOGETHER WITH AT LEAST ONE ETHYLENICALLY UNSATURATED 2,4-DIHYDROXBENZOPHENONE DERIVATIVE HAVING A FORMULA CORRESPONDING TO THE FOLLOWING REPRESENTATION:
References Cited (Backward Citations)
US3133042A
Cited
US3162676A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |