US3340231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymeric compositions resistant to ultraviolet light
Assignee: Ingredion Inc
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Filing: 1964-10-28
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Granted: 1967-09-05
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Expires: 1984-10-28
Abstract
No abstract record available.
Inventors
- 👤 Fertig Joseph
- 👤 Skoultchi Martin
- 👤 Albert I Goldberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:51
CPC Classifications
C; C08; C08F; C08F220/00; C08F220/02; C08F220/10; C08F220/26; C08F220/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
A COMPOSITION OF MATTER COMPRISING A HOMOPOLYMER OF AN ETHYLENICALLY UNSATURATED 2,4-DIHYDROXYBENZOPHENONE DERIVATIVE SELECTED FROM THE GROUP CONSISTING OF:
Claim 2
Dependent Claim
19 words
A COMPOSITION OF MATTER COMPRISING A HOMOPOLYMER OF AN ETHYLENICALLY UNSATURATED 2,4-DIHYDROXYBENZOPHENONE DERIVATIVE SELECTED FROM THE GROUP CONSISTING OF:
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) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |