US3206428A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel amine complexes of hydroxybenzophenones as ultraviolet absorbers
Assignee: GAF Chemicals Corp
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Filing: 1960-12-27
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Granted: 1965-09-14
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Expires: 1980-12-27
Abstract
No abstract record available.
Inventors
- 👤 Lester N Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:04
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/33; A61K8/35; A61K8/40; A61K8/41; A61Q; A61Q17/00; A61Q17/04; C; C07; C07C; C07C49/00; C07C49/76; C07C49/82; C07C49/83; C07C49/84; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C08K5/132; C09; C09K; C09K15/00; C09K15/04; C09K15/20
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
76 words
A COMPOSITION STABILIZED AGAINST ULTRAVIOLET RADIATION COMPRISING A PLASTIC SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE AND POLYSTYRENE AND A STABILIZING AMOUNT OF AN AMINE COMPLEXED BENZOPHENONE ULTRAVIOLET ABSORBER, WHEREIN SAID AMINE IS SELECTED FROM THE GROUP CONSISTING OF MONOALKYL AND DIALKYL MONOAMINES WHEREIN THE ALKYL RADICAL HAS FROM 4 TO 18 CARBON ATOMS, OCTADECENYLAMINE, DIOCTYLDECENYLAMINE, OCTADECADIENYLAMINE, DIOCTADECADIENYLAMINE, MONOCYCLOALKYL AND DICYCLOALKYL AMINES AND MIXTURES THEREOF AND SAID BENZOPHENONE IS A COMPOUND OF THE FOLLOWING GERNERAL FORMULA:
References Cited (Backward Citations)
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US2015696A
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US2301861A
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US2985617A
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US2984645A
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US2947721A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |