US3769294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-(2'-hydroxy-5'-octylphenyl) naphthotriazole
Assignee: GAF Corp
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Filing: 1970-05-15
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Granted: 1973-10-30
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Expires: 1990-05-15
Abstract
Abstract AN ORGANIC COMPOSITION STABILIZED AGAINST DEGRADATION DUE TO ULTRAVIOLET LIGHT COMPRISING AN ORGANIC MATERIAL NORMALLY SUBJECT TO SUCH DEGRADATION AND A MINOR AMOUNT OF AN ULTRAVIOLET LIGHT ABSORBING COMPOUND OF THE FORMULA: 2-(2-HO,5-R-PHENYL)-2,3-DIHYDRO-1H-NAPHTHO(1,2-D)TRIAZOLE WHERE N1 AND N3 ARE JOINED BY A SINGLE BOND WHEREIN R IS AN ALKYL RADICAL, PREFERABLY AN ALKYL RADICAL OF 1 TO 8 CARBON ATOMS.
Inventors
- 👤 S Catino
- 👤 A Strobel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:15
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/77; C07D307/78; C07D307/79; C07C; C07C45/00; C07C45/61; C07C45/63; C07C45/67; C07C45/68; C07C45/70; C07C45/71; C07D249/00; C07D249/16; C07D249/22; C07D307/80; C07D307/86; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3467; C08K5/3472; C08K5/3475; D; D06; D06P; D06P1/00; D06P1/44; D06P1/64; D06P1/642; D06P1/6426; G; G03; G03C; G03C1/00; G03C1/76; G03C1/815; G03C1/8155
Claims Analysis
Total Claims: 0
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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) | 1976-10-29 | 1977-04-30 | 1977-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-29 | 1981-04-30 | 1981-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-29 | 1985-04-30 | 1985-10-30 | $7700.00 | Window Closed / Lapsed |