Patent US3159646A successfully refreshed from Google Patents.
US3159646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkenoylamido and oxy phenylbenzotriazoles
Assignee: Wyeth Holdings LLC
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Filing: 1960-01-13
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Granted: 1964-12-01
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Expires: 1980-01-13
Abstract
No abstract record available.
Inventors
- 👤 Jerry P Milionis
- 👤 William B Hardy
- 👤 Jr William F Baitinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:19
CPC Classifications
C; C07; C07D; C07D249/00; C07D249/16; C07D249/18; C07D249/20; C08; C08F; C08F20/00; C08F20/02; C08F20/52; C08F20/54; C08F20/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
COMPOUNDS OF THE FORMULA (2-(2-(HO-),(R3)N-PHENYL-),(R1)M-2H-BENZOTRIAZOLE)(-R3)P (-R4)Q IN WHICH R1 AND R2 ARE SELECTED FROM THE GROUP CONSISTING OF LOWER ALKYL, LOWER ALKOXYL, HALOGEN, NITRO, CARBOXY, SULFONIC ACID AND SULFONAMIDEO, R3 IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF ACRYLYLAMINO AND METHACRYLYLAMINO, R4 IS A MEMBER SELECED FROM THE GROUP CONSISTING OF ACRYLYLOXY AND METHACRYLYLOXY, M AND N ARE INTEGERS LESS THAN THREE, P AND Q ARE INTEGERS GREATER THAN MINUS ONE AND LESS THAN FOUR, AT LEAST ONE OF P AND Q BEING GREATER THAN ZERO, R3 AND R4 BEING BONDED DIRECTLY TO CARBOXYCLIC AROMATIC RINGS IN THE SAID PHENYLBENZOTRIAXOLE NUCLEUS.
Claim 2
Dependent Claim
102 words
COMPOUNDS OF THE FORMULA (2-(2-(HO-),(R3)N-PHENYL-),(R1)M-2H-BENZOTRIAZOLE)(-R3)P (-R4)Q IN WHICH R1 AND R2 ARE SELECTED FROM THE GROUP CONSISTING OF LOWER ALKYL, LOWER ALKOXYL, HALOGEN, NITRO, CARBOXY, SULFONIC ACID AND SULFONAMIDEO, R3 IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF ACRYLYLAMINO AND METHACRYLYLAMINO, R4 IS A MEMBER SELECED FROM THE GROUP CONSISTING OF ACRYLYLOXY AND METHACRYLYLOXY, M AND N ARE INTEGERS LESS THAN THREE, P AND Q ARE INTEGERS GREATER THAN MINUS ONE AND LESS THAN FOUR, AT LEAST ONE OF P AND Q BEING GREATER THAN ZERO, R3 AND R4 BEING BONDED DIRECTLY TO CARBOXYCLIC AROMATIC RINGS IN THE SAID PHENYLBENZOTRIAXOLE NUCLEUS.
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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) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |