Patent US3213058A successfully refreshed from Google Patents.
US3213058A
Expired / Lapsed
US
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Polymers reacted with benzotriazole uv absorbers
Assignee: Wyeth Holdings LLC
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Filing: 1960-12-19
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Granted: 1965-10-19
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Expires: 1980-12-19
Abstract
No abstract record available.
Inventors
- 👤 Richard J Boyle
- 👤 Jerry P Milionis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:31
CPC Classifications
C; C07; C07D; C07D249/00; C07D249/16; C07D249/18; C07D249/20; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/38; C08G18/3819; C08G18/3842; C08G18/3851; C08G59/00; C08G59/14; C08G59/1433; C08G59/1477; C08G63/00; C08G63/68; C08G63/685; C08G63/6854; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3467; C08K5/3472; C08K5/3475
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A POLYMEIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF POLYESTER, EPOXY AND POLYURETHANE RESINS CHARACTERIZED BY IMPROVED LIGHT STABILITY DUE TO THE PRESENCE OF PENDANT, CHEMICALLY BONDED BENZOTRIAZOLE MOIETIES SELECTED FROM THE GROUP CONSISTING OF RADICALS OF THE FOLLOWING FORMULAE:
Claim 2
Dependent Claim
40 words
A POLYMEIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF POLYESTER, EPOXY AND POLYURETHANE RESINS CHARACTERIZED BY IMPROVED LIGHT STABILITY DUE TO THE PRESENCE OF PENDANT, CHEMICALLY BONDED BENZOTRIAZOLE MOIETIES SELECTED FROM THE GROUP CONSISTING OF RADICALS OF THE FOLLOWING FORMULAE:
References Cited (Backward Citations)
US2362988A
Cited
US2720480A
Cited
US2820032A
Cited
US2953560A
Cited
FR1195307A
Cited
GB878363A
Cited
US3004896A
Cited
US3076782A
Cited
FR1245865A
Cited
US3084151A
Cited
US3074910A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |