Patent US3437647A successfully refreshed from Google Patents.
US3437647A
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Halogen adducts of alkylated polymers of heterocyclic n-vinyl monomers
Assignee: GAF Corp
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Filing: 1966-03-04
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Granted: 1969-04-08
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Expires: 1986-03-04
Abstract
No abstract record available.
Inventors
- 👤 Milton Freifeld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:17
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/81; A61K8/817; A61K8/8176; A61K8/19; A61K8/20; A61Q; A61Q17/00; A61Q17/005; C; C02; C02F; C02F1/00; C02F1/72; C02F1/76; C02F1/766; C08; C08F; C08F8/00; C08F8/18; C08F8/20; C08K; C08K3/00; C08K3/16; C10; C10M; C10M149/00; C10M149/02; C10M149/10; C10M2201/00; C10M2201/02; C10M2217/00; C10M2217/02; C10M2217/028; C10M2217/06; C10N; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/08; C10N2040/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2739922A
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US2706701A
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US2754245A
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US2853417A
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US2821519A
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US2982762A
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US3136755A
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US3174955A
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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) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |