US3423360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the manufacture of polymers stabilized against the effects of ultraviolet rays
Assignee: BASF Schweiz AG
•
Filing: 1965-11-22
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Granted: 1969-01-21
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Expires: 1985-11-22
Abstract
No abstract record available.
Inventors
- 👤 Helmut Huber
- 👤 Paul Schaefer
- 👤 Hans Rudolf Biland
- 👤 Christian Luethi
- 👤 Karl Eschle
- 👤 Max Duennenberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:02
CPC Classifications
A; A61; A61Q; A61Q17/00; A61Q17/04; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/49; A61K8/494; A61K8/4966; A61K8/72; A61K8/81; A61K8/8141; A61K8/8152; C; C08; C08F; C08F20/00; C08F20/02; C08F20/10; C08F20/34; A61K2800/00; A61K2800/40; A61K2800/57
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2899406A
Cited
US3272891A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |