US3491124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilizers for halogen-containing polyolefins
Assignee: Dow Chemical Co
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Filing: 1967-01-20
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Granted: 1970-01-20
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Expires: 1987-01-20
Abstract
No abstract record available.
Inventors
- 👤 Richard B Lund
- 👤 Hendrikus J Oswald
- 👤 Edith Turi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:44
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/18; C07D303/20; C07D303/24; C07C; C07C37/00; C07C37/11; C07C37/18; C08; C08K; C08K5/00; C08K5/04; C08K5/15; C08K5/151; C08K5/1515
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2986550A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |