US3535276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Olefin polymers containing organic phosphate stabilizers
Assignee: Argus Chemical Corp
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Filing: 1967-03-03
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Granted: 1970-10-20
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Expires: 1987-03-03
Abstract
No abstract record available.
Inventors
- 👤 Arthur C Hecker
- 👤 Otto S Kauder
- 👤 William E Leistner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:46
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/521; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/12; C07F9/141; C07F9/145; C07F9/547; C07F9/6564; C07F9/6571; C07F9/6574; C08K5/524; C08L; C08L101/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-19 | 1974-04-20 | 1974-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-19 | 1978-04-20 | 1978-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-19 | 1982-04-20 | 1982-10-20 | $7700.00 | Window Closed / Lapsed |