US3383352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispersions of synthetic polymers containing heteroatoms between monomer units
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1966-09-28
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Granted: 1968-05-14
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Expires: 1986-09-28
Abstract
No abstract record available.
Inventors
- 👤 Duell Enid Gillian
- 👤 Thomas Harold Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:26
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/09; C08J3/11; C08F; C08F2/00; C08F2/04; C08F2/06; C08F2/08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/10; C08G18/28; C08G18/40; C08G18/62; C08G18/6216; C08G18/622; C08G18/6225; C08G18/6229; C08G18/70; C08G18/72; C08G18/77; C08G18/78; C08G18/79; C08G2/00; C08G2/18; C08G2/24; C08G4/00; C08G63/00; C08G63/02; C08G63/06; C08G63/08; C08G63/12; C08G63/40; C08G65/00; C08G65/02; C08G65/04; C08G85/00
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) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |