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US3390949A
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Interfacial polymerization on wool using a polyacid polyhalide and a combination of polyamines
Assignee: Universal Oil Products Co
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Filing: 1963-10-18
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Granted: 1968-07-02
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Expires: 1983-10-18
Abstract
No abstract record available.
Inventors
- 👤 Dunkel Morris
- 👤 Daniel J Eckhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:48
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/59
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3078138A
Cited
FR1316104A
Cited
GB1000473A
Cited
US3084019A
Cited
US3093441A
Cited
BE621720A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |