Patent US3428592A successfully refreshed from Google Patents.
US3428592A
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Polyisocyanate emulsions
Assignee: EIDP Inc
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Filing: 1966-05-24
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Granted: 1969-02-18
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Expires: 1986-05-24
Abstract
No abstract record available.
Inventors
- 👤 Mortimer Alexander Youker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:31
CPC Classifications
C; C07; C07C; C07C265/00; C07C265/14; C07C263/00; C07C263/18; C08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/10; C08G18/28; C08G18/30; C08G18/302; C08G18/32; C08G18/3203; C08G18/3206; C08G18/40; C08G18/48; C08G18/4854; C08G18/70; C08G18/703; C08G18/705; C08G18/706; C08G18/72; C08G18/721; C08G18/727; C08G18/74; C08G18/76; C08G18/7614; C08G18/7621; C08K; C08K5/00; C08K5/36; C08K5/43; C08K5/435; C09; C09D; C09D5/00; C09D5/02
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) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |