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US3527728A
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Paper release coating comprising polysiloxanes,organotin compounds,and organic amines
Assignee: Imperial Chemical Industries Ltd
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Filing: 1968-02-09
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Granted: 1970-09-08
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Expires: 1988-02-09
Abstract
No abstract record available.
Inventors
- 👤 Robert Muir Gibbon
- 👤 Edward Keith Pierpoint
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:29
CPC Classifications
C; C08; C08L; C08L83/00; C08L83/04; C08G; C08G77/00; C08G77/04; C08G77/06; C08G77/08; C08G77/12; C08G77/14; C08G77/16; C08G77/20; C08G77/22; C08G77/24; C08G77/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3061567A
Cited
US3436251A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-07 | 1974-03-09 | 1974-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-07 | 1978-03-09 | 1978-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-07 | 1982-03-09 | 1982-09-08 | $7700.00 | Window Closed / Lapsed |