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US3436251A
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Process for rendering paper abrasion resistant,adhesive and water-repellent employing siloxane composition
Assignee: Midland Silicones Ltd
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Filing: 1965-07-29
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Granted: 1969-04-01
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Expires: 1985-07-29
Abstract
No abstract record available.
Inventors
- 👤 David M Rees
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:50
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/10; D21H19/14; D21H19/24; D21H19/32; C; C08; C08L; C08L83/00; C08L83/04; C08G; C08G77/00; C08G77/04; C08G77/12; C08G77/14; C08G77/16; C08G77/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2588393A
Cited
US2588365A
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US2971864A
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US2985545A
Cited
GB872138A
Cited
GB889001A
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US3247281A
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US3303048A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-31 | 1972-09-30 | 1973-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-31 | 1976-09-30 | 1977-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-31 | 1980-09-30 | 1981-04-01 | $7700.00 | Window Closed / Lapsed |