Patent US3592679A successfully refreshed from Google Patents.
US3592679A
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US
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Surface treatment of polymeric materials
Assignee: Cabot Corp
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Filing: 1969-05-29
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Granted: 1971-07-13
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Expires: 1989-05-29
Abstract
Abstract SAID POLYMERIC MATERIALS ARE RENDERED WATER-REPELLENT BY APPLYING TO THE SURFACE THEREOF CERTAIN COLLOIDAL METAL OR METALLOID OXIDES.
Inventors
- 👤 Paul R Tully
- 👤 William J Fletcher
- 👤 Hector Cochrane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:21
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/45; C04B41/50; C04B41/5076; C04B41/5089; C08; C08J; C08J7/00; C08J7/04; C08J7/06; C23; C23F; C23F11/00; C23F11/08; C23F11/10; D; D21; D21H; D21H19/00; D21H19/36; D21H19/44; D21H19/62; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24893; Y10T428/25; Y10T428/256
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-07-12 | 1975-01-11 | 1975-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-12 | 1979-01-11 | 1979-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-12 | 1983-01-11 | 1983-07-13 | $7700.00 | Window Closed / Lapsed |