Patent US3304198A successfully refreshed from Google Patents.
US3304198A
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US
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Process for preparing oleophobic and hydrophobic fiber and fiber prepared therewith
Assignee: Honeywell International Inc
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Filing: 1963-10-28
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Granted: 1967-02-14
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Expires: 1983-10-28
Abstract
No abstract record available.
Inventors
- 👤 Woolf Cyril
- 👤 Hollander Jerome
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:07
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/263; D06M15/277; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2967; Y10T428/2969; Y10T428/2971
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A PROCESS FOR THE PREPARATION OF AN OLEOPHOBIC AND HYDROPHOBIC FIBER WHICH COMPRISES IMPREGNATING A FIBER WITH A FLUORINATED ACRYLIC POLYMER OF A COMPOUND HAVING THE FORMULA:
Claim 2
Dependent Claim
27 words
A PROCESS FOR THE PREPARATION OF AN OLEOPHOBIC AND HYDROPHOBIC FIBER WHICH COMPRISES IMPREGNATING A FIBER WITH A FLUORINATED ACRYLIC POLYMER OF A COMPOUND HAVING THE FORMULA:
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) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |