Patent US3087905A successfully refreshed from Google Patents.
US3087905A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Durable fluorochemical-melamine resin textile finish
Assignee: Wyeth Holdings LLC
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Filing: 1960-05-03
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Granted: 1963-04-30
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Expires: 1980-05-03
Abstract
No abstract record available.
Inventors
- 👤 Linton A Fluck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:36
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/263; D06M15/277; D06M15/37; D06M15/39; D06M15/423; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31844; Y10T428/31848; Y10T428/31851; Y10T428/31942; Y10T428/31949; Y10T442/00; Y10T442/20; Y10T442/2164; Y10T442/2172
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A PROCESS FOR IMPARTING A DURABLE OIL AND WATER REPELLENT FINISH TO TEXTILE MATERIAL WHICH COMPRISES APPLYING THERETO FROM BETWEEN .1 AND 5% INCLUSIVE BY WEIGHT OF AN OLEOPHOBIC AND HYDROPHOBIC FLUOROCHEMICAL HAVING THE FOLLOWING FORMULA:
Claim 2
Dependent Claim
36 words
A PROCESS FOR IMPARTING A DURABLE OIL AND WATER REPELLENT FINISH TO TEXTILE MATERIAL WHICH COMPRISES APPLYING THERETO FROM BETWEEN .1 AND 5% INCLUSIVE BY WEIGHT OF AN OLEOPHOBIC AND HYDROPHOBIC FLUOROCHEMICAL HAVING THE FOLLOWING 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) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |