Patent US2517646A successfully refreshed from Google Patents.
US2517646A
Expired / Lapsed
US
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Treatment of textile fabrics with polyvinyl compound
Assignee: Celanese Corp
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Filing: 1947-05-06
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Granted: 1950-08-08
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Expires: 1967-05-06
Abstract
No abstract record available.
Inventors
- 👤 Ewing Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:22
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/244; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2402
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
PROCESS FOR THE TREATMENT OF WOVEN, KNITTED AND NETTED FABRICS COMPRISING CONTINUOUS FILAMENT YARNS OF ORGANIC DERIVATIVES OF CELLULOSE, WHICH COMPRISES DEPOSITING ON THE FABRIC FROM A SOLUTION OF 3%-9% CONCENTRATION A COMPOSITION COMPRISING A POLYVINYL COMPOUND SELECTED FROM THE GROUP WHICH CONSISTS OF COPOLYMERS OF VINYL CHLORIDE AND VINYL ACETATE HAVING A VINYL CHLORIDE CONTENT OF 80%-95% AND ACETONE-INSOLUBLE
Claim 2
Dependent Claim
60 words
PROCESS FOR THE TREATMENT OF WOVEN, KNITTED AND NETTED FABRICS COMPRISING CONTINUOUS FILAMENT YARNS OF ORGANIC DERIVATIVES OF CELLULOSE, WHICH COMPRISES DEPOSITING ON THE FABRIC FROM A SOLUTION OF 3%-9% CONCENTRATION A COMPOSITION COMPRISING A POLYVINYL COMPOUND SELECTED FROM THE GROUP WHICH CONSISTS OF COPOLYMERS OF VINYL CHLORIDE AND VINYL ACETATE HAVING A VINYL CHLORIDE CONTENT OF 80%-95% AND ACETONE-INSOLUBLE
References Cited (Backward Citations)
US2057671A
Cited
GB397711A
Cited
US2015103A
Cited
US2066079A
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US2230358A
Cited
US2176053A
Cited
US2245708A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-07 | 1954-02-06 | 1954-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-07 | 1958-02-06 | 1958-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-07 | 1962-02-06 | 1962-08-08 | $7700.00 | Window Closed / Lapsed |