US3167446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated textile materials and process
Assignee: LEDERFABRIEK L MOMBERS NV
•
Filing: 1962-02-20
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Granted: 1965-01-26
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Expires: 1982-02-20
Abstract
No abstract record available.
Inventors
- 👤 Nijs Petrus Johannes De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:16
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/59; D06N; D06N3/00; D06N3/12; D06N3/125; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/2395; Y10T428/27; Y10T428/31504; Y10T428/31725
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
IN A PROCESS FOR THE MANUFACTURE OF A TEXTILE MATERIAL COATED WITH A POLYAMIDE IN WHICH A COTTON FABRIC IS TREATED WITH A SOLUTION OF A POLYAMIDE IN FORMIC ACID AND THE POLYAMIDE IS PRECIPITATED FROM THE SOLUTION ON TO THE FABRIC WITH THE AID OF AN AQUEOUS LIQUID, AFTER WHICH THE TEXTILE PRODUCT IS WASHED; THE IMPROVEMENT CHARACTERIZED IN THAT A NAPPED COTTON FABRIC IS TREATED WITH A SOLUTION OF FROM 5% TO 20% BY WEIGHT OF POLYAMIDE CONTAINING A DISPERSED, SULPHITED UNSATURATED OIL IN AN AMOUNT WHICH
Claim 2
Dependent Claim
89 words
IN A PROCESS FOR THE MANUFACTURE OF A TEXTILE MATERIAL COATED WITH A POLYAMIDE IN WHICH A COTTON FABRIC IS TREATED WITH A SOLUTION OF A POLYAMIDE IN FORMIC ACID AND THE POLYAMIDE IS PRECIPITATED FROM THE SOLUTION ON TO THE FABRIC WITH THE AID OF AN AQUEOUS LIQUID, AFTER WHICH THE TEXTILE PRODUCT IS WASHED; THE IMPROVEMENT CHARACTERIZED IN THAT A NAPPED COTTON FABRIC IS TREATED WITH A SOLUTION OF FROM 5% TO 20% BY WEIGHT OF POLYAMIDE CONTAINING A DISPERSED, SULPHITED UNSATURATED OIL IN AN AMOUNT WHICH
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-26 | 1968-07-27 | 1969-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-26 | 1972-07-27 | 1973-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-26 | 1976-07-27 | 1977-01-26 | $7700.00 | Window Closed / Lapsed |