US2586105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of textile materials
Assignee: Celanese Corp
•
Filing: 1946-04-24
•
Granted: 1952-02-19
•
Expires: 1966-04-24
Abstract
No abstract record available.
Inventors
- 👤 Speakman John Bamber
- 👤 Crummett Alan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:35
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/52; D06M13/522; D06M13/10; D06M13/184; D06M13/188
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
PROCESS FOR PRODUCING A PILE UPON TEXTILE FABRICES MADE FROM YARNS SPUN FROM A MIXTURE OF WOOL FIBERSS AND CELLULOSE ESTER STAPLE FIBERS, WHICH COMPRISES THOROUGHLY WETTING THE FABRIC, MILLING THE FABRIC WHILE WET WITH AN ORGANIC SOFTENING AGENT HAVING A SHRINKING EFFECT ON THE CELLULOSE ESTER FIBERS ALONE SO AS TO CAUSE THE SHRINKING OF THE CELLULOSE ESTER STAPLE FIBERS AND THE RESULTING FABRIC TO CONTAIN A GREATER PROPORTION OF WOOL FIBERSS IN THE SURFACE FIBERS THAN IN THE FABRIC AS A WHOLE, REMOVING THE ORGANIC SOFTENING AGENT FROM THE FABRIC, THEN SUBJECTING THE FABRIC TO A RAISING TREATINGMENT WHEREBY THERE IS PRODUCTED UPON THE FABRIC A PILE CONTAINING A GREATER PROPORTION OF WOOL THAN DOES THE FABRIC AS A WHOLE.
Claim 2
Dependent Claim
122 words
PROCESS FOR PRODUCING A PILE UPON TEXTILE FABRICES MADE FROM YARNS SPUN FROM A MIXTURE OF WOOL FIBERSS AND CELLULOSE ESTER STAPLE FIBERS, WHICH COMPRISES THOROUGHLY WETTING THE FABRIC, MILLING THE FABRIC WHILE WET WITH AN ORGANIC SOFTENING AGENT HAVING A SHRINKING EFFECT ON THE CELLULOSE ESTER FIBERS ALONE SO AS TO CAUSE THE SHRINKING OF THE CELLULOSE ESTER STAPLE FIBERS AND THE RESULTING FABRIC TO CONTAIN A GREATER PROPORTION OF WOOL FIBERSS IN THE SURFACE FIBERS THAN IN THE FABRIC AS A WHOLE, REMOVING THE ORGANIC SOFTENING AGENT FROM THE FABRIC, THEN SUBJECTING THE FABRIC TO A RAISING TREATINGMENT WHEREBY THERE IS PRODUCTED UPON THE FABRIC A PILE CONTAINING A GREATER PROPORTION OF WOOL THAN DOES THE FABRIC AS A WHOLE.
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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) | 1955-02-18 | 1955-08-20 | 1956-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-18 | 1959-08-20 | 1960-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-18 | 1963-08-20 | 1964-02-19 | $7700.00 | Window Closed / Lapsed |