US2820724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile treatment
Assignee: EIDP Inc
•
Filing: 1953-12-23
•
Granted: 1958-01-21
•
Expires: 1973-12-23
Abstract
No abstract record available.
Inventors
- 👤 James K Sneed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:32
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A PROCESS FOR RENDERING A TEXTILE MATERIAL LESS RETENTIVE TO ELECTROSTATIC CHARGES WTHOUT ADVERSELY AFFECTING ITS HANDLE COMPRISING TREATING THE TEXTILE MATERIAL WITH A COMPOSITION CONTAINING AN INSOLUBILIZABLE OXYGEN-CONTAINING POLYAMIDE, CONTAINING AT LEAST 4% OXYGEN BY WEIGHT EXCLUSIVE OF CARBONYL CONTENT, AND A WATER DISPERSIBLE POLYETHER AND AN INSOLUBILIZING AGENT, INSOLUBILIZING THE POLYAMIDE ON THE TEXTILE MATEREIAL AND REMOVING THE POLYETHERE FROM THE TREATED TEXTILE MATERIAL.
Claim 2
Dependent Claim
66 words
A PROCESS FOR RENDERING A TEXTILE MATERIAL LESS RETENTIVE TO ELECTROSTATIC CHARGES WTHOUT ADVERSELY AFFECTING ITS HANDLE COMPRISING TREATING THE TEXTILE MATERIAL WITH A COMPOSITION CONTAINING AN INSOLUBILIZABLE OXYGEN-CONTAINING POLYAMIDE, CONTAINING AT LEAST 4% OXYGEN BY WEIGHT EXCLUSIVE OF CARBONYL CONTENT, AND A WATER DISPERSIBLE POLYETHER AND AN INSOLUBILIZING AGENT, INSOLUBILIZING THE POLYAMIDE ON THE TEXTILE MATEREIAL AND REMOVING THE POLYETHERE FROM THE TREATED TEXTILE MATERIAL.
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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) | 1961-01-20 | 1961-07-22 | 1962-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-20 | 1965-07-22 | 1966-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-20 | 1969-07-22 | 1970-01-21 | $7700.00 | Window Closed / Lapsed |