US2742379A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of textile fibers with antistatic agent and product thereof
Assignee: EIDP Inc
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Filing: 1954-02-25
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Granted: 1956-04-17
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Expires: 1974-02-25
Abstract
No abstract record available.
Inventors
- 👤 Schofield Frank Mcgrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:35
CPC Classifications
D; D06; D06M; D06M11/00; D06M11/68; D06M11/72; D06M13/00; D06M13/244; D06M13/282; D06M13/292; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/16; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2967; Y10T428/2969; Y10T428/2971
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
HYDROPHOBIC, NON-CELLULOSIC TEXTILE FIBER HAVING INCORPORATED THEREIN ABOUT 0.02 TO 2.5% BY WEIGHT OF AN ANTISTATIC AGENT, THE LATTER BEING A MIXTURE OF ALKANOL AMINE SALTS OF ALKYL ESTERS OF PHOSPHORUS COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF PENTAVALENT PHOSPHROUS ACIDS AND PENTAVALENT PHOSPHOROUS ACID AHYDRIDES, SAID ALKYL ESTERS BEING CHARACTERIZED BY THE PRESENCE OF -P-O-P-LINKAGES AND WHEREIN THE ALKYL RADICAL CONTAINS AT LEAST 8 CARBONS ATOMS
Claim 2
Dependent Claim
67 words
HYDROPHOBIC, NON-CELLULOSIC TEXTILE FIBER HAVING INCORPORATED THEREIN ABOUT 0.02 TO 2.5% BY WEIGHT OF AN ANTISTATIC AGENT, THE LATTER BEING A MIXTURE OF ALKANOL AMINE SALTS OF ALKYL ESTERS OF PHOSPHORUS COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF PENTAVALENT PHOSPHROUS ACIDS AND PENTAVALENT PHOSPHOROUS ACID AHYDRIDES, SAID ALKYL ESTERS BEING CHARACTERIZED BY THE PRESENCE OF -P-O-P-LINKAGES AND WHEREIN THE ALKYL RADICAL CONTAINS AT LEAST 8 CARBONS ATOMS
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) | 1959-04-17 | 1959-10-17 | 1960-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-17 | 1963-10-17 | 1964-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-17 | 1967-10-17 | 1968-04-17 | $7700.00 | Window Closed / Lapsed |