US2809159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antistatic and rewetting treatment of textile material
Assignee: Dexter Chemical Corp
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Filing: 1954-11-18
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Granted: 1957-10-08
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Expires: 1974-11-18
Abstract
No abstract record available.
Inventors
- 👤 Ernest I Welles
- 👤 Sidney M Edelstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:12
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/372; D06M13/10; D06M13/144; D06M13/148; D06M13/368; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T442/00; Y10T442/20; Y10T442/2418; Y10T442/2459; Y10T442/2484
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
AN ANTISTATIC AND REWETTING COMPOSITION FOR APPLICATION TO TEXTILE MATERIAL COMPRISING (1) A WATER DISPERSIBLE ETHOXYLATED HYDROXY TERTIARY AMINE CONTAINING A C8-C24 UNSUBSTITUTED ALKYL GROUP DIRECTLY ATTACHED TO THE AMINE NITROGEN AND (2) A WATER SOLUBLE, SUBSTANTIALLY NON-VOLATILE POLYHYDRIC ALCOHOL IN UNESTERIFIED CONDITION, THE POLYHYDRIC ALCOHOL SERVING TO INCREASE THE ANTISTATIC EFFECT OF THE AMINE AND THE PROPORTIONS BEING 50-95 PARTS BY WEIGHT OF THE AMINO TO 100 OF COMBINED WEIGHT OF AMINE AND POLYHYDRIC ALCOHOL.
Claim 2
Dependent Claim
76 words
AN ANTISTATIC AND REWETTING COMPOSITION FOR APPLICATION TO TEXTILE MATERIAL COMPRISING (1) A WATER DISPERSIBLE ETHOXYLATED HYDROXY TERTIARY AMINE CONTAINING A C8-C24 UNSUBSTITUTED ALKYL GROUP DIRECTLY ATTACHED TO THE AMINE NITROGEN AND (2) A WATER SOLUBLE, SUBSTANTIALLY NON-VOLATILE POLYHYDRIC ALCOHOL IN UNESTERIFIED CONDITION, THE POLYHYDRIC ALCOHOL SERVING TO INCREASE THE ANTISTATIC EFFECT OF THE AMINE AND THE PROPORTIONS BEING 50-95 PARTS BY WEIGHT OF THE AMINO TO 100 OF COMBINED WEIGHT OF AMINE AND POLYHYDRIC ALCOHOL.
References Cited (Backward Citations)
US2067202A
Cited
US2684311A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-07 | 1961-04-08 | 1961-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-07 | 1965-04-08 | 1965-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-07 | 1969-04-08 | 1969-10-08 | $7700.00 | Window Closed / Lapsed |