US3639296A
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Antistatic compositions and method of rendering textiles antistatic
Assignee: Henkel AG and Co KGaA
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Filing: 1967-12-26
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Granted: 1972-02-01
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Expires: 1987-12-26
Abstract
Abstract A NOVEL METHOD OF PROVIDING FABRICS MADE PARTIALLY OR ENTIRELY OF SYNTHETIC FIBERS WITH WASH RESISTANT AND DRY CLEANING RESISTANT ANTISTATIC FINSIH AND THE FABRICS PRODUCED THEREBY AND NOVEL COMPOSITIONS USED IN SAID PROCESS. SAID COMPOSITIONS ARE CONDENSATION PRODUCTS OF (A) AN AMINE WITH (B) A DI- AND/OR POLYHALOHYDRIN ETHER OF A DI- OR POLYALCOHOL, AT LEAST ONE OF (A) AND (B) BEING AT LEAST PARTIALLY SUBSTITUTED WITH A LIPOPHILIC RADICAL OF 8 TO 22 CARBON ATOMS.
Inventors
- 👤 Herbert Frotscher
- 👤 Manfred Petzold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:11
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/55; C; C08; C08G; C08G73/00; C08G73/02; C08G73/0206; C08G73/0213; C08G73/022; D06M13/00; D06M13/322; D06M13/385; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/17; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2915; Y10T442/00; Y10T442/20; Y10T442/2418; Y10T442/2459; Y10T442/2549; Y10T442/2566
Claims Analysis
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References Cited (Backward Citations)
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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) | 1975-01-31 | 1975-08-02 | 1976-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-31 | 1979-08-02 | 1980-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-31 | 1983-08-02 | 1984-02-01 | $7700.00 | Window Closed / Lapsed |