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US3746742A
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Polyglycol-ethylene-imine derivatives
Assignee: Hoechst AG
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Filing: 1970-08-26
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Granted: 1973-07-17
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Expires: 1990-08-26
Abstract
Abstract POLYADDUCTS ARE OBTAINED WHEN TREATING METHANES HAVING ETHYLENE-IMINE RINGS AND A POLYETHER CHAIN OR A FLUOROALKYL CHAIN WITH ACIDIC COMPOUNDS. THE POLYADDUCTS ARE TEXTILE FINISHING AGENTS RENDERING TEXTILES HYDROPHOBIC AND OLEOPHOBIC AND ACHIEVE THE SO-CALLED SOIL-RELEASE EFFECT.
Inventors
- 👤 E Schuierer
- 👤 D Hoffmann
- 👤 S Rebsdat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:39
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/372; C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/48; C08G18/4833; C08G18/70; C08G18/72; C08G18/80; C08G18/8061; C08G18/8083; C08G18/8087; C08G65/00; C08G65/02; C08G65/32; C08G65/329; C08G65/333; C08G65/33348; C08G69/00; D06M13/395; D06M13/398; D06M15/00; D06M15/19; D06M15/37; D06M15/564; D06M15/576; D06M15/61
Claims Analysis
Total Claims: 0
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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) | 1976-07-16 | 1977-01-15 | 1977-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-16 | 1981-01-15 | 1981-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-16 | 1985-01-15 | 1985-07-17 | $7700.00 | Window Closed / Lapsed |