US2547728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water repellent compositions for textiles
Assignee: QUAKER CHEMICAL PRODUCTS Corp
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Filing: 1948-10-04
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Granted: 1951-04-03
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Expires: 1968-10-04
Abstract
No abstract record available.
Inventors
- 👤 Abrams Ellis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:03
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/402; D06M13/405; D06M13/432; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A COMPOSITION PARTICULARLY ADAPTED FOR RENDERING TEXTILE MATERIAL WATER REPELLENT COMPRISING A SUBSTITUTED UREA HAVING THE FORMULA RNH-CO-NHR1 WHERE R REPRESENTS AN ALIPHATIC HYDROCARBON RADICAL CONTAINING AT LEAST TWELVE CARBON ATOMS AND R1 REPRESENTS A SUBSTITUENT SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND HYDROCARBON RADICAL; A DIAMIDE OF THE FORMULA R''-CO-NH-R-NH-CO-R'' WHERE R AND R'' REPRESENT SATURATED OPEN CHAIN HYDROCARBON RADICALS, R HAVING AT LEAST SIX CARBON ATOMS AND R'' AT LEAST 12; AND A RESIN SOLUBLE IN AN ORGANIC SOLVENT SELECTED FROM THE GROUP CONSISTING OF UREA ALDEHYDE AND MELAMINE ALDEHYDE CONDENSATION PRODUCTS.
Claim 2
Dependent Claim
95 words
A COMPOSITION PARTICULARLY ADAPTED FOR RENDERING TEXTILE MATERIAL WATER REPELLENT COMPRISING A SUBSTITUTED UREA HAVING THE FORMULA RNH-CO-NHR1 WHERE R REPRESENTS AN ALIPHATIC HYDROCARBON RADICAL CONTAINING AT LEAST TWELVE CARBON ATOMS AND R1 REPRESENTS A SUBSTITUENT SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND HYDROCARBON RADICAL; A DIAMIDE OF THE FORMULA R''-CO-NH-R-NH-CO-R'' WHERE R AND R'' REPRESENT SATURATED OPEN CHAIN HYDROCARBON RADICALS, R HAVING AT LEAST SIX CARBON ATOMS AND R'' AT LEAST 12; AND A RESIN SOLUBLE IN AN ORGANIC SOLVENT SELECTED FROM THE GROUP CONSISTING OF UREA ALDEHYDE AND MELAMINE ALDEHYDE CONDENSATION PRODUCTS.
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) | 1954-04-02 | 1954-10-02 | 1955-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-02 | 1958-10-02 | 1959-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-02 | 1962-10-02 | 1963-04-03 | $7700.00 | Window Closed / Lapsed |