US2524022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water repellent fabrics and composition and process for making same
Assignee: Ellis Foster Co
•
Filing: 1948-03-04
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Granted: 1950-09-26
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Expires: 1968-03-04
Abstract
No abstract record available.
Inventors
- 👤 John B Rust
- 👤 William B Canfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:37
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/02; D06M13/322; D06M13/325; D06M15/00; D06M15/19; D06M15/21; D06M15/263; D06M15/37; D06M15/39; D06M15/423
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A COMPOSITION PARTICULARLY ADAPTED FOR RENDERING FABRICS WATER-REPELLENT WHEN SAID FABRICS ARE IMPREGNATED THEREWITH AND HEATED, COMPRISING AN EMULSION CONTAINING, AS THE DISPERSING PHASE, AN AQUEOUS SOLUTION OF A SALT OF A VOLATILE BASE AND A LINEAR POLYMERIC POLYCARBOXYLIC ACID AND, AS THE DISPERSE PHASE, A WAX AND AN ALIPHATIC HYDROCARBON PRIMARY AMINE CONTAINING FROM 10 TO 22 CARBON ATOMS, THE AMOUNT OF AMINE BEING FROM 0.15 TO 0.95 MOLE PER CARBOXYL GROUP AND THE AMOUNT OF WAX BEING FROM 1 TO 4 PARTS PER 1 PART OF THE POLYMERIC ACID AND THE AMINE COMBINED.
Claim 2
Dependent Claim
95 words
A COMPOSITION PARTICULARLY ADAPTED FOR RENDERING FABRICS WATER-REPELLENT WHEN SAID FABRICS ARE IMPREGNATED THEREWITH AND HEATED, COMPRISING AN EMULSION CONTAINING, AS THE DISPERSING PHASE, AN AQUEOUS SOLUTION OF A SALT OF A VOLATILE BASE AND A LINEAR POLYMERIC POLYCARBOXYLIC ACID AND, AS THE DISPERSE PHASE, A WAX AND AN ALIPHATIC HYDROCARBON PRIMARY AMINE CONTAINING FROM 10 TO 22 CARBON ATOMS, THE AMOUNT OF AMINE BEING FROM 0.15 TO 0.95 MOLE PER CARBOXYL GROUP AND THE AMOUNT OF WAX BEING FROM 1 TO 4 PARTS PER 1 PART OF THE POLYMERIC ACID AND THE AMINE COMBINED.
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) | 1953-09-25 | 1954-03-27 | 1954-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-25 | 1958-03-27 | 1958-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-25 | 1962-03-27 | 1962-09-26 | $7700.00 | Window Closed / Lapsed |