US2997407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile finishing agents
Assignee: Wyeth Holdings LLC
•
Filing: 1956-01-23
•
Granted: 1961-08-22
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Expires: 1976-01-23
Abstract
No abstract record available.
Inventors
- 👤 Edward B Lawler
- 👤 Kenneth D Ballou
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:03
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/10; D06M13/184; D06M13/188; D06M15/00; D06M15/01; D06M15/17
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A METHOD OF APPLYING A WATER-REPELLENT COMPOSITION TO TEXTILES WHICH COMPRISES WETTING OUT SAID TEXTILES IN AN AQUEOUS DISPERSION OF SAID WATER-REPELLENT COMPOSITION BY THE WETTING ACTION OF AMMONIUM SOAPS OF A MIXTURE OF FROM ABOUT 20% TO ABOUT 80% BY WEIGHT OF ABIETIC ACID AND FROM ABOUT 80% TO ABOUT 20% BY WEIGHT OF FATTY ACIDS OF FROM ABOUT 8 TO ABOUT 22 CARBON ATOMS AND THEREBY APPLYING THE WATER REPELLENT TO THE TEXTILES AND DRYING THE TEXTILES CONTAINING THE APPLIED WATER-REPELLENT
Claim 2
Independent Claim
83 words
A METHOD OF APPLYING A WATER-REPELLENT COMPOSITION TO TEXTILES WHICH COMPRISES WETTING OUT SAID TEXTILES IN AN AQUEOUS DISPERSION OF SAID WATER-REPELLENT COMPOSITION BY THE WETTING ACTION OF AMMONIUM SOAPS OF A MIXTURE OF FROM ABOUT 20% TO ABOUT 80% BY WEIGHT OF ABIETIC ACID AND FROM ABOUT 80% TO ABOUT 20% BY WEIGHT OF FATTY ACIDS OF FROM ABOUT 8 TO ABOUT 22 CARBON ATOMS AND THEREBY APPLYING THE WATER REPELLENT TO THE TEXTILES AND DRYING THE TEXTILES CONTAINING THE APPLIED WATER-REPELLENT
References Cited (Backward Citations)
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US1732729A
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US2052170A
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US2069823A
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US2489473A
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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) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |