US2525771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fatty acid-aliphatic amine polyglycol combinations useful as textile assistants and process of producing the same
Assignee: Arkansas Co Inc
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Filing: 1947-05-12
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Granted: 1950-10-17
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Expires: 1967-05-12
Abstract
No abstract record available.
Inventors
- 👤 Alton A Cook
- 👤 Wolf Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:47
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/372; D06M7/00; D06M2200/00; D06M2200/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A PROCESS OF MAKING A TEXTILE SOFTENER WHICH COMPRISES COMBINING A HIGH MOLECULAR WEIGHT FATTY ACID HAVING 12 TO 24 CARBON ATOMS WITH A WATER SOLUBLE SATURATED ALIPHATIC AMINE AT ABOUT 165*C. TO 205*C. FOR ABOUT 1 TO 2 HOURS AND THEN WITH A POLYETHYLENE GLYCOL HAVING AN AVERAGE MOLECULAR WEIGHT RANGING FROM 200 TO 1500 AT ABOUT 150*C. TO 175*C. FOR ABOUT ONE HOUR.
Claim 2
Dependent Claim
65 words
A PROCESS OF MAKING A TEXTILE SOFTENER WHICH COMPRISES COMBINING A HIGH MOLECULAR WEIGHT FATTY ACID HAVING 12 TO 24 CARBON ATOMS WITH A WATER SOLUBLE SATURATED ALIPHATIC AMINE AT ABOUT 165*C. TO 205*C. FOR ABOUT 1 TO 2 HOURS AND THEN WITH A POLYETHYLENE GLYCOL HAVING AN AVERAGE MOLECULAR WEIGHT RANGING FROM 200 TO 1500 AT ABOUT 150*C. TO 175*C. FOR ABOUT ONE HOUR.
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) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |