Patent US2739980A successfully refreshed from Google Patents.
US2739980A
Expired / Lapsed
US
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Salts of oxyalkylated fatty amines
Assignee: Poor and Co
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Filing: 1951-12-19
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Granted: 1956-03-27
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Expires: 1971-12-19
Abstract
No abstract record available.
Inventors
- 👤 Allan E Chester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:20
CPC Classifications
C; C23; C23G; C23G1/00; C23G1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
SALTS OF ALDONIC ACIDS AND OXYALKYLATED FATTY AMINES CONTAINING IN THEIR MOLECULES AT LEAST 4 OXYALKYLENE GROUPS FROM THE GROUP CONSISTING OF OXYETHYLENE AND OXYPROPYLENE GROUPS AND IN THE ALIPHATIC CHAIN OF THE FATTY AMINE 8 TO 60 CARBON ATOMS, SAID SALTS BEING SOLUBLE IN WATER AND IN ACID SOLUTIONS AND EXHIBITING CATIONIC ACTIVITY.
Claim 2
Dependent Claim
54 words
SALTS OF ALDONIC ACIDS AND OXYALKYLATED FATTY AMINES CONTAINING IN THEIR MOLECULES AT LEAST 4 OXYALKYLENE GROUPS FROM THE GROUP CONSISTING OF OXYETHYLENE AND OXYPROPYLENE GROUPS AND IN THE ALIPHATIC CHAIN OF THE FATTY AMINE 8 TO 60 CARBON ATOMS, SAID SALTS BEING SOLUBLE IN WATER AND IN ACID SOLUTIONS AND EXHIBITING CATIONIC ACTIVITY.
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) | 1959-03-27 | 1959-09-26 | 1960-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-27 | 1963-09-26 | 1964-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-27 | 1967-09-26 | 1968-03-27 | $7700.00 | Window Closed / Lapsed |