US2779741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-soluble compositions containing water-insoluble organic amines
Assignee: GAF Chemicals Corp
•
Filing: 1950-12-26
•
Granted: 1957-01-29
•
Expires: 1970-12-26
Abstract
No abstract record available.
Inventors
- 👤 James M Cross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:50
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/14; C23F11/141; C07; C07C; C07C2603/00; C07C2603/02; C07C2603/04; C07C2603/22; C07C2603/26; Y; Y10; Y10S; Y10S507/00; Y10S507/92; Y10S507/939
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A COMPOSITION OF MATTER YIELDING A CLEAR SOLUTION IN WATER AT A CONCENTRATION OF 50%, WHICH CAN BE DILUTED INDEFINITELY WITH HARD WATER WITHOUT SEPARATION OR PRECIPITATION OF ITS COMPONENTS, SAID COMPOSITION COMPRISING A MEMBER OF THE GROUP CONSISTING OF WATER-INSOLUBLE HYDROCARBON-MONOAMINES IN WHICH THE HYDROCARBON RADICAL INCLUDES A NON-AROMATIC RADICAL OF AT LEAST 10 CARBON ATOMS, AND DIFFICULTY WATER-SOLUBLE SALTS OF SAID AMINES, TOGETHER WITH A WATER-SOLUBLE QUATERNARY AMMONIUM SALT HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
75 words
A COMPOSITION OF MATTER YIELDING A CLEAR SOLUTION IN WATER AT A CONCENTRATION OF 50%, WHICH CAN BE DILUTED INDEFINITELY WITH HARD WATER WITHOUT SEPARATION OR PRECIPITATION OF ITS COMPONENTS, SAID COMPOSITION COMPRISING A MEMBER OF THE GROUP CONSISTING OF WATER-INSOLUBLE HYDROCARBON-MONOAMINES IN WHICH THE HYDROCARBON RADICAL INCLUDES A NON-AROMATIC RADICAL OF AT LEAST 10 CARBON ATOMS, AND DIFFICULTY WATER-SOLUBLE SALTS OF SAID AMINES, TOGETHER WITH A WATER-SOLUBLE QUATERNARY AMMONIUM SALT HAVING THE GENERAL FORMULA:
References Cited (Backward Citations)
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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) | 1960-01-29 | 1960-07-30 | 1961-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-29 | 1964-07-30 | 1965-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-29 | 1968-07-30 | 1969-01-29 | $7700.00 | Window Closed / Lapsed |