US2562384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of quaternary ammonium salts of acylated aminoethyl morpholines
Assignee: JOHN J MCCABE JR
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Filing: 1949-10-05
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Granted: 1951-07-31
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Expires: 1969-10-05
Abstract
No abstract record available.
Inventors
- 👤 Hans S Mannheimer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:47
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/12; C07D295/125; C07D295/13; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/14; C23F11/149; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
THE METHOD COMPRISING AT ELEVATED TEMPERATURE IN THE RANGE OF 130* -190* C. AND UNDER REDUCED PRESSURE CONDITIONS OF 10-400 MILLIMETERS OF MERCURY PRESSURE, CONDENSING A MIXTURE OF APPROXIMATELY ONE MOLE OF AMINO ETHYL MORPHOLINE WITH APPROXIMATELY ONE MOLE OF MONOCARBOXYLIC FATTY ACID OF 8-18 CARBON ATOMS UNTIL APPROXIMATELY ONE MOLE OF WATER HAS BEEN FORMED AND REMOVED, THEN REACTING SAID ORGANIC CONDENSATE WITH BENZYL CHLORIDE.
Claim 2
Independent Claim
66 words
THE METHOD COMPRISING AT ELEVATED TEMPERATURE IN THE RANGE OF 130* -190* C. AND UNDER REDUCED PRESSURE CONDITIONS OF 10-400 MILLIMETERS OF MERCURY PRESSURE, CONDENSING A MIXTURE OF APPROXIMATELY ONE MOLE OF AMINO ETHYL MORPHOLINE WITH APPROXIMATELY ONE MOLE OF MONOCARBOXYLIC FATTY ACID OF 8-18 CARBON ATOMS UNTIL APPROXIMATELY ONE MOLE OF WATER HAS BEEN FORMED AND REMOVED, THEN REACTING SAID ORGANIC CONDENSATE WITH BENZYL CHLORIDE.
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) | 1954-07-30 | 1955-01-29 | 1955-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-30 | 1959-01-29 | 1959-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-30 | 1963-01-29 | 1963-07-31 | $7700.00 | Window Closed / Lapsed |