US2523934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-acylated amino-methyl ethers and process of making same
Assignee: BASF Schweiz AG
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Filing: 1948-08-20
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Granted: 1950-09-26
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Expires: 1968-08-20
Abstract
No abstract record available.
Inventors
- 👤 Albrecht Otto
- 👤 Graenacher Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:47
CPC Classifications
C; C08; C08G; C08G12/00; C08G12/02; C08G12/04; C08G12/22; C07; C07C; C07C233/00; C07C233/01; C07C233/16; C07C271/00; C07C271/06; D; D06; D06M; D06M13/00; D06M13/322; D06M13/402
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
PROCESS FOR THE MANUFACTURE OF AN NACYLATED AMINO METHYL ETHER WHICH COMPRISES CONDENSING AN AMIDE OF A FATTY ACID CONTAINING AT LEAST TWELVE CARBON ATOMS AND AT LEAST ONE HYDROGEN ATOM LINKED TO AN AMIDE NITROGEN ATOM WITH FORMALDEHYDE AND A TERTIARY AMINE CONTAINING AT LEAST ONE HYDROXY GROUP BOUND TO AN ALKYL RADICAL OF AT LEAST TWO CARBON ATOMS AT A TEMPERATURE EXCEEDING 90*C., BUT BELOW THE TEMPERATURE OF DECOMPOSITION OF THE N-ACYLATED AMINO METHYL ETHER, ALL OF THE SAID TERTIARY AMINE BEING PRESENT DURING THE REACTION AS A FREE BASE.
Claim 2
Dependent Claim
92 words
PROCESS FOR THE MANUFACTURE OF AN NACYLATED AMINO METHYL ETHER WHICH COMPRISES CONDENSING AN AMIDE OF A FATTY ACID CONTAINING AT LEAST TWELVE CARBON ATOMS AND AT LEAST ONE HYDROGEN ATOM LINKED TO AN AMIDE NITROGEN ATOM WITH FORMALDEHYDE AND A TERTIARY AMINE CONTAINING AT LEAST ONE HYDROXY GROUP BOUND TO AN ALKYL RADICAL OF AT LEAST TWO CARBON ATOMS AT A TEMPERATURE EXCEEDING 90*C., BUT BELOW THE TEMPERATURE OF DECOMPOSITION OF THE N-ACYLATED AMINO METHYL ETHER, ALL OF THE SAID TERTIARY AMINE BEING PRESENT DURING THE REACTION AS A FREE BASE.
References Cited (Backward Citations)
US2146408A
Cited
US2448125A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-25 | 1954-03-27 | 1954-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-25 | 1958-03-27 | 1958-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-25 | 1962-03-27 | 1962-09-26 | $7700.00 | Window Closed / Lapsed |