US3940423A
Expired / Lapsed
US
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1,2-O-dialkylmethylidene-glycero-3-phosphatides
Assignee: Max-Planck-Gesellschaft zur Förderung der Wissenschaften eV
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Filing: 1974-08-28
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Granted: 1976-02-24
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Expires: 1994-08-28
Abstract
Abstract Glycerol is reacted with a ketone having 19 to 35 carbon atoms to 1,2-O-dialkylmethylidene-glycerol which is phosphorylated by means of beta -bromoethylphosphoric acid dichloride. The resulting intermediate is aminated with ammonia, methylamine, dimethylamine, or trimethylamine to a compound of the formula CH2-OR1 ¦ ANGLE C ANGLE CH-OR2R3 ¦+¦ CH2-O-PO-O-CH2-CH2-N--R4 ¦¦ O<->R5 wherein R1 and R2 are alkyl having 9 to 17 carbon atoms, and R3, R4, and R5 are hydrogen or methyl. The compounds and their non-toxic acid addition salts are surfactants which may be employed in detergent compositions or as emulsifiers in food.
Inventors
- 👤 Hansjorg Eibl
- 👤 Alfar Nicksch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:01
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/66; A61K31/683; A61K31/685; A61P; A61P35/00; A61P35/02; A61P43/00; C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/10
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
46 words
A phosphatide which is a compound of the formula ##EQU6## wherein R 1 and R 2 are alkyl having 9 to 17 carbon atoms, and R 3 , R 4 , and R 5 are hydrogen or methyl, or an acid addition salt of said compound.
Claim 2
Dependent Claim
46 words
A phosphatide which is a compound of the formula ##EQU6## wherein R 1 and R 2 are alkyl having 9 to 17 carbon atoms, and R 3 , R 4 , and R 5 are hydrogen or methyl, or an acid addition salt of said compound.
Claim 3
Dependent Claim
20 words
A phosphatide as set forth in claim 1 which is an addition salt of said compound with a non-toxic acid.
Claim 4
Dependent Claim
16 words
A phosphatide as set forth in claim 1, wherein R 1 and R 2 are equal.
Claim 5
Dependent Claim
16 words
A phosphatide as set forth in claim 1, wherein R 1 and R 2 are pentadecyl.
References Cited (Backward Citations)
US3577446A
Cited
US3708558A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-02-23 | 1979-08-25 | 1980-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-02-23 | 1983-08-25 | 1984-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-02-23 | 1987-08-25 | 1988-02-24 | $7700.00 | Window Closed / Lapsed |