US3875196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing phosphoric acid esters of fatty acid mono- or di-glycerides
Assignee: Ajinomoto Co Inc
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Filing: 1971-12-28
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Granted: 1975-04-01
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Expires: 1991-12-28
Abstract
Abstract Phosphoric acid esters of fatty acid mono- or di-glyceride are prepared by reacting a fatty acid mono- or di-glyceride with phosphorylating amounts of polyphosphoric acids.
Inventors
- 👤 Takashi Meguro
- 👤 Hironori Takashashi
- 👤 Kazuko Arai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:04
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/02; C11D1/34; C11D1/345; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/091; C07F9/10; C07F9/103
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
39 words
A PROCESS FOR PRODUCING PHOSPHORIC ACID ESTERS OF FATTY ACID MONO- OR DIGLYCERIDES WHICH COMPRISES REACTING A MONOOR DIGLYCERIDE ESTER OF STEARIC ACID, MYRISTIC ACID, PALMITIC ACID, PALMITOLEIC ACID OR A MIXTURE ACID ESTER THEREOF WITH A POLYPHOSPHRIC ACID.
Claim 2
Dependent Claim
39 words
A PROCESS FOR PRODUCING PHOSPHORIC ACID ESTERS OF FATTY ACID MONO- OR DIGLYCERIDES WHICH COMPRISES REACTING A MONOOR DIGLYCERIDE ESTER OF STEARIC ACID, MYRISTIC ACID, PALMITIC ACID, PALMITOLEIC ACID OR A MIXTURE ACID ESTER THEREOF WITH A POLYPHOSPHRIC ACID.
Claim 3
Dependent Claim
27 words
The process of claim 1, wherein said phosphoric acid esters of fatty acid mono- or di-glycerides are obtained in the form of their corresponding mono-alkali metal salts.
Claim 4
Dependent Claim
15 words
The process of claim 1, wherein said polyphosphoric acids are prepared by heAting phosphoric acid.
Claim 5
Dependent Claim
19 words
The process of claim 1, wherein said polyphosphoric acids are prepared by heat treating phosphoric acid with phosphorous pentoxide.
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) | 1978-03-31 | 1978-09-30 | 1979-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-31 | 1982-09-30 | 1983-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-31 | 1986-09-30 | 1987-04-01 | $7700.00 | Window Closed / Lapsed |