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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
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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 17:22
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)

US3224883A Cited
US3423440A Cited
US3577446A Cited
US3542820A Cited

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

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