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US4997819A Expired / Lapsed US ⏱️ 0.0 years remaining

Fatty emulsion stabilized by a polysaccharide derivative

Assignee: NOF Corp
•
Filing: 1989-11-21
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Granted: 1991-03-05
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Expires: 2009-11-21
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Abstract

Abstract The invention is a fatty emulsion stabilized by a polysaccharide derivative, wherein the fatty emulsion contains a polysaccharide derivative which is substituted by a fatty acid or cholesterol at a proportion of 0.5-5 per 100 of sugar units.

Inventors

  • 👤 Shigehiko Yamaguchi
  • 👤 Junzo Sunamoto

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 02:13
CPC Classifications
C; C08; C08B; C08B37/00; C08B37/0006; C08B37/0009; C08B37/0018; A; A23; A23L; A23L29/00; A23L29/20; A23L29/269; A23L29/274; A61; A61K; A61K47/00; A61K47/30; A61K47/36; C09; C09K; C09K23/00; C09K23/56

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 31 words
A fatty emulsion stabilized by a polysaccharide derivative, wherein the fatty emulsion contains a polysaccharide derivative which is substituted by cholesterol at a proportion of 0.5-5 per 100 of sugar units.
Claim 2
Dependent Claim 31 words
A fatty emulsion stabilized by a polysaccharide derivative, wherein the fatty emulsion contains a polysaccharide derivative which is substituted by cholesterol at a proportion of 0.5-5 per 100 of sugar units.
Claim 3
Dependent Claim 22 words
A fatty emulsion as claimed in claim 1 in which the polysaccharide derivative is a pullulan, an amylopectin or or a dextrin.
Claim 4
Dependent Claim 20 words
A fatty emulsion stabilized by a polysaccharide derivative, wherein the fatty emulsion contains a polysaccharide derivative which is N-[2-(cholesteryloxy-carbonylamino)ethyl]carbamoylmethylated pullulan.
Claim 5
Dependent Claim 20 words
A fatty emulsion stabilized by a polysaccharide derivative, wherein the fatty emulsion contains a polysaccharide derivative which is N-[2-(cholesteryloxy-carbonylamino)ethyl]carbamoylmethylated pullulan.
Claim 6
Dependent Claim 36 words
A fatty emulsion stabilized by a polysaccharide derivative, wherein the fatty emulsion contains a polysaccharide derivative which is substituted by cholesterol at a proportion of 0.5-5 per 100 of sugar units and which is N-[2-(cholesteryloxy-carbonylamino)ethyl]carbamoylmethylated pullulan.
Claim 7
Dependent Claim 36 words
A fatty emulsion stabilized by a polysaccharide derivative, wherein the fatty emulsion contains a polysaccharide derivative which is substituted by cholesterol at a proportion of 0.5-5 per 100 of sugar units and which is N-[2-(cholesteryloxy-carbonylamino)ethyl]carbamoylmethylated pullulan.

References Cited (Backward Citations)

US4293572A Cited
US4312891A Cited
US4461777A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1994-03-04 1994-09-03 1995-03-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1998-03-04 1998-09-03 1999-03-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2002-03-04 2002-09-03 2003-03-05 $7700.00 Window Closed / Lapsed

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