IP Library Patent Application 12226041
Patent Application
App. No. 12/226,041

Emulsions and Microcapsules With Substances Having Low Interfacial Tension, Methods of Making and Using Thereof

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Patent No.
US None
App. No.
12/226,041
Abstract

Disclosed are emulsions and microcapsules that comprise one or more substances with a low interfacial tension. Methods of making the emulsions and microcapsules as well as methods of using them are also disclosed.

Claims (69)

1 . An emulsion, comprising a first polymer component and a loading substance, wherein the loading substance comprises microbial oil and has an interfacial tension of less than about 5 dynes/cm and wherein the emulsion has a pH of greater than about 6.0 or less than about 5.0.

2 . The emulsion according to claim 1 , further comprising an antioxidant.

3 . (canceled)

4 . The emulsion according to claim 2 , wherein the antioxidant comprises ascorbic acid or a salt thereof.

5 . The emulsion according to claim 1 , further comprising sodium hydroxide, phosphoric acid, or a mixture thereof.

6 . The emulsion according to claim 1 , wherein the pH is from about 3.5 to about 4.9.

7 . The emulsion according to claim 1 , wherein the pH is from about 9.0 to about 11.0.

8 . The emulsion according to claim 1 , wherein the first polymer component comprises a surfactant, gelatin, polyphosphate, polysaccharide, or a mixture thereof.

9 . The emulsion according to claim 1 , wherein the first polymer component comprises gelatin type A, gelatin type B, fish gelatin, polyphosphate, gum arabic, alginate, chitosan, carrageenan, pectin, low methoxyl pectin, starch, modified starch, alpha-lactalbumin, beta-lactoglobumin, ovalbumin, polysorbiton, maltodextrin, cyclodextrin, cellulose, methyl cellulose, ethyl cellulose, hydropropylmethylcellulose, carboxymethylcellulose, milk protein, whey protein, soy protein, canola protein, albumin, xanthan, gellan gum, agar, kosher gelatin, non-kosher gelatin, Halal gelatin, non-Halal gelatin, or a mixture thereof

10 . (canceled)

11 . (canceled)

12 . (canceled)

13 . The emulsion according to claim 1 , wherein the first polymer component has a Bloom number of from about 0 to about 50.

14 . The emulsion according to claim 1 , wherein the first polymer component has a Bloom number of from about 51 to about 300.

15 . The emulsion according to claim 1 , wherein the first polymer component has a Bloom number of about 0, about 210, about 220, or about 240.

16 . The emulsion according to claim 1 , wherein the loading substance has an interfacial tension of less than about 2 dynes/cm.

17 . (canceled)

18 . The emulsion according to claim 1 , wherein the loading substance has an interfacial tension of less than about 0.5 dynes/cm.

19 . The emulsion according to claim 1 , wherein the loading substance comprises an algal oil.

20 . (canceled)

21 . (canceled)

22 . (canceled)

23 . The emulsion according to claim 1 , wherein the loading substance comprises oil from Thraustochytrium, Schizochytrium , or a mixture thereof.

24 . The emulsion according to claim 1 , wherein the loading substance comprises an omega-3 fatty acid, an alkyl ester of an omega-3 fatty acid, a triglyceride ester of an omega-3 fatty acid, a phytosterol ester of an omega-3 fatty acid, and/or a mixture thereof.

25 . The emulsion according to claim 1 , wherein the loading substance comprises docosahexaenoic acid and/or eicosapentaenoic acid, a C 1 -C 6 alkyl ester thereof, a triglyceride ester thereof, a phytosterol ester thereof, and/or a mixture thereof.

26 . The emulsion according to claim 1 , wherein the loading substance is from about 1% to about 50% by weight of the emulsion.

27 . The emulsion according to claim 1 , wherein the first polymer component is 240 Bloom fish gelatin, the loading substance is algal oil, and the pH is from about 9 to about 11.

28 . The emulsion according to claim 1 , wherein the first polymer component is 240 Bloom fish gelatin and the pH is from about 3.5 to about 4.9.

29 . The emulsion according to claim 1 , wherein the first polymer component is 0 Bloom fish gelatin and the pH is from about 9 to about 11.

30 . The emulsion according to claim 1 , wherein the first polymer component is 0 Bloom fish gelatin and the pH is from about 3.5 to about 4.9.

31 . (canceled)

32 . (canceled)

33 . (canceled)

34 . (canceled)

35 . A process for preparing an emulsion, comprising providing an aqueous mixture of a first polymer component and a loading substance, wherein the loading substance comprises a marine oil and has an interfacial tension of less than about 5 dynes/cm and wherein the mixture has a pH of greater than about 6.0 or less than about 5.0; and emulsifying the mixture.

36 . The process according to claim 35 , wherein an antioxidant is added to the aqueous mixture.

37 . (canceled)

38 . The process according to claim 35 , wherein the antioxidant comprises ascorbic acid or a salt thereof.

39 . The process according to claim 35 , wherein the pH of greater than about 6.0 is achieved by adding sodium hydroxide or wherein the pH of less than about 5.0 is achieved by adding phosphoric acid.

40 . The process according to claim 35 , wherein the pH is from about 3.5 to about 4.9.

41 . The process according to claim 35 , wherein the pH is from about 9.0 to about 11.0.

42 . (canceled)

43 . The process according to claim 35 , wherein emulsifying is performed at a temperature of from about 40° C. to about 50° C.

44 . (canceled)

45 . The process according to claim 35 , further comprising dehydrating the emulsion.

46 . The process according to claim 35 , wherein the first polymer component comprises a surfactant, gelatin, polyphosphate, polysaccharide, or a mixture thereof.

47 . The process according to claim 35 , wherein the first polymer component comprises gelatin type A, gelatin type B, fish gelatin, polyphosphate, gum arabic, alginate, chitosan, carrageenan, pectin, low methoxyl pectin, starch, modified starch, alpha-lactalbumin, beta-lactoglobumin, ovalbumin, polysorbiton, maltodextrin, cyclodextrin, cellulose, methyl cellulose, ethyl cellulose, hydropropylmethylcellulose, carboxymethylcellulose, milk protein, whey protein, soy protein, canola protein, albumin, xanthan, gellan gum, agar, kosher gelatin, non-kosher gelatin, Halal gelatin, non-Halal gelatin, or a mixture thereof.

48 . (canceled)

49 . (canceled)

50 . (canceled)

51 . The process according to claim 35 , wherein the first polymer component has a Bloom number of from about 0 to about 50.

52 . The process according to claim 35 , wherein the first polymer component has a Bloom number of from about 51 to about 300.

53 . The process according to claim 35 , wherein the first polymer component has a Bloom number of about 0, about 210, about 220, or about 240.

54 . The process according to claim 35 , wherein the loading substance has an interfacial tension of less than about 2 dynes/cm.

55 . (canceled)

56 . The process according to claim 35 , wherein the loading substance has an interfacial tension of less than about 0.5 dynes/cm.

57 . The process according to claim 35 , wherein the loading substance comprises algal oil.

58 . (canceled)

59 . (canceled)

60 . (canceled)

61 . The process according to claim 35 , wherein the loading substance comprises oil from Thraustochytrium, Schizochytrium , or a mixture thereof.

62 . The process according to claim 35 , wherein the loading substance comprises an omega-3 fatty acid, an alkyl ester of an omega-3 fatty acid, a triglyceride ester of an omega-3 fatty acid, a phytosterol ester of an omega-3 fatty acid, and/or a mixture thereof.

63 . The process according to claim 35 , wherein the loading substance comprises docosahexaenoic acid and/or eicosapentaenoic acid, a C 1 -C 6 alkyl ester thereof, a triglyceride ester thereof, a phytosterol ester thereof, and/or a mixture thereof.

64 . The process according to claim 35 , wherein the loading substance is provided in an amount of from about 1% to about 50% by weight of the aqueous mixture.

65 . The process according to claim 35 , wherein the first polymer component is 240 Bloom fish gelatin, and the pH is from about 9 to about 11.

66 . The process according to claim 35 , wherein the first polymer component is 240 Bloom fish gelatin, and the pH is from about 3.5 to about 4.9.

67 . The process according to claim 35 , wherein the first polymer component is 0 Bloom fish gelatin, and the pH is from about 9 to about 11.

68 . The process according to claim 35 , wherein the first polymer component is 0 Bloom fish gelatin, and the pH is from about 3.5 to about 4.9.

69 .- 168 . (canceled)

Assignments (2)
NUNC PRO TUNC ASSIGNMENT Recorded Sep 19, 2013
From: OCEAN NUTRITION CANADA LIMITED
To: DSM NUTRITIONAL PRODUCTS AG
Reel/Frame 031246/0134 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 8, 2009
From: BARROW, COLIN J.; JIN, YULAI; ZHANG, WEI
To: OCEAN NUTRITION CANADA LIMITED
Reel/Frame 022792/0964 →