Syntactic deformable foam compositions and methods for making
First Claim
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1. A method of preparing a deformable syntactic foam for the delivery of a compound or chemical, the method comprising:
- a) mixing together one or more homopolymer resins, one or more binders, and one or more stabilizers to form a blended mixture having a LOD of from about 1% to about 10%; and
b) mixing said blended mixture with one or more organic solvents under conditions of high shear at temperatures of from about 10°
C. to about 25°
C. until a foam composition is formed wherein said foam composition is deformable.
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Abstract
The invention relates to methods for preparing a syntactic foam composition suitable for use as a carrier for chemicals or other compounds, including pharmaceuticals. The invention further relates to compositions prepared in accordance with the methods of the present invention.
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Citations
62 Claims
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1. A method of preparing a deformable syntactic foam for the delivery of a compound or chemical, the method comprising:
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a) mixing together one or more homopolymer resins, one or more binders, and one or more stabilizers to form a blended mixture having a LOD of from about 1% to about 10%; and
b) mixing said blended mixture with one or more organic solvents under conditions of high shear at temperatures of from about 10°
C. to about 25°
C. until a foam composition is formed wherein said foam composition is deformable.- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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29. A method of manufacturing a pharmaceutical carrier, the method comprising the steps of:
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a) mixing together;
i) one or more pharmaceutically acceptable homopolymer resins;
ii) one or more pharmaceutically acceptable binders;
iii) pharmaceutically acceptable microspheres, and iv) one or more pharmaceutically acceptable stabilizers to form a blended mixture having an LOD of from about 1% to about 10%;
b) mixing said blended mixture with one or more pharmaceutically acceptable organic solvents under conditions of high shear at temperatures of from about 10°
C. to about 25°
C. until a foam composition is formed wherein said foam composition is deformable; and
c) reducing the size of the deformable syntactic foam to permit reassembly into a shaped composite. - View Dependent Claims (30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61)
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62. A method of preparing a deformable syntactic foam for the delivery of a compound or chemical, the method comprising:
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a) mixing together a carboxyvinyl polymer, a high molecular weight polysaccharide, silicic anhydride and a suitable microsphere to form a blended mixture having a LOD of from about 1% to about 10%; and
b) mixing the mixture of a) with an organic solvent under conditions of high shear at temperatures of from about 10°
C. to about 25°
C. until a foam composition is formed wherein said foam composition is deformable and has a LOD of about 8% to about 20%.
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Specification