SOLID FORM AND METHOD FOR PREPARING THE SAME
First Claim
1. A solid form, consisting essentially of:
- a biodegradable copolymer; and
an amide-containing compound, wherein the biodegradable copolymer is semi-crystalline due to the dipole-dipole interaction between the biodegradable copolymer and the amide-containing compound
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Abstract
The disclosure provides a solid form and a method for preparing the same. The solid form consists essentially of a biodegradable copolymer and an amide-containing compound. The biodegradable copolymer is semi-crystalline due to the dipole-dipole interaction between the biodegradable copolymer and the urea. The method for preparing the above solid form includes: dissolving a biodegradable copolymer and an amide-containing compound in water at a first temperature, obtaining a solution; cooling the solution at a second temperature to form a solid mixture; and the solid mixture is subjected to a freeze-drying process at a third temperature.
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Citations
22 Claims
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1. A solid form, consisting essentially of:
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a biodegradable copolymer; and an amide-containing compound, wherein the biodegradable copolymer is semi-crystalline due to the dipole-dipole interaction between the biodegradable copolymer and the amide-containing compound - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for preparing a solid faint, comprising:
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dissolving a biodegradable copolymer and an amide-containing compound in water at a first temperature, obtaining a solution; cooling the solution at a second temperature to form a solid mixture; and the solid mixture is subjected to a freeze-drying process at a third temperature. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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Specification