Recombinant silk compositions and methods of making thereof
AssigneeBolt Threads, Inc.
InventorsLindsay Wray, Joshua Tyler Kittleson
Life of this patent
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Abstract
Disclosed herein are recombinant spider silk compositions formed from a stable powder as it hydrates, cleanses, defends, detoxifies, mattifies, and/or exfoliates the skin, among other uses.
Claims38
A method of making a silk-based composition, comprising:
- mixing a recombinant silk particle and a solvent, wherein the recombinant silk particle comprises an outer shell and a hollow core, thereby forming said silk-based composition.
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A method of making a silk-based solid or hydrogel, comprising:
- mixing a recombinant silk particle comprising a hollow core and a solvent, wherein the recombinant silk particle functions as a carrier for the solvent, thereby forming a silk-based composition;
- applying the silk-based composition to a surface;
- and
- drying the silk-based composition to form the silk-based solid or hydrogel.
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A composition comprising a recombinant silk particle comprising an outer shell and a hollow core within said outer shell.
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A recombinant silk cosmetic or skincare product comprising a semi-solid, wherein the semi-solid comprises dispersed non-aggregated recombinant silk protein and a solvent.
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A method of making a silk powder comprising recombinant silk particles, comprising:
- obtaining a purified silk protein solution;
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- forming a silk powder by spraying said solution with hot dry air until said silk protein solution is at or below 3% by weight moisture, wherein said silk powder comprises recombinant silk particles.
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Dependencies are inferred from the claim text.