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US 12,612,304 B2Granted
Method for making microneedles using a high viscosity composition
AssigneeInnoture IP Limited
InventorsRyan Bamsey, Ionut Cameliu Ichim
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Abstract
The present invention provides a novel method for manufacturing a microstructure via the use of a viscous polymer, particularly microstructures that may be found on medical devices, such as transdermal patches, for either cosmetic or medicinal purposes.
Claims14
A method for manufacturing a microstructure, the method comprising the step of:
- applying a microstructure composition to a perforated template comprising through-holes, wherein the microstructure composition passes through a through-hole and is deposited on a substrate;
- and
- repeating application of the microneedle composition one or more times, thereby forming a microstructure, characterised in that the microstructure composition has a viscosity of between 210,000 cps to 250,000 cps, and
- wherein the microstructure composition is self-adherent.
1 more element
Dependencies are inferred from the claim text.