Transdermal drug administering system
A drug delivery system and drug technology, applied in the field of medicine, can solve the problem of low absolute bioavailability, and achieve the effects of reducing the number of drugs, improving the transdermal rate, and promoting constant-speed release.
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment
[0048] 1) Prescription
[0049] Drug depot 1:
[0050] Propranolol hydrochloride 1-10%; hydroxypropyl methylcellulose 1-5%; polyvinyl alcohol 1-10%; propylene glycol 2-6%; oleic acid 1-2%; %; polyethylene glycol 1-3%; water for injection as a solvent.
[0051] The prescription of the drug depot of verapamil hydrochloride and chlorpromazine hydrochloride is the same as above, but the model drug in the above prescription is changed to verapamil hydrochloride or chlorpromazine hydrochloride.
[0052] Adsorption layer 3:
[0053] Material: 5g of color-changing silica gel and 1g of C2-10 type acrylic superabsorbent resin are mixed uniformly and used as the solvent adsorption material of the drug delivery system.
[0054] Isolation layer 2:
[0055] Material: non-woven fabric with good water and air permeability.
[0056] At 37° C., the adsorption rate and adsorption amount of the solvent in the drug reservoir were detected by the adsorption layer, and the adsorption isotherm w...
PUM
Property | Measurement | Unit |
---|---|---|
thickness | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com