Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

High water-soluble povidone-iodine cream

A technology of povidone-iodine film preparation and povidone-iodine, which is applied to sexual diseases, synthetic active ingredients of polymeric materials, and medical preparations of non-active ingredients, etc. , application range limitation and other issues, to achieve the effect of rapid action, stable quality and large drug loading

Inactive Publication Date: 2003-11-12
李勤耕
View PDF0 Cites 11 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the film-forming material polyvinyl alcohol 17-88 used has poor water solubility, it needs to be dissolved in water at a higher temperature, such as 80°C-90°C water bath, so the prepared film has poor water solubility, and the water solubility requirements The high application environment cannot be applied, and the application range is limited
Therefore, although povidone-iodine has the characteristics of broad spectrum, low toxicity, high efficiency and safety, its application is limited due to the shortcomings of current products such as inconvenient use, poor stability or poor water solubility.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Embodiment 1: povidone iodine (PVP-I iodine content is 22.57%) 27g polyvinyl alcohol 05-88 (PVA) 61g glycerin 13g water 300ml

[0017] Add polyvinyl alcohol PVA05-88 and glycerin to an appropriate amount of water, stir and heat in a water bath to 85°C to dissolve, then add povidone-iodine (PVP-I), stir and heat at 85°C for 1 hour, completely dissolve and mix. Cool down to 50-60°C to exhaust the air bubbles. Lay the board while it is hot, make a film, and bake it at 90°C for 30 minutes to form the film. Cut into films containing 50mg of iodine each.

Embodiment 2

[0018] Embodiment 2: povidone iodine (PVP-I iodine content is 22.57%) 27g polyvinyl alcohol 04-88 (PVA) 61g glycerin 13g water 300ml

[0019] Add povidone iodine (PVP-I) into water, stir and heat at about 60°C to dissolve, add polyvinyl alcohol 04-88 (PVA), glycerin, stir and heat at 90°C for 1 hour, dissolve and mix well. Lower the temperature to 50°C-60°C and slowly stir to remove air bubbles, spread the board while it is hot, and bake at 90°C for 30 minutes to form a film, and cut into films containing 50 mg of iodine each.

Embodiment 3

[0020] Embodiment 3: povidone iodine (PVP-I iodine content is 22.57%) 27g polyvinyl alcohol 04-88 (PVA) 30g polyvinyl alcohol 05-88 (PVA) 30g glycerin 13g water 300ml

[0021] The preparation is the same as in Example 1, except that the polyvinyl alcohol 05-88 (PVA) is replaced by a mixture of polyvinyl alcohol 04-88 (PVA) and polyvinyl alcohol 05-88 (PVA).

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention is a kind of high water-solubility povidone iodine film agent, it is made from povidone iodine and high water-solubility filming material polyethylene alcohol, the weight ratio is 1:1-1:100, the polyethylene alcohol is selected from the first class polyethylene alcohol by which the film agent is made up, the film agent can be dissolved in half an hour at 37 deg.C, such as polyethylene alcohol 05-88, 04-88, and the compound of them at any rate. The manufacturing method is: the povidone iodine is added to the water and heated to 40-100 deg.C, after it is dissolved, the polyethylene alcohol and plasticizer are added and heated under 80-100 deg.C for an hour, they are dissolved evenly; they are cooled to 40-70% and are mixed to remove bubbles, then they are placed on the board, they are dried under 60-100 deg.C for 30-60 minutes, removes the film and slices them into pieces.

Description

technical field [0001] The invention belongs to the technical field of iodine-containing disinfectant and bactericide, and specifically relates to a povidone-iodine film agent for treating burns, skin ulcers and gynecological diseases, especially for preventing sexually transmitted diseases and contraception during sexual intercourse. technical background [0002] Povidone-iodine is a broad-spectrum, high-efficiency, low-toxicity, and safe disinfectant. It has a good killing effect on bacteria, fungi, viruses, protozoa, etc., and can be used to treat burns, skin ulcers, gynecological diseases, prevention and auxiliary treatment of sexually transmitted diseases. At present, the dosage forms of povidone-iodine include solution, suppository, ointment, and gel. However, the solution has poor stability, is easy to lose, and cannot maintain effective drug concentration for a long time; the two types of dosage forms of ointment and gel have small drug loading and are inconvenient ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): A61K9/70A61K31/80A61K47/32A61P15/02A61P17/02
Inventor 李勤耕田睿赵旭葵
Owner 李勤耕
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products