Tulobuterol containing pressure-sensitive adhesive, transdermal paster, and its preparing method and use

A technology of hot-melt pressure-sensitive adhesive and transdermal penetration enhancer, which is applied in the direction of medical preparations containing active ingredients, pharmaceutical formulas, organic active ingredients, etc., and can solve the problems of low drug transdermal rate, environmental and personnel hazards, and process operations. Complicated problems, to achieve the effect of preventing asthma attack, fast coating speed and long storage time
CN1297257CActive Publication Date: 2007-01-31YABAO PHARMA GRP CO LTD
4 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
YABAO PHARMA GRP CO LTD
Publication Date
2007-01-31

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The present invention discloses a transcutaneous plaster containing tulobuterol, its preparation method and application. The pressure-sensitive adhesive used by said invention is a hot-melt pressure-sensitive adhesive whose melting point is 50-250 deg.C. the described hot-melt pressure-sensitive adhesive is an adhesive made up by using thermoplastic polymer as main raw material, and hs the hot-melting and pressure-sensitive double characteristics. Said product contains no organic solvent, and its coating speed is quick, and its cost is low.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention relates to a transdermal patch and a preparation method, in particular to tulobuterol transdermal patch and a preparation method. Background technique

[0002] Tulobuterol, also known as tobuterol and clobuterol, is a selective β2 receptor agonist, which has a strong and long-lasting expansion effect on bronchial smooth muscle, but a weaker stimulating effect on the heart. Clinical use shows that this product not only has obvious anti-asthma effects, but also has some anti-asthma and expectorant effects. Generally, it takes effect 5-10 minutes after oral administration, and the effect can last for 4-6 hours. It is mainly used for the prevention and treatment of bronchial asthma and asthmatic bronchitis. The dosage forms of tulobuterol hydrochloride mainly include tablets and cough syrup for children.

[0003] Chinese patents ZL96198929.7 and ZL98126197.3 both disclose two kinds of tulobuterol patches. Chinese patent ZL96198929.7 uses tu...

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