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Dry powder composite for suction

A technology of composition and dry powder, which is applied in the direction of drug delivery, powder delivery, medical preparations of non-active ingredients, etc., and can solve problems such as reducing powder fluidity

Active Publication Date: 2010-12-01
CHIA TAI TIANQING PHARMA GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the addition of such a small particle size carrier will reduce the fluidity of the powder

Method used

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  • Dry powder composite for suction

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Embodiment 3

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Abstract

The invention provides a dry powder compound used for suction. The dry powder compound contains a micronized active matter, a micro-powder particle vector, a fine powder particle vector decorated by phospholipid, and a coarse powder particle vector; the dry powder compound is especially suitable for preparing a suction powder spray which is high in the activity of the active matter and only needsless active matter in a single dosage.

Description

dry powder composition for inhalation technical field The present invention relates to a dry powder composition for inhalation, which dry powder composition comprises: micronized active substance and micropowder particle carrier (i.e. particulate carrier), phospholipid modified fine powder particle carrier (phospholipid modified fine particle carrier) and coarse powder Granular carrier (that is, coarse particle carrier), the dry powder composition is especially suitable for the preparation of inhalation powder aerosols with high active substance activity and only a small amount of active substance required for a single dose. Background technique Inhalation powder aerosol refers to a dry powder composition for inhalation composed of micronized drugs and excipients (or none), in the form of capsules, vesicles or multi-dose reservoirs, using a special dry powder inhalation device, and the patient actively inhales the nebulized drug Preparations to the lungs. The physiologic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61K9/14A61K9/72A61K47/24
Inventor 董平谢华许易张喜全于飞
Owner CHIA TAI TIANQING PHARMA GRP CO LTD
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