[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Subra et al., 1999 - Google Patents

Powders elaboration in supercritical media: comparison with conventional routes

Subra et al., 1999

Document ID
15503517330006164606
Author
Subra P
Jestin P
Publication year
Publication venue
Powder Technology

External Links

Snippet

The use of supercritical fluids as media for the formation of powdered materials is a recent development. After a brief presentation of supercritical fluid properties and fundamentals of crystallization, this paper describes two routes to particle formation: the rapid expansion of …
Continue reading at www.sciencedirect.com (other versions)

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/16—Agglomerates; Granulates; Microbeadlets; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
    • A61K9/1682—Processes
    • A61K9/1694—Processes resulting in granules or microspheres of the matrix type containing more than 5% of excipient
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
    • B01J2/04—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a gaseous medium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/04—Solvent extraction of solutions which are liquid
    • B01D11/0403—Solvent extraction of solutions which are liquid with a supercritical fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/16—Evaporating by spraying
    • B01D1/18—Evaporating by spraying to obtain dry solids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids

Similar Documents

Publication Publication Date Title
Subra et al. Powders elaboration in supercritical media: comparison with conventional routes
Reverchon et al. Process parameters and morphology in amoxicillin micro and submicro particles generation by supercritical antisolvent precipitation
Palakodaty et al. Phase behavioral effects on particle formation processes using supercritical fluids
Thies et al. Size controlled production of biodegradable microparticles with supercritical gases
US5874029A (en) Methods for particle micronization and nanonization by recrystallization from organic solutions sprayed into a compressed antisolvent
Pasquali et al. Supercritical fluid technologies: an innovative approach for manipulating the solid-state of pharmaceuticals
York Strategies for particle design using supercritical fluid technologies
Shariati et al. Recent developments in particle design using supercritical fluids
US7208106B2 (en) Method of forming particles
Magnan et al. Soy lecithin micronization by precipitation with a compressed fluid antisolvent—influence of process parameters
He et al. Precipitation of ephedrine by SEDS process using a specially designed prefilming atomizer
Kröber et al. Materials processing with supercritical antisolvent precipitation: process parameters and morphology of tartaric acid
Warwick et al. Micronization of copper indomethacin using gas antisolvent processes
EP1401563B2 (en) Process for the production of micro and/or nano particles
US7279181B2 (en) Method for preparation of particles from solution-in-supercritical fluid or compressed gas emulsions
Cocero et al. Precipitation processes with supercritical fluids: patents review
Tan et al. Particle formation using supercritical fluids: pharmaceutical applications
Subra et al. Process performances and characteristics of powders produced using supercritical CO2 as solvent and antisolvent
Chen et al. Gas antisolvent precipitation of Ginkgo ginkgolides with supercritical CO2
Reverchon et al. Supercritical fluids-assisted micronization techniques. Low-impact routes for particle production
US20030031784A1 (en) Method for collecting and encapsulating fine particles
US20020179540A1 (en) Method and device for capturing fine particles by trapping in a solid mixture of carbon dioxide snow type
Charbit et al. Methods of particle production
Valle et al. Supercritical fluid technique for particle engineering: drug delivery applications
Chafidz et al. Formation of fine particles using supercritical fluid (SCF) process: Short review