Flowable drug precursor products ready for pressing for tablets,

Details Flowable drug precursor products ready for pressing for tablets, Flowable drug precursor products ready for pressing for tablets,

1998-12-23

2000-09-12

Tate, Christopher

Drug, bio-affecting and body treating compositions

Antigen, epitope, or other immunospecific immunoeffector

Conjugate or complex

424451, 424464, 424489, A01N 6500

Patent

active

061174300

ABSTRACT:
The present invention relates to a process for making a flowable drug precursor product ready for pressing comprising humidifying dried plant drug material in a vacuum drying device together with the desired additives, carriers and/or excipients, which device comprises a multi-blade stirrer having its own drive and extending through a cylindrical mixing and drying chamber, said device optionally being provided with a filter, a back-purge means, a solvent condenser with an after-cooler and a collection vessel, a back-condenser and/or a process, control and regulation unit, and drying the humid mixture at a jacket temperature of the device of 20 to 50.degree. C., a product temperature between 20 and 45.degree. C. and a pressure of 20 to 500 mbar to obtain the precursor product, and also relates to said precursor products as such.

REFERENCES:
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patent: 4842859 (1989-06-01), Liu
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patent: 5277910 (1994-01-01), Hidvegi
patent: 5422346 (1995-06-01), Mitchell et al.
patent: 5939071 (1999-08-01), Joseph
Desopharmex Product Brochure--last modified Jul. 17, 1998, one page.
Darya-Varia--Annual Report, 1994.
Darya-Varia--Prospectus--Rights Issue, 1996.
Pilot-Vacuum Dryer, INOX Glatt AG.
Vacuum Dryers, INOX Glatt AG.

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