Agitating – Having specified feed means – Pump forces material through restriction
Patent
1996-09-30
2000-10-24
Lovering, Richard D.
Agitating
Having specified feed means
Pump forces material through restriction
3661624, 516 81, 516 6, 261 415, 422281, 422282, B01F 506, B01F 304, B01F 306
Patent
active
06135628&
ABSTRACT:
A method and apparatus for homogenizing and micronizing aerosol formulations. The method includes the steps of homogenizing and micronizing an aerosol formulation at ambient temperature in a closed apparatus where the entire apparatus is maintained under elevated pressure. The apparatus includes a closed loop containing a reaction vessel, a homogenizer and a fluid conduit interconnecting the reaction vessel and the homogenizer. The homogenizer includes an interaction chamber and an intensifier pump. The interaction chamber includes a stream splitter for separating a stream of aerosol formulation components into two streams and an impaction chamber for recombining the stream.
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European Search Report, May 30, 1997, The Hague, Examiner Dugdale, G., Application No. EP96116310.
DeStefano George A.
Jachowicz Jadwiga
Jager Paul D.
McNamara Daniel P.
Boehringer Ingelheim Pharmceuticals, Inc.
Lovering Richard D.
Metzmaier Daniel S.
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