Plastic and nonmetallic article shaping or treating: processes – Encapsulating normally liquid material
Patent
1992-04-30
1993-10-19
Heitbrink, Jill L.
Plastic and nonmetallic article shaping or treating: processes
Encapsulating normally liquid material
425 5, B29C 3500
Patent
active
052542947
ABSTRACT:
In a dropping procedure for the formation of soft gelatin capsules in which, suitably, a pasty, fluid or sol/gel forming filling material is encapsulated with a soft gelatin mass, the solidification of the soft gelatin mass in a cooling bath of a chemically inert, exceedingly cold fluid which has no negative biological impact nor leaves harmful residue on the soft gelatin capsule. As cooling bath, there is most suitably utilized liquid nitrogen.
REFERENCES:
patent: 4166800 (1979-09-01), Fong
patent: 4426337 (1984-01-01), Suzuki et al.
patent: 4981625 (1991-01-01), Rhim et al.
Freidenreich Jurgen
Schick Ursula
Werry Jurgen
Wunderlich Jens-Christian
Alfatec Pharma GMBH
Behr Omri M.
Heitbrink Jill L.
McDonald Matthew J.
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