Plastic and nonmetallic article shaping or treating: processes – Spheroidizing or rounding of solid particles
Patent
1987-07-26
1990-07-10
Silbaugh, Jan H.
Plastic and nonmetallic article shaping or treating: processes
Spheroidizing or rounding of solid particles
264141, 424501, 514356, B29B 912
Patent
active
049405560
ABSTRACT:
A long acting sustained release pharmaceutical composition for dihydropyridine calcium channel blockers wherein the calcium channel blocker and a pH-dependent binde are intimately admixed in essentially spherically shaped non-rugose particles of up to 1.2 mm in diameter.
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Dey Michael J.
MacFarlane Calum B.
Selkirk Alastair B.
Fertig Mary Lynn
Johnson Lester E.
Krubiner Alan M.
Moran Tom M.
Silbaugh Jan H.
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