Title: Controlled drug releasing preparations

Abstract: A drug delivery preparation with controlled release time and rate, comprising a therapeutic agent being encapsulated in or coated by a solvent membrane, as well as a process for the manufacture thereof, are disclosed.

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Inventors: Bloch, Rene (Savion, IL, US)
Kedem, Ora (Rehovoth, IL, US)
Lobel, Ester (Hulon, IL, US)

Application Number: 466018
Filing Date: 1974-05-01
Publication_date: 1976-06-22
Assignee: E. E. Eljim Ecology Ltd. (Rehovoth, IL)
Primary Class(es): 424/450 424/472
Other Classes:
US Patent Ref:

3318769	May, 1967	Folckemer et al.	424/78.
3325365	Jun, 1967	Hotko et al.	424/33.
3710795	Jan, 1973	Higuchi et al.	128/260.
3737521	Jun, 1973	Born	424/22.

Other Refs: 2,135,022

Jan, 1973	FR.

Primary Examiner: Rose, Shep K.
Assistant Examiner:
Attorney: Wallenstein, Spangenberg, Hattis & Strampel