Title: Drug delivery device for preventing contact of undissolved drug with the stomach lining

Abstract: An ingestible drug delivery device is designed so that direct contact by undissolved drug with the stomach lining is avoided.

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Inventors: Harrigan, Roy M. (Manchester, VT, US)

Application Number: 665698
Filing Date: 1976-03-10
Publication_date: 1977-10-25
Assignee:
Primary Class(es): 604/890.1 424/422, 424/473
Other Classes:
US Patent Ref:

2539036	Jan, 1951	Schwab	128/260.
3415225	Oct, 1968	Collier	119/1.
3548785	Dec, 1970	Cooper	119/1.
3786813	Jan, 1974	Michaels	128/260.
3788322	Jan, 1974	Michaels	128/260.
3844285	Oct, 1974	Laby	128/260.
3901232	Aug, 1975	Michaels et al.	128/260.

Other Refs: 14,140 OF

, 1893	UK

Primary Examiner: Medbery, Aldrich F.
Assistant Examiner:
Attorney: Kettlestrings; Donald A.