Details for Patent: 5,422,123

Summary for Patent: 5,422,123

Title:	Tablets with controlled-rate release of active substances
Abstract:	Tablets with zero order controlled-rate of release of the active substances, consisting of a core of defined geometrical form containing the active substance, polymer substances which swell on contact with aqueous liquids and polymer substances with gelling properties, and a support applied to said core to partly cover its surface, the support consisting of polymer substances which are slowly soluble and/or slowly gellable in aqueous liquids, plasticizing substances, and possibly substances with an adjuvant function.
Inventor(s):	Conte; Ubaldo (Busto Arsizio, IT), La Manna; Aldo (Pavia, IT), Colombo; Paolo (Pavia, IT)
Assignee:	Jagotec AG (Hergiswil, CH)
Application Number:	08/123,982
Patent Claim Types: see list of patent claims	Composition; Process; Dosage form;

Drugs Protected by US Patent 5,422,123

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate

Foreign Priority and PCT Information for Patent: 5,422,123

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
Italy	22694/89	Dec 14, 1989

International Family Members for US Patent 5,422,123

Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Austria	135906
Canada	2031393
Germany	69026215
Denmark	0432607