Details for Patent: 5,427,798

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Summary for Patent: 5,427,798

Scope and claims summary:

Title:	Controlled sustained release tablets containing bupropion
Abstract:	A controlled sustained release tablet having at least one year shelf life and containing bupropion hydrochloride, hydroxypropyl methylcellulose and cysteine hydrochloride or glycine hydrochloride with the tablet having a surface area to volume ratio to effectively control bupropion hydrochloride release in the body.
Inventor(s):	Ludwig; Jennie Sue G. (Greenville, NC), Bass, Jr.; William L. (Farmville, NC), Sutton, Jr.; Joel E. (Greenville, NC)
Assignee:	Burroughs Wellcome Co. (Research Triangle Park, NC)
Application Number:	08/105,447
Patent Claim Types: see list of patent claims	Compound; Dosage form;

Drugs Protected by US Patent 5,427,798

Glossary

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate
>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: 5,427,798

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
United Kingdom	9217295	Aug 14, 1992

International Family Members for US Patent 5,427,798

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
European Patent Office	0656775	⤷ Subscribe	CR 2000 00018	Denmark	⤷ Subscribe
European Patent Office	0656775	⤷ Subscribe	28/2000	Austria	⤷ Subscribe
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Australia	4725893	⤷ Subscribe
Australia	677595	⤷ Subscribe
Canada	2142320	⤷ Subscribe
Cyprus	2143	⤷ Subscribe
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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