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Details for Patent: 5,427,798
Summary for Patent: 5,427,798
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
Applicant | Tradename | Generic Name | Dosage | NDA | Approval Date | TE | Type | RLD | RS | Patent No. | Patent Expiration | Product | Substance | Delist Req. | Patented / Exclusive Use | Patent Submitted |
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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 | Patent Submitted |
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 Patents Family Members for US Patent 5,427,798
Country | Document Number | Estimated Expiration | Supplementary Protection Certificate | SPC Country | SPC Expiration |
---|---|---|---|---|---|
Austria | 161422 | ➤ Try a Free Trial | |||
Australia | 4725893 | ➤ Try a Free Trial | |||
Australia | 677595 | ➤ Try a Free Trial | |||
Canada | 2142320 | ➤ Try a Free Trial | |||
Country | Document Number | Estimated Expiration | Supplementary Protection Certificate | SPC Country | SPC Expiration |