Details for Patent: 4,657,900
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Summary for Patent: 4,657,900
Title: | Pharmaceutical article of manufacture comprising a bisulfite stabilized aqueous solution of 5-aminosalicylic acid and method |
Abstract: | An aqueous suspension of pure 5-aminosalicylic acid adapted for rectal administration is rendered storage stable against color formation by storing the suspension in a single dose polyethylene bottle adapted for rectal administration of the suspension, in a substantially oxygen-free atmosphere and in the presence dissolved therein of up to about 0.25% of bisulfite and protecting the suspension from exposure to atmospheric oxygen during storage by sealing the plastic bottle, in a substantially oxygen-free atmosphere, in a plastic pouch having a low oxygen transmission rate. |
Inventor(s): | Powell; David R. (Baudette, MN), Patel; Vithal K. (Baudette, MN) |
Assignee: | Rowell Laboratories (Baudette, MN) |
Application Number: | 06/717,062 |
Patent Claim Types: see list of patent claims | Formulation; Use; Composition; |
Drugs Protected by US Patent 4,657,900
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International Family Members for US Patent 4,657,900
Country | Patent Number | Estimated Expiration | Supplementary Protection Certificate | SPC Country | SPC Expiration |
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Germany | 3773657 | ⤷ Try a Trial | |||
European Patent Office | 0279093 | ⤷ Try a Trial | |||
Spain | 2026179 | ⤷ Try a Trial | |||
Israel | 81799 | ⤷ Try a Trial | |||
>Country | >Patent Number | >Estimated Expiration | >Supplementary Protection Certificate | >SPC Country | >SPC Expiration |