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Last Updated: April 26, 2024

Claims for Patent: 3,940,483

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Summary for Patent: 3,940,483

Title:	Antibiotic compositions and method
Abstract:	Dry solid antibiotic compositions are provided comprising a solid acidic, basic or amphoteric antibiotic and a suitable solid basic or acidic additive, for reconstitution as injectables upon addition of water. A method is also provided for formulating injectable antibiotics.
Inventor(s):	Dursch; Friedrich (Hopewell, NJ)
Assignee:	E. R. Squibb & Sons, Inc. (Princeton, NJ)
Application Number:	05/190,325
Patent Claims:	1. A dry solid antibiotic composition suitable for reconstitution as an injectable upon addition of water which comprises cephradine and sodium carbonate, the sodium carbonate being present in an amount sufficient to assure complete dissolution of the cephradine in an amount of sterile water which provides a concentration of active cephradine of from about 50 to 500 milligrams per milliliter of water. 2. A composition in accordance with claim 1 wherein the sodium carbonate is present in an amount sufficient to assure complete dissolution of cephradine in an amount of sterile water which provides a concentration of active cephradine of from above 200 milligrams per milliliter of water to 500 milligrams per milliliter of water. 3. A method for formulating cephradine in injectable form which comprises blending cephradine with sodium carbonate to provide a stable dry mixture and adding sufficient sterile water thereto to provide a concentration of active cephradine of from about 50 to 500 milligrams per milliliter of water, wherein the sodium carbonate is added in an amount sufficient to assure complete dissolution of the cephradine. 4. A method in accordance with claim 3 wherein sufficient sterile water is added to the stable dry mixture to provide a concentration of active cephradine of from above 200 milligrams per milliliter of water to 500 milligrams per milliliter of water.

Details for Patent 3,940,483

Glossary

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Applicant	Tradename	Biologic Ingredient	Dosage Form	BLA	Approval Date	Patent No.	Expiredate
Merck Sharp & Dohme Corp.	ZOSTAVAX	zoster vaccine live	For Injection	125123	05/25/2006	⤷ Try a Trial	1993-02-24
>Applicant	>Tradename	>Biologic Ingredient	>Dosage Form	>BLA	>Approval Date	>Patent No.	>Expiredate

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