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Serving leading biopharmaceutical companies globally:

Farmers Insurance
US Department of Justice
Johnson and Johnson
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Fish and Richardson

Generated: November 22, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,252,341

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Summary for Patent: 5,252,341

Title: Tablets and granulates containing mesna as active substance
Abstract:A granulate containing mesna is made by granulating mesna in the presence of an alcohol, acetone or a mixture of one of these with water. The granulate may be converted to tablets, along with other agents. The tablets contain 0.01-1 parts by weight of a binding agent 0.03-0.4 parts by weight of a disintegrant 0.01-0.2 parts by weight of a lubricant and 0.1-1 parts by weight of a filling agent as well as, in the case of an effervescent tablet, an additional 0.05-30 parts by weight of a conventional physiologically acceptable effervescent mixture.
Inventor(s): Sauerbier; Dieter (Werter, DE), Engel; Jurgen (Alzenau, DE), Milsmann; Eckhard (Bielefeld, DE)
Assignee: Degussa Aktiengesellschaft (DE)
Application Number:07/930,783
Patent Claim Types:
see list of patent claims
Composition; Process; Formulation;

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Foreign Priority and PCT Information for Patent: 5,252,341

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Germany4022525Jul 16, 1990

International Patent Family for Patent: 5,252,341

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Ireland65373► Subscribe
Ireland912463► Subscribe
Hungary206630► Subscribe
Germany59101431► Subscribe
Denmark0468245► Subscribe
Egypt20019► Subscribe
European Patent Office0468245► Subscribe
Spain2063412► Subscribe
Finland913409► Subscribe
Finland97949► Subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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Serving leading biopharmaceutical companies globally:

Express Scripts
Queensland Health
Boehringer Ingelheim
Chinese Patent Office
Farmers Insurance

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