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Serving leading biopharmaceutical companies globally:

Argus Health
US Army
Boehringer Ingelheim

Generated: November 20, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,008,294

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Summary for Patent: 5,008,294

Title: Methods of treating tumors with compositions of catecholic butanes
Abstract:The invention relates to methods useful in the treatment of benign, premalignant and malignant solid tumors, especially those of the skin comprising methods for the administration of pharmacologically active compositions containing catecholic butanes. The invention also relates to methods of preventing the occurence of tumors, and the use of catecholic butanes as a sunscreening agent. The preferred catecholic butane is nordihydroguaiaretic acid. The preferred methods of application of the compositions containing catecholic butanes are by topical application and intratumor injection.
Inventor(s): Neiss; Edward S. (Denver, CO), Allen; Larry M. (Golden, CO)
Assignee: Chemex Pharmaceuticals, Inc. (Denver, CO)
Application Number:07/057,481
Patent Claim Types:
see list of patent claims
Use; Composition; Dosage form;

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International Patent Family for Patent: 5,008,294

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria70449► Subscribe
Australia1736088► Subscribe
Australia2099092► Subscribe
Australia616641► Subscribe
Australia8172487► Subscribe
Canada1334170► Subscribe
Germany3775387► Subscribe
European Patent Office0288534► Subscribe
European Patent Office0297733► Subscribe
Spain2020011► 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:

Fish and Richardson
Queensland Health
Daiichi Sankyo
Argus Health
Johnson and Johnson

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