Last Updated: May 11, 2026

Patent: 4,500,639

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Summary for Patent: 4,500,639

Title:	Culturing Bordetella in media containing etherified cyclodextrin
Abstract:	A method of culturing microbes which belong to the genus Bordetella characterized by adding cyclodextrin or its derivative to the culture medium used for cultivating microbes belonging to the genus Bordetella and a culture medium therefor.
Inventor(s):	Yoji Suzuki, Atsushi Imaizumi, Hisao Yamaguchi, Masaharu Kanesaki, Shoji Ono
Assignee:	Teijin Ltd
Application Number:	US06/427,039
Patent Claims:	see list of patent claims

Details for Patent 4,500,639

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Applicant	Tradename	Biologic Ingredient	Dosage Form	BLA	Approval Date	Patent No.	Expiredate
Sanofi Pasteur Limited	QUADRACEL	diphtheria and tetanus toxoids and acellular pertussis adsorbed and inactivated poliovirus vaccine	Injection	125525	March 24, 2015	4,500,639	2002-09-29
>Applicant	>Tradename	>Biologic Ingredient	>Dosage Form	>BLA	>Approval Date	>Patent No.	>Expiredate

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