Last Updated: May 10, 2026

Claims for Patent: 5,595,892

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Summary for Patent: 5,595,892

Title:	Process for preparation of purified xanthan gum
Abstract:	The process includes heat-treating a xanthan gum fermented broth, and consecutively treating the broth first with alkaline protease and then with lysozyme or in reverse order, and thereafter recovering xanthan gum from the treated broth. A clear aqueous solution of xanthan gum may be obtained Without complex procedures.
Inventor(s):	Kanji Murofushi, Taira Homma, Shigehiro Nagura, Richard W. Armentrout
Assignee:	Shin Etsu Chemical Co Ltd , Shin Etsu Bio Inc
Application Number:	US08/345,076

Details for Patent 5,595,892

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Applicant	Tradename	Biologic Ingredient	Dosage Form	BLA	Approval Date	Patent No.	Expiredate
Eli Lilly And Company	XIGRIS	drotrecogin alfa	Injection	125029	November 21, 2001	⤷ Start Trial	2014-11-28
>Applicant	>Tradename	>Biologic Ingredient	>Dosage Form	>BLA	>Approval Date	>Patent No.	>Expiredate

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