Last Updated: June 23, 2026

Claims for Patent: 6,979,663

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Summary for Patent: 6,979,663

Title:	Method and apparatus for the production of enrobed catalyst pastilles
Abstract:	The present development relates to a process for enrobing active catalytic materials with a protective coating to form pastilles, and to an apparatus for making the pastilles. The process comprises mixing an active catalyst powder with a hydrocarbon material in a low-shear jacketed blender at a temperature slightly above the congealing point of the hydrocarbon, and then making pastilles from the catalyst/hydrocarbon mixture while cooling the mixture to temperature below the congealing point of the hydrocarbon.
Inventor(s):	David C. Wolfe, Paul D. Schneider, Robert O'Brien, X. D. Hu, Jeff Braden, Patrick McLaughlin, Joe Stack
Assignee:	Clariant International Ltd
Application Number:	US10/324,561

Details for Patent 6,979,663

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Applicant	Tradename	Biologic Ingredient	Dosage Form	BLA	Approval Date	Patent No.	Expiredate
Wyeth Pharmaceuticals Llc	XYNTHA, XYNTHA SOLOFUSE	antihemophilic factor (recombinant), plasma/albumin free	For Injection	125264	February 21, 2008	⤷ Start Trial	2022-12-19
Wyeth Pharmaceuticals Llc	XYNTHA, XYNTHA SOLOFUSE	antihemophilic factor (recombinant), plasma/albumin free	For Injection	125264	August 06, 2010	⤷ Start Trial	2022-12-19
>Applicant	>Tradename	>Biologic Ingredient	>Dosage Form	>BLA	>Approval Date	>Patent No.	>Expiredate

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