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Last Updated: December 16, 2025

Claims for Patent: 10,617,766

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Summary for Patent: 10,617,766

Title:	Multivalent meningococcal polysaccharide-protein conjugate vaccine
Abstract:	The present invention describes a combined vaccine that offers broad protection against meningococcal disease caused by the pathogenic bacteria Neisseria meningitidis. The vaccine is comprised of four distinct polysaccharide-protein conjugates that are formulated as a single dose of vaccine. Purified capsular polysaccharides from Neisseria meningitidis serogroups A, C, W-135, and Y are chemically activated and selectively attached to a carrier protein by means of a covalent chemical bond, forming polysaccharide-protein conjugates capable of eliciting long-lasting immunity to a variety of N. meningitidis strains in children as well as adults.
Inventor(s):	Robert P. Ryall
Assignee:	Sanofi Pasteur Inc
Application Number:	US16/172,960

Details for Patent 10,617,766

Glossary

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Applicant	Tradename	Biologic Ingredient	Dosage Form	BLA	Approval Date	Patent No.	Expiredate
Sanofi Pasteur Inc.	MENACTRA	meningococcal (groups a, c, y and w-135) polysaccharide diphtheria toxoid conjugate vaccine	For Injection	125089	January 14, 2005	10,617,766	2038-10-29
>Applicant	>Tradename	>Biologic Ingredient	>Dosage Form	>BLA	>Approval Date	>Patent No.	>Expiredate

International Patent Family for US Patent 10,617,766

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Country	Patent Number	Estimated Expiration
South Africa	200306176	⤷ Get Started Free
Yugoslavia	66103	⤷ Get Started Free
World Intellectual Property Organization (WIPO)	02058737	⤷ Get Started Free
United States of America	9844601	⤷ Get Started Free
>Country	>Patent Number	>Estimated Expiration

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