The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 7803583 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 28, 2010

Filed:

May. 23, 2005
Applicant:

Angela Bardotti, Siena, IT;

Inventor:

Angela Bardotti, Siena, IT;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12N 9/42 (2006.01); C12P 19/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

The degree of polymerisation (DP) is an important parameter for analysis of saccharide antigens, particularly in glycoconjugates. The invention provides methods that can be used to measure DP for capsular saccharides, particularly for meningococcal saccharides e.g. from serogroups W135 and Y. A preferred method is based on reduction of terminal sialic acid residues on saccharides, with DP then being calculated by comparing the molar ratio of total sialic acid to reduced sialic acid.


Find Patent Forward Citations

Bardotti, Angela. (2010). Measuring degree of polymerisation for meningococcal capsular saccharides that contain sialic acid (U.S. Patent No. 7803583). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7803583

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