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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 5639649 B1

PDFFull Text
Date of Patent:
Jun. 17, 1997

Filed:

Feb. 10, 1995

Attenuated viruses

Applicant:
Inventors:

Jeffrey William Almond, Reading, GB;

Philip David Minor, Herts, GB;

Michael Anthony Skinner, Cambridge, GB;

Colin Ruaraidh Young, College Station, TX (US);

Assignee:

Brtish Technology Group Limited, London, GB;

Attorney:

Nixon & Vanderhye

Primary Examiner:

Mindy Fleisher

Assistant Examiner:

Nancy J Degen

Int. Cl.
CPC ...
C12N / ; C12N / ; C12N / ; C12N / ;
U.S. Cl.
CPC ...
4352351 ; 424 936 ; 4351723 ; 435236 ;
Abstract

An attenuated enterovirus or rhinovirus, suitable for use as a vaccine, has a reversed base pairing in the part, or in a part corresponding to the part, of the 5' non-coding region of the genome of poliovirus type 3 Leon strain shown below: ##STR1## A suitable attenuated poliovirus has the bases G and C at positions 469 and 534 respectively for a type 1 or type 2 poliovirus or at positions 472 and 537 respectively for a type 3 poliovirus.

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Almond, Jeffrey. (1997). Attenuated viruses (U.S. Patent No. 5639649). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5639649

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