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.:
Date of Patent:
Feb. 01, 2000
Filed:
Jul. 24, 1997
Rita Gerardy-Schahn, Hiddenhausen, DE;
Minoru Fukuda, San Diego, CA (US);
Jun Nakayama, San Diego, CA (US);
Matthias Eckhardt, Hanover, DE;
Boehringer Mannheim GmbH, , DE;
Abstract
A protein having polysialyl transferase activity, which a) is a product of a prokaryotic or eukaryotic expression of an exogenous DNA, b) is coded by the DNA sequence shown in SEQ ID No. 1, c) is coded by the DNA sequences which hybridize with the sequences SEQ ID No. 1 and/or SEQ ID No. 3, d) is coded by DNA sequences which if there was no degeneracy of the genetic code, would hybridize with the sequences defined in b) to c), and e) catalyzes the polycondensation of .alpha.-2,8-linked sialic acids, and its related nucleic acid molecules and fragments are useful for the production of therapeutic agents for tumor therapy.