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:
Aug. 02, 1994
Filed:
Nov. 12, 1993
Applicant:
Inventors:
Matthias Kittelmann, 7800 Freiburg, DE;
Oreste Ghisalba, 4153 Reinach, CH;
Teresa Klein, 5170 Julich, DE;
Udo Kragl, Takatsukasa-3-6-32 Nigawa, Greenheight 105, JP;
Christian Wandrey, 5170 Julich, DE;
Assignee:
Other;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C12P / ;
U.S. Cl.
CPC ...
435 84 ; 435 89 ; 435 90 ; 435 91 ; 435194 ;
Abstract
The invention relates to a process for the production of cytidine 5'-monophosphosialic acids which comprises reacting a sialic acid with cytidine 5'-triphosphate in the presence of a cell extract of a naturally occurring microorganism having cytidine 5'-monophospho-N-acetylneuraminic acid synthetase activity, the extract optionally having been subjected to one purification step.