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:
May. 23, 1995
Filed:
Nov. 16, 1993
Willem Roskam, deceased, late of Montgiscard, FR;
Bertrand Basuyaux, Courbevoie, FR;
Pascual Ferrara, Villefranche de Lauragais, FR;
Martine Laporte, Ramonville Saint-Agne, FR;
Thierry Maureaud, Auzielle, FR;
Natalio Vita, Toulouse, FR;
Alain Bayol, Tournefeuille, FR;
Genevieve Perry, Toulouse, FR;
Sanofi, Paris, FR;
Abstract
An interleukin-2 preparation suitable for pharmaceutical purposes, consisting essentially of disialilated glycosylated interleukin-2, monosialilated glycosylated interleukin-2, or a mixture thereof, and substantially free of organic solvents, is isolated from recombinant CHO cells transformed with a vector containing a DNA sequence coding for a natural precursor of human interleukin-2, and is purified by a multi-step process.