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. 04, 1986
Filed:
Feb. 26, 1985
Akio Hasegawa, Numazu, JP;
Shuhei Kondo, Fuji, JP;
Asahi Kasei Kogyo Kabushiki Kaisha, Osaka, JP;
Abstract
An aqueous solution of a tissue plasminogen activator dissolved therein at an increased concentration which comprises an aqueous medium and, dissolved therein, a high purity tissue plasminogen activator and at least one dissolution aid selected from the group consisting of lysine, ornithine and salts thereof, and a method for increasing a solubility of a high purity tissue plasminogen activator in an aqueous medium comprising adding said at least one dissolution aid to an aqueous solution of a high purity tissue plasminogen activator. The present aqueous solution contains a high purity tissue plasminogen activator dissolved therein at an increased concentration and the activity of the tissue plasminogen activator can be maintained during handling and storage of the aqueous solution. Therefore, not only can be easily and efficiently performed the treatment of a tissue plasminogen activator in each purification step but also can be stored safely, stably an aqueous tissue plasminogen activator solution as a final product.