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. 10, 2011
Filed:
Aug. 04, 2003
Applicant:
Stefano Carlino, Monthey, CH;
Inventor:
Stefano Carlino, Monthey, CH;
Assignee:
Laboratoire Medidom S.A., Geneva, CH;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07H 5/04 (2006.01); C07H 5/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for preparing a sterile ready-to-use aqueous pharmaceutical formulation comprises a high molecular weight hyaluronic acid salt (HA) at a specified concentration, comprising the steps of: providing an aqueous formulation comprising high molecular weight HA at a concentration of less than the specified final concentration; passing said aqueous formulation through a filter having a pore sizeless than 0.45 pm; concentrating said aqueous formulation by applying a vacuum and boiling off water until said specified concentration is reached.