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:
Jan. 31, 2023
Filed:
Oct. 19, 2020
Applicant:
Bmg Pharma S.p.a., Milan, IT;
Inventors:
Luca Stucchi, Torviscosa, IT;
Fabrizio Picotti, Torviscosa, IT;
Alessandra Sechi, Torviscosa, IT;
Rita Gianni, Monrupino, IT;
Assignee:
BMG PHARMA S.P.A., Milan, IT;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08B 37/08 (2006.01); A61K 31/728 (2006.01);
U.S. Cl.
CPC ...
C08B 37/0072 (2013.01); A61K 31/728 (2013.01);
Abstract
The present invention relates to a process for the preparation of pharmaceutical, injectable or ophthalmic grade hyaluronic acid, or a salt thereof, for use in the dermocosmetic or pharmaceutical field or in medical devices, which comprises dissolution of hyaluronic acid or a salt thereof in organic solvent, a heat cycle, and recovery of the product by precipitation and successive washes in organic solvents.