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. 10, 2026
Filed:
May. 05, 2020
Applicant:
Laboratori Baldacci S.p.a., Pisa, IT;
Inventor:
Massimo Baldacci, Pisa, IT;
Assignee:
LABORATORI BALDACCI S.P.A., Pisa, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 30/86 (2006.01); C07C 229/60 (2006.01); G01N 30/36 (2006.01); G01N 30/88 (2006.01); G01N 33/15 (2006.01);
U.S. Cl.
CPC ...
G01N 30/8658 (2013.01); C07C 229/60 (2013.01); G01N 30/36 (2013.01); G01N 33/15 (2013.01); C07B 2200/09 (2013.01); G01N 2030/884 (2013.01);
Abstract
Provided are a mixture of positional isomers of aminaphtone, an aminaphtone product comprising the mixture and a new method of high-performance liquid chromatography (HPLC) useful for the characterization of aminaphtone. The method allows to identify in the positional isomers of which the aminaphtone in a product containing them and can be used to choose many aminaphtone mixtures suitable for pharmaceutical use.