Patent · US Active

Photodynamic diagnosis, formulations usable as photosensitizers for this purpose, method for the production and use thereof

US9775900B2 · kind B2 · utility

0Cited by

2References

2Claims

0Family size

Assignee

SANOCHEMIA PHARMAZEUTIKA AG · AU

Inventors

Stefan Welzig · Wien, AT
Beate Kalz · Steinbrunn, AT
Jozsef Gungl · Ágfalva, HU
Klaus Gerdes · Düsseldorf, DE
Werner Frantsits · Wien, AT
Christina Abrahamsberg · Wien, AT

Key dates

Filing date	Mar 27, 2017
Grant date	Oct 3, 2017
Priority date	—
Expiry date	Mar 27, 2037

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C50/36
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

In the early detection of cancer, in particular bladder cancer, a photodynamic diagnosis uses, as a photosensitizer, a formulation that contains sodium hypericinate that is bonded to polyvinylpyrrolidone or complexed with polyvinylpyrrolidone.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.