Anti-cancer therapy agent of arsenic hexoxide (As4O6) of a natural chemical substance and its pharmaceutical composition
US6589567B2 · kind B2 · utility
3Cited by
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Key dates
| Filing date | Sep 14, 2001 |
| Grant date | Jul 8, 2003 |
| Priority date | — |
| Expiry date | Sep 14, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P35/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This invention is about the identification of the HD-2, a natural chemical substance that was separated and purified from a natural product, Sinsuk, as arsenic hexoxide (As4O6) and about its therapeutic efficacy as an anti-cancer drug and pharmaceutical composition.Arsenic hexoxide (As4O6), a natural chemical substance obtained from Sinsuk after eliminating the toxic property, has a potent anti-cancer efficacy by its direct cytotoxicity on tumor cells and suppresses the formation of new blood vessels of tumor masses, which results in complete cure of malignant cancers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.