Silver-Based Anti-Coronavirus Agent, European Patent EP1676582A1

Source:  https://patents.google.com/patent/EP1676582A1/en

Inventor:
Koji c/o Toagosei Co. Ltd. SUGIURA, Yasuharu c/o Toagosei Co. Ltd. ONO (Japan)

Here are some quotes from an anti coronavirus patent:

Anti-coronavirus agent

Abstract

An antiviral agent is provided which is effective in treating coronaviruses and can be formed into various products whose efficacy sustainability is promising. In particular, the present invention provides an antiviral agent which is effective in treating a coronavirus, comprising a silver ion carrier; a product capable of inactivating a coronavirus, comprising the same; and a method of inactivating a coronavirus. The silver ion carrier is at least one selected from a compound represented by the following formula (1), potassium titanate, potassium uranate, potassium vanadate, potassium niobate, sodium tangustate, magnesium molybdate, calcium pentaborate, aluminosilicate, aluminum phosphate, nickel hexacyanoferrate, sepiolite, montmorillonite, silica gel, zeolite, β-alumina, titanium oxide hydrate, hydroxyapatite and a glassy carrier. AgaAbM2c(PO4)d · nH2O (1)

Claim: An anti-coronaviral agent which comprises a silver ion carrier.

[...] [0004] On the other hand, silver-based inorganic anti-microbial agents have been known as anti-microbial agents that have sustained efficacy against bacteria. The silver-based inorganic anti-microbial agents are anti-microbial agents which comprise silver carried on an inorganic compound.

Patent was granted 2014-12-24

Read the full (technical) patent by clicking this link.