※ What’s “Substance Patent” ?
It’s a material patent for a new chemical substance.
This time WOX® has received Substance Patent in the U.S.A.
Clathrate hydrates are clathrate compounds in which the host molecule is water and the guest molecule is typically a gas or liquid.
※ What is so special about a United State “Substance Patent” ?
Because a Substance Patent in the U.S. A. covers the whole world.