Patent ID: 7334708

Claim:
A chemical delivery system for delivering an ultrapure chemical to a point of use, comprising: a chemical container apparatus comprising a sealed chemical container adapted for containing an ultrapure chemical; a recharge container apparatus comprising a recharge container adapted for containing the ultrapure chemical after receipt of the ultrapure chemical from the chemical container apparatus; a source of a high pressure inert gas; a pressurization gas apparatus adapted to receive the high pressure inert gas and deliver the high pressure inert gas to the chemical container apparatus and the recharge container apparatus; a first connection joint between and in fluid communication with the chemical container apparatus and the pressurization gas apparatus; a second connection joint between and in fluid communication with the chemical container apparatus and the recharge container apparatus; a third connection joint between and in fluid communication with the recharge container apparatus and pressurization gas apparatus; a source of a purge gas, wherein the purge gas is the same as or different from the high pressure inert gas; a purge gas apparatus adapted to receive the purge gas and deliver the purge gas to the chemical container apparatus; a fourth connection joint between and in fluid communication with the chemical container apparatus and the purge gas apparatus; a vacuum apparatus adapted to create a vacuum; a fifth connection joint between and in fluid communication between the vacuum apparatus and either the chemical container apparatus or the recharge container apparatus, a solvent supply apparatus adapted to receive the high pressure inert gas from the pressurization gas apparatus and thereby pressurize a solvent and being further adapted to supply the pressurized solvent to the chemical container apparatus; a sixth connection joint between and in fluid communication with the pressurization gas apparatus and the solvent supply apparatus; and a seventh connection joint between and in fluid communication with the solvent supply apparatus and the chemical container apparatus.