Patent ID: 11939451
Assignee: PRAXAIR TECHNOLOGY, INC.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C  Y | IPC C

Claim 3:
4. A system comprising at least one acetylene fluid supply package and an acetylene-utilizing process tool in fluid communication with the at least one acetylene fluid supply package, said at least one acetylene fluid supply package comprising
a pressure vessel;
a porous filler in the pressure vessel;
an improved solvent within the porous filler, said improved solvent solubilizing with acetylene absorbed within the improved solvent;
said improved solvent comprising all of the following attributes:
(i) a vapor pressure at 20 deg of approximately 9 torr or less;
(ii) a Hansen solubility factor (dH) greater than about 5 MPa0.5;
(iii) higher non-toxicity in comparison to dimethylformamide (DMF) and N-methylpyrrolidone (NMP); and
(iv) a chemical structure comprising O, N or F atoms, wherein at least one of said O, N or F atoms is not bonded to a hydrogen atom, and further wherein said chemical structure is characterized by an absence of phosphorus, boron, calcium and nickel;
wherein the at least one acetylene fluid supply package is configured to allow a discharge of the acetylene fluid under dispensing conditions; and
further wherein said acetylene-utilizing process tool is configured to receive the acetylene fluid from the at least one acetylene fluid supply package.