US 12,428,213 B2
Substance dispensing system and method of making
Justin Bates, Clarklake, MI (US); Yuwei Liu, Ann Arbor, MI (US); and David W. Carnahan, Bremerton, WA (US)
Assigned to ADCO PROUCTS, LLC, Michigan Center, MI (US)
Filed by ADCO Products, LLC, Michigan Center, MI (US)
Filed on Apr. 26, 2024, as Appl. No. 18/647,197.
Application 18/647,197 is a continuation of application No. 18/047,881, filed on Oct. 19, 2022, granted, now 11,999,556.
Claims priority of provisional application 63/262,700, filed on Oct. 19, 2021.
Prior Publication US 2024/0270477 A1, Aug. 15, 2024
Int. Cl. B65D 83/141 (2025.01); B65D 83/44 (2006.01); B65D 83/682 (2025.01)
CPC B65D 83/141 (2025.01) [B65D 83/682 (2013.01); B65D 83/44 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A substance dispensing system comprising:
a first pressure vessel defining a first interior space;
a first substance positioned in the first interior space, the first substance being in a liquid phase;
a first portion of a first propellant positioned in the first interior space; and
a first portion of a second propellant positioned in the first interior space;
wherein the first propellant is at least one from the group consisting essentially of carbon dioxide, nitrous oxide, and combinations thereof,
wherein the second propellant is at least one from the group consisting essentially of nitrogen, argon, oxygen, helium, and combinations thereof, and
wherein a weight ratio of the second propellant to the first propellant in the first interior space is from 1:100 to 50:100.