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US 2007/0178811 A1Published application
Dry ice blasting with chemical additives
OwnerMeenakshi Sundaram, Pasi Ihatsuinventors
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Abstract
Dry ice blasting using dry ice pellets having additives, such as antimicrobial compounds, disinfectants, surfactants, and odorants. Additives are incorporated into solid carbon dioxide by any variety of processes. The additives are selected on the basis of cleaning or olfactory effects.
Claims35
A method treating a surface of a target item, comprising:
- a) providing pellets, the pellets comprising:
- i) solid carbon dioxide;
- and
- ii) one or more additives;
- b) providing a stream of pressurized gas;
- c) combining the pellets and the pressurized gas to accelerate the pellets;
- and
- d) exposing the surface of the target item to the accelerated pellets.
5 more elements
A method for treating a surface of a target item, comprising:
- a) providing solid carbon dioxide pellets, wherein the solid carbon dioxide pellets comprise one or more additives selected from at least one of antimicrobial compounds, disinfectants, detergents, surfactants, odorants, and combinations thereof;
- b) providing a stream of pressurized gas;
- c) combining the solid carbon dioxide pellets and the stream of pressurized gas to accelerate the solid carbon dioxide pellets;
- and
- d) exposing the surface of the target item to the accelerated solid carbon dioxide pellets.
2 more elements
Pellets for treating surfaces of dry ice blasting target items, comprising;
- a) dry ice;
- and
- b) one or more additives, wherein the one or additives are releasable onto the surfaces of the dry ice blasting target items, wherein the one or more additives are selected to effect at least one of a cleaning function, a sanitizing function, disinfecting function, anti-microbial function, and an olfactory response in a human being.
Dependencies are inferred from the claim text.