Main > SUPERCRITICAL > Fluids > Carbon Dioxide. Uses > Pharma. > Drug Delivery. > Inhalation. > Devices. > Elastomer. > Patent. > Claims > Claims 1,8: Elastomer Purification: > a) 1st Solvent Extraction. Solvent: > NonSuperCritical State; b) Drain > 1st Solvent; c) Dry Elastomer & d) > 2nd Solvent Extraction to Remove > 1st Solvent Residue. Claim 2:

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1st Solvent Residue. Claim 2:'s subsections
2nd Solvent:

1st Solvent Residue. Claim 2:'s products
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