×

High temperature high pressure capsule for processing materials in supercritical fluids

  • US 7,125,453 B2
  • Filed: 01/31/2002
  • Issued: 10/24/2006
  • Est. Priority Date: 01/31/2002
  • Status: Expired due to Term
First Claim
Patent Images

1. An apparatus, comprising:

  • a deformable capsule that comprises a closed end structure, a wall, and a sealable end structure, and which defines a chamber configured to receive a material and a solvent, whereinthe wall adjoins the closed end and extends therefrom, and the sealable end structure adjoins the wall opposite the closed end structure, andthe solvent is capable of becoming supercritical at a predetermined temperature to provide a predetermined pressure in the chamber, and the predetermined pressure is greater than about 5 kbar and is sufficient to deform the capsule, whereinthe sealable end structure is operable to seal the chamber such that the capsule is impermeable to supercritical solvent at the predetermined temperature and predetermined pressure; and

    a zero-stroke pressure device configured to receive the capsule and operable to counterbalance the predetermined pressure generated within the chamber by the supercritical solvent at the predetermined temperature.

View all claims
  • 24 Assignments
Timeline View
Assignment View
    ×
    ×