4. Drug, bio-affecting and body treating compositions
  5. Preparations characterized by special physical form
  6. Matrices

Haifei Zhang

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Porous beads and method of production thereof

Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter
Reexamination Certificate

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Porous bodies and method of production thereof

Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Matrices
Reexamination Certificate

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Porous polymeric materials and method of production thereof

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2206817

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