US PATENT SUBCLASS 424 / 489
.~ Particulate form (e.g., powders, granules, beads, microcapsules, and pellets)

Current as of: June, 1999
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424 /   HD   DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS

400  DF  PREPARATIONS CHARACTERIZED BY SPECIAL PHYSICAL FORM {12}
489.~ Particulate form (e.g., powders, granules, beads, microcapsules, and pellets) {5}
490  DF  .~.~> Coated (e.g., microcapsules) {5}
499  DF  .~.~> Contains proteins or derivative or polysaccharides or derivative
500  DF  .~.~> Contains natural gums and resins
501  DF  .~.~> Contains solid synthetic resin
502  DF  .~.~> Contains waxes, higher fatty acids, higher fatty alcohols

DEFINITION

Classification: 424/489

Particulate form (e.g., powders, granules, beads, microcapsules, and pellets):

(under subclass 400) Subject matter in which the special physical form is a coated or impregnated particle.

(1) Note. Particle is intended to encompass any form which is solid but of sufficiently small size to behave in a fluid manner.

(2) Note. This subclass includes any form denominated as powder, granule, bead, microcapsule or pellet.