US PATENT SUBCLASS 424 / 491
.~.~.~ Containing proteins and derivatives

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  DF  .~ Particulate form (e.g., powders, granules, beads, microcapsules, and pellets) {5}
490  DF  .~.~ Coated (e.g., microcapsules) {5}
491.~.~.~ Containing proteins and derivatives {1}
492  DF  .~.~.~.~> Gelatin

DEFINITION

Classification: 424/491

Containing proteins and derivatives:

(under subclass 490) Subject matter in which the particle is coated with a protein or derivative thereof.

SEE OR SEARCH THIS CLASS, SUBCLASS:

418, for a protein coated biocidal particle.

456, for a gelatin capsule.

460, for a sustained or differential release capsule containing discrete particles coated with a protein.

477+, for a protein coated tablet.

478, for a protein coated tablet.

492, for gelatin coated particles. 499, for protein impregnated particles.