US PATENT SUBCLASS 424 / 577
.~ Hemic or immune system (e.g., hematopoietic system, bone marrow cells, etc.)

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

520  DF  EXTRACT, BODY FLUID, OR CELLULAR MATERIAL OF UNDETERMINED CONSTITUTION DERIVED FROM ANIMAL IS ACTIVE INGREDIENT {21}
577.~ Hemic or immune system (e.g., hematopoietic system, bone marrow cells, etc.) {1}
578  DF  .~.~> Lymphoid tissue (e.g., adenoid, lymph node, etc.) {2}

DEFINITION

Classification: 424/577

Hemic or immune system (e.g., hematopoietic system, bone marrow cells, etc.):

(under subclass 520) Subject matter in which the material is or is derived from part of the hemic or immune system; e.g., hematopoietic system, bone marrow cells, etc.

(1) Note. Included in this and the indented subclasses are lymphoid tissue, lymph nodes, etc.

SEE OR SEARCH THIS CLASS, SUBCLASS:

85.1+, for medicinal composition containing lymphokines.

SEE OR SEARCH CLASS

530, Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof,

351, for lymphokines claimed as compounds regardless of medicinal disclosure.