US PATENT SUBCLASS 424 / 529
.~ Blood

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}
529.~ Blood {5}
530  DF  .~.~> Plasma
531  DF  .~.~> Serum
532  DF  .~.~> Platelet
533  DF  .~.~> Erythrocyte
534  DF  .~.~> Leucocyte

DEFINITION

Classification: 424/529

Blood:

(under subclass 520) Subject matter in which the material is or is derived from blood.

(1) Note. Included in this subclass are extracts of fetal blood.

SEE OR SEARCH THIS CLASS, SUBCLASS:

85.1+, for a composition containing an antibody derived from blood.

SEE OR SEARCH CLASS

71, Chemistry: Fertilizers,

17, for a fertilizer composition which contains components derived from blood.

128, Surgery, for a method of blood transfusion. 210, Liquid Purification or Separation, appropriate subclass for a significant process of liquid purification or separation; e.g., dialysis and centrifugal extraction, etc.; and for apparatus used in a blood-component separation method.

426, Food or Edible Material: Processes, Compositions, and Products, appropriate subclasses for food compositions which contain blood or components thereof.

435, Chemistry: Molecular Biology and Microbiology,

4+, for a ferment compositionwhich is used in a blood clotting test; and subclass 2 for a process or composition for maintaining the viability of blood.

514, Drug, Bio-Affecting and Body Treating Compositions,

2, 21 and 802 for a fibrinogen containing composition.

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

380+, for blood proteins.