US PATENT SUBCLASS 507 / 905
NONTOXIC COMPOSITION


Current as of: June, 1999
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507 /   HD   EARTH BORING, WELL TREATING, AND OIL FIELD CHEMISTRY

905NONTOXIC COMPOSITION


DEFINITION

Classification: 507/905

NONTOXIC COMPOSITION:

Subject matter wherein the composition is intentionally nontoxic.

(1) Note. Intended for this collection is subject matter wherein there is a disclosure of a relative lack of toxicity of the whole composition to any living organism in comparison with art accepted alternatives.