US PATENT SUBCLASS 507 / 906
SOLID INORGANIC ADDITIVE IN DEFINED PHYSICAL FORM

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

906SOLID INORGANIC ADDITIVE IN DEFINED PHYSICAL FORM

DEFINITION

Classification: 507/906

SOLID INORGANIC ADDITIVE IN DEFINED PHYSICAL FORM:

Subject matter wherein the composition contains a solid inorganic additive in a defined physical form.

(1) Note. The degree of fineness, per se, (e.g., a size or diameter measurement) is insufficient to define physical form.

(2) Note. Said solid additive usually is in a defined form for functional purposes. Forms such as spheres, cones, disks, rods, etc., are included.