Compositions of matter for use in earth boring, well treating, or preventing contaminant deposits in petroleum oil conduits having or not having structure, physical form, or heterogeneous arrangement of components.
Processes of making, or processes peculiar to making such compositions and for which there is no provision elsewhere.
Mere methods of use of said compositions or of a compound in earth boring, well treating, or in preventing contaminant deposits in petroleum oil conduits.
(1) Note. In this class, each composition and the processes that are peculiar to making the same are classified based on the whole composition and its complete or primary function or quality, and such processes are classified with the corresponding composition.
II
Class 507 is to be considered an integral part of Class 252 (after subclass 611) and follows the schedule hierarchy, retaining all pertinent definitions and class lines of Class 252.
The rules for determining Class placement of the Original Reference (OR) for claimed chemical compositions are set forth in the Class Definition of Class 252 in the section LINES WITH OTHER CLASSES AND WITHIN THIS CLASS, subsection COMPOSITION CLASS SUPERIORITY, which includes a hierarchical ORDER OF SUPERIORITY FOR COMPOSITION CLASSES.
REFERENCES TO OTHER CLASSES
SEE OR SEARCH CLASS
106, Compositions: Coating or Plastic, for compositions thereof or materials or ingredients used in the making of coating or plastic compositions which are not elsewhere classified (e.g., cement, etc.).
127, Sugar, Starch and Carbohydrates, for processes for refining and manufacturing sugar, starch, and other carbohydrates.
134, Cleaning and Liquid Contact With Solids, for washing or cleaning processes which include the use of detergents for contacting liquids with solids.
137, Fluid Handling, for miscellaneous processes of handling materials in flow lines.
166, Wells, for processes of treating or operating a well.
175, Boring or Penetrating the Earth, for processes of drilling wells. See Notes under the definition for Class 507,
100,.
184, Lubrication, for lubricating processes.
208, Mineral Oils: Processes and Products. 210, Liquid Purification or Separation, for conditioning well fluids above ground.
260, Chemistry of Carbon Compounds.
366, Agitating, for processes of mixing materials by agitation. Manipulative mixing processes for compounding a composition from a plurality of ingredients are properly classified in Class 366 only if the ingredients are not sufficiently identified to form a basis for classification in Class 507 or other appropriate composition classes.
405, Hydraulic and Earth Engineering,
258+, for a method of earth treatment or control.
420, Alloys or Metallic Compositions.
422, Process Disinfecting, Deodorizing, Preserving or Sterilizing, and Chemical Apparatus, for processes of corrosion inhibition nonspecific to earth boring.
423, Chemistry of Inorganic Compounds, for compounds and
nonmetallic elements, including processes for their manufacture.
427, Coating Processes, for coating processes, in general.
428, Stock Material or Miscellaneous Articles.
435, Chemistry: Molecular Biology and Microbiology, for processes of making chemical compounds which include fermentation or ferments or other compositions for use in such processes or processes of making them, also for compositions comprising enzymes or microorganisms which are not specific to earth boring. 516, Colloid Systems and Wetting Agents; Subcombinations Thereof; Processes of Making, Stabilizing, Breaking, or Inhibiting, appropriate subclasses for subject matter relating to: colloid systems (such as sols*, emulsions, dispersions, foams, aerosols, smokes, gels, or pastes) or wetting agents (such as leveling, penetrating, or spreading); subcombination compositions of colloid systems containing at least an agent specialized and designed for or peculiar to use in making or stabilizing colloid systems; compositions and subcombination compositions specialized and designed for or peculiar to use in breaking (resolving) or inhibiting colloid systems; processes of making the compositions or systems of the class; processes of breaking (resolving) or inhibiting colloid systems; in each instance, when generically claimed or when there is no hierarchically superior provision in the USPC for the specifically claimed art, i.e., having no specific claim to earth boring.
520, Synthetic Resins or Natural Rubbers, for resins and rubbers, per se, and for resin containing compositions, the use or utility of which is not specifically provided for elsewhere.