US PATENT SUBCLASS 516 / 139
.~.~ The agent contains material which is different from the primary components of both liquid phases of the emulsion colloid system (i.e., more than only diluting)

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


516 /   HD   COLLOID SYSTEMS AND WETTING AGENTS; SUBCOMBINATIONS THEREOF; PROCESSES OF

113  DF  COMPOSITIONS CONTAINING AN AGENT FOR BREAKING (RESOLVING) OR INHIBITING COLLOID SYSTEMS; PROCESSES OF BREAKING (RESOLVING) OR INHIBITING COLLOID SYSTEMS (E.G., GEL BREAKING OR INHIBITING, COAGULATING, FLOCCULATING); PROCESSES OF PREPARING THE COMPOSITIONS {3}
135  DF  .~ Continuous liquid phase colloid system and discontinuous liquid phase (e.g., breaking an emulsion) {4}
139.~.~ The agent contains material which is different from the primary components of both liquid phases of the emulsion colloid system (i.e., more than only diluting) {2}
140  DF  .~.~.~> The agent is liquid bath or liquid which acts to physically or chemically dissolve, bind, or destroy at least part of one liquid phase (except a colloid system making or stabilizing agent) (e.g., aqueous CaCl2 for chemically binding water)
141  DF  .~.~.~> Aqueous-petroleum, petroleum-aqueous, aqueous-hydrocarbon, or hydrocarbon-aqueous emulsion systems {2}

DEFINITION

Classification: 516/139

The agent contains material which is different from the primary components of both liquid phases of the emulsion colloid system (i.e., more than only diluting):

(under subclass 135) Subject matter in which the breaking (resolving) or inhibiting agent* contains an active material* which is different from the primary components of both liquid phases of the emulsion colloid system (i.e., more than only diluting).

(1) Note. The agent* may include material* which is the same as the primary components of either or both of the liquid phases of the emulsion, but it must further contain material* which is dissimilar and which is active to effect the breaking (resolving) or inhibiting (i.e., colloid system breaking or inhibiting agent*).

SEE OR SEARCH THIS CLASS, SUBCLASS:

135, for dilution performed only with a material* which is the same as the primary component of one of the two liquid phase in order to effect breaking (resolving) or inhibiting of a colloid system, and not combined with a step of vaporizing, heating, or cooling (as provided for subclasses 194+, below) and not combined with a step of centrifuging, mechanical shocking, or specified agitating (as provided for in subclass 197, below), there being no indented subclass providing for this subject matter.

136+, for subject matter in which the breaking (resolving) or inhibiting agent* contains a solid surface functioning material*, i.e., solid adsorbent, absorbent, or differential

adherence surface, such as, filter media, sharp edged particles.

194+, for subject matter related to breaking (resolving) or inhibiting of emulsions using vaporizing, heating, or cooling, and without using an added material* dissimilar from the primary component of both liquid phases.

197, for subject matter related to breaking (resolving) or inhibiting of emulsions using centrifuging, mechanical shocking, or specified agitating, and without using an added material* dissimilar from the primary component of both liquid phases. SEE OR SEARCH CLASS

210, Liquid Purification or Separation,

708, for processes in which an emulsion is treated by a chemical or physical agent to cause the discontinuous phase to coalesce, and cross-reference art collections 922+ for oil spill cleanup (e.g., cross-reference art collection 925 for using chemical agent).

520, Synthetic Resins or Natural Rubbers, appropriate subclasses for (1) synthetic resins, per se, or (2) resin containing compositions, the use or utility of which is not specifically provided for elsewhere. The subject matter of the Class 520 series is hierarchically superior to Class 516 for placement of ORs (original reference).

1, of Class 520 is the residual subclass for solid resin containing subject matter. See various subclasses in the 520 series of classes for aqueous or organic dispersions, latexes, or gels, of a polymer or natural or synthetic rubber, and methods of making or treating same.

524, Synthetic Resins or Natural Rubbers--Part of the Class 520 Series, cross-reference art collection 922 for flocculating, clarifying, or fining compositions.

528, Synthetic Resins or Natural Rubbers--Part of the Class 520 Series, cross-reference art collections 934+ for subject matter relating to recovery and physical processing of natural rubber latex (particularly cross-reference art collection 936 for coagulating).