US PATENT SUBCLASS 34 / 302
.~ Congealing or thickening


Current as of: June, 1999
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34 /   HD   DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS

282  DF  PROCESS {24}
302.~ Congealing or thickening {3}
303  DF  .~.~> By adding congealing or thickening agent
304  DF  .~.~> By cooling of treated material
305  DF  .~.~> By evaporating moisturizing fluid


DEFINITION

Classification: 34/302

Congealing or thickening:

(under subclass 282) Process of treating a flowable material wherein the material is jelled or stiffened in any way.

SEE OR SEARCH CLASS

425, Plastic Article or Earthenware Shaping or Treating: Apparatus,

6+, for apparatus to make particulate material (e.g., shot) directly from liquid or molten material.

516, Colloid Systems and Wetting Agents; Subcombinations Thereof; Processes of Making, Stabilizing, Breaking, or Inhibiting,

98+, for colloid systems of continuous or semicontinuous solid phase with discontinuous liquid phase (gels, pastes, flocs, coagulates) or agents for such systems or making or stabilizing such systems or agents, when generically claimed or when there is no hierarchically superior provision in the USPC for the specifically claimed art.