US PATENT SUBCLASS 530 / 225
.~.~.~ Alkali metal containing material (i.e., Li, Na, K, Rb or Cs)

Current as of: June, 1999
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530 /   HD   CHEMISTRY: NATURAL RESINS OR DERIVATIVES; PEPTIDES OR PROTEINS; LIGNINS OR REACTION PRODUCTS THEREOF

200  DF  NATURAL RESINS OR DERIVATIVES (E.G., WOOD OR PINE TAR; CATIVO RESIN DERIVATIVES, ETC.) {6}
210  DF  .~ Rosin or derivative used as starting material in process, or product thereof (e.g., using gum rosin, wood rosin, solid tall oil rosin, etc.) {10}
224  DF  .~.~ Metal containing material used to form salts of rosin acids, or product thereof {1}
225.~.~.~ Alkali metal containing material (i.e., Li, Na, K, Rb or Cs)

DEFINITION

Classification: 530/225

(under subclass 224) Processes wherein the metal is an alkali metal.

SEE OR SEARCH CLASS

252, Compositions,

367.1, for soap compositions containing alkali-metal salts of rosin acids.

510, Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions, appropriate subclasses, particularly

129, 141+, 343, 353+, 389, 437, 454, and 481+, for cleaning compositions which may comprise alkali-metal salts of rosin acids.