US PATENT SUBCLASS 430 / 633
.~.~.~ Higher fatty acid or derivative

Current as of: June, 1999
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430 /   HD   RADIATION IMAGERY CHEMISTRY: PROCESS, COMPOSITION, OR PRODUCT THEREOF

495.1  DF  RADIATION SENSITIVE PRODUCT {7}
564  DF  .~ Silver compound sensitizer containing {18}
631  DF  .~.~ Film or film coating improvement ingredient containing, e.g., wetting agent, coating aid, plasticizer, antistatic agent, etc. {7}
633.~.~.~ Higher fatty acid or derivative

DEFINITION

Classification: 430/633

Higher fatty acid or derivative:

(under subclass 631) Subject matter containing a higher fatty acid or derivative thereof, e.g., a salt, ester, or amide of a higher fatty acid.

(1) Note. "Higher fatty acid" means a monocarboxylic acid containing an unbroken chain of at least 7 carbon atoms bonded to a carboxyl group. Where there are several unbroken chains of carbon atoms bonded to the carboxyl group, one of the chains must contain at least carbon atoms.

SEE OR SEARCH CLASS

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.