US PATENT SUBCLASS 430 / 631
.~.~ Film or film coating improvement ingredient containing, e.g., wetting agent, coating aid, plasticizer, antistatic agent, etc.

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

Internet Version by PATENTEC © 1999      Terms of Use


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.~.~ Film or film coating improvement ingredient containing, e.g., wetting agent, coating aid, plasticizer, antistatic agent, etc. {7}
632  DF  .~.~.~> Rosin acid or derivative
633  DF  .~.~.~> Higher fatty acid or derivative
634  DF  .~.~.~> Polycarboxylic or polysulfoxy acid or derivative
635  DF  .~.~.~> Carboxylic acid or derivative
636  DF  .~.~.~> Sulfoxy compound or derivative
637  DF  .~.~.~> Polyglycidol, polyglycol, polyoxyalkylene oxide, or ether or ester thereof
638  DF  .~.~.~> Alkyl or cycloalkyl alcohol or ether or ester thereof

DEFINITION

Classification: 430/631

Film or film coating improvement ingredient containing, e.g., wetting agent, coating aid, plasticizer, antistatic agent, etc.:

(under subclass 564) Subject matter containing an ingredient which aids in the application of the composition to the surface of a support (e.g., to enhance uniformity of coating, or freedom from streaks, bubbles, or other defects), reduces the tendency of a coated product from cracking or decreases a tendency to generate a static charge.

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.