US PATENT SUBCLASS 427 / 341
.~.~.~ Inorganic treating agent

Current as of: June, 1999
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427 /   HD   COATING PROCESSES

331  DF  WITH POST-TREATMENT OF COATING OR COATING MATERIAL {14}
337  DF  .~ Chemical agent applied to treat coating {4}
340  DF  .~.~ Resin, resin precursor, rubber, or hardenable oil containing coating {2}
341.~.~.~ Inorganic treating agent

DEFINITION

Classification: 427/341

(under subclass 340) Processes wherein the treating agent is based on inorganic material.

(1) Note. Attention is directed to the definition of Class 260, Chemistry of Carbon Compounds, for the distinction between the term "organic" and "inorganic".