(under the class definition) Dyeing processes including the step of sampling, visually, audibly or chemically testing or inspecting, or otherwise physically or mechanically determining some variable condition of the process, dye composition, substrate, or product.
(1) Note. Included herein are processes for determining imperfections or for determining completeness of a reaction or manipulation as well as determinations of undesired variations which will activate correction mechanisms. Recitations of optimum or desired temperatures or pressures or proportions of ingredients are considered nominal only and are classified with the disclosed process on some other basics.
SEE OR SEARCH CLASS
73, Measuring and Testing, appropriate subclasses for testing, per se.
436, Chemistry: Analytical and Immunological Testing,
