(under subclass 427) Subject matter in which the special physical form is a coated or impregnated lens designed to cover the cornea of the eye.
SEE OR SEARCH CLASS
8, Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers,
507, for the process of dyeing a contact lens or product thereof.
351, Optics: Eye Examining, Vision Testing and Correcting, appropriate subclasses for methods of and instruments for fitting contact lenses and for structural features and adaptations for contact lenses, such as coloring a portion of the lens to adsorb part of the visible spectrum;
160+, for eye contact lens.
422, Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing, 1, 43 for generic processes of deodorizing, preserving, or sterilizing contact lenses or compositions thereof.
510, Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions,
112+, for compositions used for the mere cleaning of contact lenses.
514, Drug, Bio-Affecting and Body Treating Compositions, appropriate subclasses for (1) a contact lens composition which contains a nonbioactive polymer admixed with a medicament or (2) composition with or without a nonbioactive polymer used to sterilize a contact lens composition to reduce or eliminate any eye injury.
523, Synthetic Resins or Natural Rubbers,
106, for a composition containing an inactive solid synthetic polymer intended for manufacturing contact lenses.This subclass also provides for a contact lens composition containing its own preserving agent when it is clearly specified and restricted for that use.
604, Surgery,
290, for a method of applying a body treating or removing material or subclasses 294+ for a method of application to the eye or eye socket.
