G - Physics – 02 – C
Patent
G - Physics
02
C
101/126
G02C 7/04 (2006.01) B29D 11/00 (2006.01) G02B 1/04 (2006.01) G02C 7/02 (2006.01)
Patent
CA 1091507
METHOD OF PRINTING SOFT CONTACT LENSES ABSTRACT OF THE DISCLOSURE A method is provided for distinctly and durably printing minute letters or symbols necessary to represent characteristics of a soft contact lens on a selected marginal area of surface of the soft contact lens which comprises stamping letters or/and symbols on the surface of a soft contact lens by the use of an aqueous solution or paste of a light sensitive coloring composition which is hardened by the application of ultraviolet rays and then applying ultraviolet ray to the stamped surface of the soft contact lens.
312884
Hiranuma Masahiro
Hirayama Norio
Tarumi Niro
Tsuchiya Makoto
Hoya Lens Corporation
Macrae & Co.
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