INK COMPOSITION FOR COSMETIC CONTACT LENSES

• Main Authors: PATTON, Jaqunda, ZHANG, Yong, GUZMAN, Alexander
• Format: Patent
• Language: English; French
• Published: 26.09.2019
• Subjects: ADHESIVES; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; CORRECTING FLUIDS; DYES; FILLING PASTES; INKS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; PERFORMING OPERATIONS; PHYSICS; POLISHES; PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE; TRANSPORTING; USE OF MATERIALS THEREFOR; WOODSTAINS; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Provided are ink compositions for making cosmetic contact lenses, as well as cosmetic contact lenses and methods for their preparation and use. The ink composition comprises: (a) a colorant; (b) a hydrophilic polymer; and (c) a binder polymer comprising a triblock polymer of formula: [A]-[B]-[C], wherein [A], [B] and [C] are as described herein. L'invention concerne des compositions d'encre pour la fabrication de lentilles de contact cosmétiques, ainsi que des lentilles de contact cosmétiques et des procédés pour leur préparation et leur utilisation. La composition d'encre comprend : (a) un colorant; (b) un polymère hydrophile; et (c) un polymère liant comprenant un polymère tribloc de formule : [A]-[B]-[C], [A], [B] et [C] étant tels que décrits ici.