COLORED CONTACT LENS BASED ON ACRYL COPOLYMER Russian patent published in 1997 - IPC

Abstract RU 2074409 C1

FIELD: ophthalmology. SUBSTANCE: COLORED contact lens based on acryl copolymer comprises polymer composition applied onto lens region corresponding to eye iris. Polymer composition comprises vinyl copolymer and dye staff. Polymer composition comprises, as vinyl copolymer, (meth)acrylate/ (meth)acrylic acid copolymer, or hydrolyzed methylvinyl ether/maleic anhydride copolymer. Composition additionally comprises diisocyanate compound. EFFECT: improved optical properties, better protection for eye iris. 2 cl, 4 tbl

Similar patents RU2074409C1

Title Year Author Number
PROCESS FOR MANUFACTURING COSMETIC CONTACT LENS 1986
  • Samuehl Loshek[Us]
RU2008712C1
STAINED POLYMERIC CONTACT LENS AND A METHOD OF ITS PREPARING 1990
  • Majkel Kvinn[Us]
RU2049097C1
ANTIADHESIVE INSERTION FOR APPLICATION WITH PRESSURE-SENSITIVE GLUE, METHOD OF MANUFACTURING THEREOF, LAMELLAR MATERIAL BASED ON SUCH INSERTION, AND METHOD OF MANUFACTURING LAMELLAR MATERIAL 1989
  • Adrian Dzhejms Khalm[Gb]
  • Ehrik Robert Ehtkinson[Gb]
  • Piter Luis Ehmerson[Gb]
  • Bert Rudol'F Potdzher[Nl]
  • Charl'Z Vesli N'Juing[Us]
  • Robert Stjuart Dordik[Us]
RU2074820C1
MULTILAYER COMPOSITION, FILM AND CORRESPONDING METHODS 2012
  • Shin Frenk J.
  • Vanmarke Ben
  • Mallya Prakash
  • Chako Sudzhitkh
  • Srivatsan Nagaradzhan
  • Skhut Jokhannes
  • Shnejder Robert V.
  • Rikmans Stiven
RU2628388C2
METHOD OF CONTROL OVER BACTERIAL-FUNGAL INFECTIONS 1993
  • Tejlor Ehvelin Dzhin[Us]
  • Kroford Mark Allan[Us]
RU2094988C1
TWO-COMPONENT PAINT COMPOSITION AND MULTILAYER COATING FORMATION METHOD USING SAME 2015
  • Tsunoda Takesi
RU2669610C2
AZETIDINIUM-CONTAINING COPOLYMERS AND THEIR USES 2013
  • Kholland Troj Vernon
  • Chan Frenk
  • Tsyu Yunsin
  • Prujtt Dzhon Dallas
  • Chian Chun-Yuan
  • Shankernarajanan Manivakkam J.
  • Skott Robert
  • Kapur Yash
RU2647728C2
CATALYTIC SYSTEM SUITABLE FOR PREPARING POLYURETHANE COATING, COMPOSITION FOR PREPARING POLYURETHANE COATING, PROCESS FOR PREPARING COATING 1987
  • Lorens Dammann[Us]
  • Gari M. Karlson[Us]
RU2024553C1
METHOD OF MAKING UV-ABSORBING OPHTHALMIC LENSES 2011
  • Sam'Juehl N'Juton T.
  • Pruitt Dzhon Dallas
  • Vu Datsin
  • Kuju Sel'Ma
RU2569365C2
LABEL FOR DETECTING WATER EFFECT 2009
  • Yun De Daj
RU2626149C2

RU 2 074 409 C1

Authors

Samuehl Loshek[Us]

Dates

1997-02-27Published

1992-08-20Filed