Title:
HYDROUS CONTACT LENS
Document Type and Number:
Japanese Patent JPH06102471
Kind Code:
A
Abstract:
PURPOSE: To provide a hydrous contact lens excellent in dimensional stability and preservation stability in a preserving soln. for a contact lens.
CONSTITUTION: This hydrous contact lens is made of a saponified copolymer obtd. by saponifying a copolymer based on 1-30wt.% (meth)acrylate polymer having at least one polymerizable group on average in each molecule and obtd. by copolymerizing alkyl (meth)acrylate and a monomer having at least two polymerizable groups in one molecule as principal components, 1-10wt.% vinyl monomer selected among maleic esters and N-vinyllactams, 50-98wt.% fatty acid vinyl ester and 0.01-10wt.% crosslinkable monomer.
Inventors:
HISHIDA YASUTO
KADOTANI MASANORI
SUGIMOTO KEIJI
WATANABE TAKESHI
IWATA NORIKO
KADOTANI MASANORI
SUGIMOTO KEIJI
WATANABE TAKESHI
IWATA NORIKO
Application Number:
JP25256192A
Publication Date:
April 15, 1994
Filing Date:
September 22, 1992
Export Citation:
Assignee:
MENICON CO LTD
International Classes:
C08F8/12; C08F16/02; C08F20/02; C08F26/10; C08F216/06; C08F218/02; C08F218/04; C08F222/06; C08F226/10; G02B1/04; G02C7/04; (IPC1-7): G02C7/04; C08F8/12; C08F216/06; C08F218/04; C08F222/06; C08F226/10
Attorney, Agent or Firm:
Sota Asahina (1 person outside)