Title: An S-alkyl thiocarbamate base lens
Application Number: 95109900 Application Date: 1995.08.08
Publication Number: 1125736 Publication Date: 1996.07.03
Approval Pub. Date: 1998.04.22 Granted Pub. Date: 1998.04.22
International Classifi-cation: C08G18/72;G02B1/04
Applicant(s) Name: Mitsui Toatsu Chemicals, Incorporated Address:
Inventor(s) Name: Teruyuki Nagata;Koju Okazaki;Nobuyuki Kajimoto
Attorney & Agent: WEI JINXI
Abstract:
    The present invention discloses that herein are a novel and highly refractive S-alkyl thiocarbamate base resin useful in preparing lenses and a process for producing the resin comprising reacting one or more polyisocyanate compounds and one or more mercapto compounds having at least one hydroxy group, a plastic lens made of the resin, and a process for making a plastic lens of high profile regularity from the resin by using internal mold releasing agents in the casting polymerization process.
Time: 9
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