IP Library › Granted Patent US 5,059,673
Granted Patent Utility
US 5,059,673 · App. 07/592,372

Resin for urethane lenses, lenses comprising the resin, and a process for preparation of the resin and the lenses

Inventors: Yoshinobu Kanemura, Katsuyoshi Sasagawa, Masao Imai, Toshiyuki Suzuki
Patented Case View Patent ↗
Granted: Oct 22, 1991 Filed: Oct 3, 1990
Inventors
Yoshinobu Kanemura
Katsuyoshi Sasagawa
Masao Imai
Toshiyuki Suzuki
Assignee (at issue)
Mitsui Toatsu Chemicals, Incorporated

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Quick Facts
Patent No.
US 5,059,673
App. No.
07/592,372
Filed
1990-10-03
Granted
1991-10-22
Kind
A