Organic compounds -- part of the class 532-570 series – Organic compounds – Sulfur containing
Patent
1989-08-29
1992-02-11
Kight, III, John
Organic compounds -- part of the class 532-570 series
Organic compounds
Sulfur containing
568 39, 568 45, 568 50, 568 62, 528 76, 528374, 528376, 528378, C07C14800, C07C14930, C08G 1800, C08F 2804
Patent
active
050877585
ABSTRACT:
The present invention relates to a mercapto compound, a process for preparing the mercapto compound, a process for preparing a polythiourethane base resin containing the mercapto compound, and a process for preparing plastic lenses containing the resin.
REFERENCES:
patent: 3544543 (1970-12-01), Greco et al.
patent: 3954723 (1976-05-01), Oswald
patent: 4163832 (1979-08-01), Oswald
patent: 4267375 (1981-05-01), Maasbol et al.
patent: 4355185 (1982-10-01), Bergthaller et al.
Imai Masao
Kanemura Yoshinobu
Sasagawa Katsuyoshi
Suzuki Toshiyuki
Kight III John
Mitsui Toatsu Chemicals Inc.
Truong Duc
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