Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1987-06-18
1989-09-19
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
526280, 526281, 526282, 264 11, 26433116, 26433118, 350 9634, 350417, 360135, C08F22012, B29D 1100
Patent
active
048682616
ABSTRACT:
An optical resin material comprising a polymer containing as an essential component at least one norbornyl acrylate or methacrylate or a derivative thereof is excellent in properties, particularly in moisture resistance and can be used for molding optical elements such as lenses, optical discs, etc.
REFERENCES:
patent: 3240767 (1966-03-01), Caldwell et al.
patent: 4591626 (1986-05-01), Kawai et al.
patent: 4689379 (1987-08-01), Chuang
Fujita Toshiyuki
Hosoi Yutaka
Kawai Hiromasa
Kobayashi Akihiro
Saito Takayuki
Hitachi Chemical Company Ltd.
Schofer Joseph L.
Teskin F. M.
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