Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2007-12-18
2007-12-18
Dentz, Bernard (Department: 1625)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
active
10415906
ABSTRACT:
Episulfide compounds useful as starting materials of optical materials are stably stored for a long period of time at a temperature ranging from their solidifying points to 20° C., preventing the production or precipitation of polymers and the yellowing.
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Amagai Akikazu
Horikoshi Hiroshi
Niimi Atsuki
Shimuta Masanori
Takeuchi Motoharu
Antonelli, Terry Stout & Kraus, LLP.
Dentz Bernard
Mitsubishi Gas Chemical Co. Inc.
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