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US 12,486,352 B2Granted
Composition, and optical material and lens using same
AssigneeMitsubishi Gas Chemical Company, Inc.
InventorsYousuke Imagawa, Kouhei Takemura, Ryosuke Sugihara, Mariko Sado
Life of this patent
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Abstract
A composition containing: a compound (a) represented by Formula (1): wherein Ar represents an aromatic ring, m represents an integer of 2 to 8, n represents an integer of 0 to 6, provided that m+n is equal to or less than a number of carbon atoms that constitute the aromatic ring, and R1 each independently represents an alkylthio group, an epoxyalkylthio group, a thiol group, a halogen group, a hydroxy group, a dialkylthiocarbamoyl group, or a dialkylcarbamoylthio group; and 1,2,3,5,6-pentathiepane (b).
Claims15
A composition comprising:
- a compound (a) represented by Formula (1):
- wherein
- Ar represents an aromatic ring,
- m represents an integer of 2 to 8,
- n represents an integer of 0 to 6,
- provided that m+n is equal to or less than a number of carbon atoms that constitute the aromatic ring, and
- R1 each independently represents an alkylthio group, an epoxyalkylthio group, a thiol group, a halogen group, a hydroxy group, a dialkylthiocarbamoyl group, or a dialkylcarbamoylthio group;
- and
- 1,2,3,5,6-pentathiepane (b).
6 more elements
Dependencies are inferred from the claim text.