Back to results
US 11,999,824 B2Granted
Composition for optical material and optical material
AssigneeMitsubishi Gas Chemical Company, Inc.
InventorsYousuke Imagawa, Hiroshi Horikoshi
Life of this patent
Estimating the term…
Abstract
The present application provides a composition for an optical material containing a compound (a) and/or a compound (b) and a compound (c) which are described below. The proportion of the compound (a) and/or the compound (b) is 0.001-30.0% by mass. The compound (a) is a compound represented by formula (1). The compound (b) is a compound represented by formula (2). The compound (c) is an episulfide compound.
Claims6
A composition for optical materials, the composition comprising a compound (a) and/or a compound (b), the composition further comprising a compound (c), wherein:
- the compound (a) is a compound represented by formula (1):
- the compound (b) is a compound represented by formula (2):
- and
- the compound (c) is an episulfide compound.
1 more element
Dependencies are inferred from the claim text.