Method for manufacturing hydrogenated block copolymer

Details Method for manufacturing hydrogenated block copolymer Method for manufacturing hydrogenated block copolymer

2009-02-10

2011-11-15

Lipman, Bernard (Department: 1762)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S332900, C525S339000

Reexamination Certificate

active

08058356

ABSTRACT:
The present invention relates to a method for manufacturing a substantially hydrogenated vinyl aromatic/conjugated diene block copolymer, which has a hydrogenation level of greater than 90 percent. The resulting substantially hydrogenated vinyl aromatic/conjugated diene block copolymer has advantageous physical properties suitable for use in discs, optical films, light guide plates, etc.

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