Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate
2007-05-02
2008-10-14
Teskin, Fred M (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S299000, C525S312000
Reexamination Certificate
active
07435782
ABSTRACT:
An ABA tri-block copolymer represented by the following formula (1)[in the formula (1), n and m are each independently an integer of 30 to 1,000]. The copolymer is a so-called ABA tri-block copolymer between 8-vinyloxytricyclo [5.2.1.02.6] decane and n-butyl vinyl ether, has rubber elasticity at normal temperature, and has a property of thermoplastic elastomer which has not been possessed by conventional vinyl ether copolymers.
Hashimoto Tamotsu
Namikoshi Takeshi
Urushisaki Michio
Maruzen Petrochemical Co. Ltd.
Stoltz Melvin I.
Teskin Fred M
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