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
2005-09-13
2005-09-13
Yoon, Tae H. (Department: 1714)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S331800, C525S332500, C523S212000, C524S094000, C524S397000, C524S492000
Reexamination Certificate
active
06943220
ABSTRACT:
This invention relates to a composition comprising (A) an ethylene-α-olefin having 3 to 20 carbon atoms-non-conjugated polyene copolymer, (B) a specific fine-powdered silicic acid and/or a silicate having a specific surface area of 5 to 500 m2/g (BET adsorption amount: ISO 5794/1, Annex D), (C) at least one kind of α,β-unsaturated carboxylic acid metal salts, (D) an organic peroxide, further optionally (E) one antioxidant selected from sulfur-containing antioxidants, phenolic antioxidants and amine antioxidants, and/or (F) sulfur, and this invention relates to a rubber product obtainable by crosslinking the above composition.
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Kawasaki Masaaki
Matsunaga Shin-ya
Nakahama Hidenari
Nonaka Shuichi
Birch & Stewart Kolasch & Birch, LLP
Mitsui Chemicals Inc.
Yoon Tae H.
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