Rubber-like articles and rubber-like material-containing articles
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jun 26, 2012
Grant Date -
May 24, 2007
app pub date -
Dec 1, 2004
filing date -
Dec 8, 2003
priority date (Note) -
Expired
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Abstract
Rubber-like or rubber-like-material-containing articles contain or are made from hydrogenated natural polyisoprenoids or modified products thereof. These rubber-like or rubber-like-material-containing articles include a rubber-like elastic article made from a hydrogenated natural polyisoprenoid or a modified product thereof. A polymer obtained by reacting a natural polyisoprenoid with hydrogen in a solvent in the presence of a hydrogenation catalyst, for example, can be used as the hydrogenated natural polyisoprenoid. The hydrogenated natural polyisoprenoid preferably has a degree of hydrogenation of 50% or more. The hydrogenated natural polyisoprenoid preferably has a weight-average molecular weight of 20×104 or more and a molecular-weight distribution of 2.0 or more.
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