One of these petroleum by-products is isoprene. This is used to make the synthetic rubber in car tyres.

还有个石油副产品是异戊二烯(译者注：橡胶基质)，用来生成汽车轮胎需要的合成橡胶。

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This is used to make the synthetic rubber in car tyres.

它常用以制造汽车轮胎的合成橡胶。

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The new synthetic rubber is being tested to see if it can be mixed with metal and other materials now used in making tires.

这种新的合成橡胶正在接受测试看是否能和金属以及目前制造轮胎的其它物质混合。

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Diehr, in which the Supreme Court upheld a patent for curing synthetic rubber that covered the process of checking temperatures and pressures and adjusting them according to a set of specified parameters.

FORBES: Mayo Clinic Case Asks If A Doctor's Method Can Be Patented