patent of chemical invention 化学发明专利
This product had obtained the country patent of invention.
该产品获国家发明专利。
This technology has reported the country patent of invention.
该技术已申报国家发明专利。
This patent of invention is one kind of comprehensive compound prescription composition.
本发明专利是一种综合性的复方组成。
The government gave a patent to Edward J.Claghorn of New York City so that others would not copy his invention.
VOA: special.2010.02.09
A patent forbids others from copying an invention and makes the invention valuable in the world of business.
VOA: special.2009.05.13
The question was whether a business method is enough of an invention to receive a patent.
VOA: special.2010.07.16
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