Study on Patents and Standards of Coal Direct Liquefaction Technology

In order to well conduct the patents and standards work of the coal direct liquefaction technology, the research and analysis was conducted on the applic ation numbers, applicants and application technology area distribution of coal direct liquefaction technology patents.A summarization and analysis was conducted on th e preparation and revise conditions of the national standards, industrial standards and company technical standards of coal direction liquefaction technology in China.T he paper proposed the research and development on the key technology and the periphery technology of coal direct liquefaction should be enhanced, the patents distri bution should be conducted, the technical standards system should be well established and the integration of the patents and technology standards should be promote d