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Guide to STN Patent Databases – Basic Version - Paton - TU Ilmenau

Guide to STN Patent Databases – Basic Version - Paton - TU Ilmenau

Guide to STN Patent Databases – Basic Version - Paton - TU Ilmenau

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185 CN100347190 C/PNK<br />

186 CN100351387 C/PNK<br />

187 CN100352926 C/PNK<br />

188 CN100359002 C/PNK<br />

189 CN100368545 C/PNK<br />

190 CN100387714 C/PNK<br />

191 CN100443592 C/PNK<br />

...<br />

Search examples<br />

=> S L10 AND (EVONIK OR DEGUSSA)/PA<br />

2068 EVONIK/PA<br />

4922 DEGUSSA/PA<br />

L11 110 L10 AND (EVONIK OR DEGUSSA)/PA<br />

=> S L10 NOT L11<br />

L12 0 L10 NOT L11<br />

Now we have the correct patent assignee in all patent families.<br />

305

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