Longwei QIU

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Qingdao, CN

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Patents Grantslast 30 patents

Information Patent Grant
Acidizing solution for dissolution of clay mineral and preparation...
- Patent number 10,961,441
- Issue date Mar 30, 2021
- CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
- Xiyu Qu
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Automatic observation apparatus for detecting mineral samples
- Patent number 9,506,857
- Issue date Nov 29, 2016
- CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
- Ying Song
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR CREATING STATISTICS ON CONTENT OF ROCK DEBRIS IN CONGLOM...
- Publication number 20210270987
- Publication date Sep 2, 2021
- China University of Petroleum (East China)
- Xiyu QU
- G01 - MEASURING TESTING
Information Patent Application
ACIDIZING SOLUTION FOR DISSOLUTION OF CLAY MINERAL AND PREPARATION...
- Publication number 20210054261
- Publication date Feb 25, 2021
- China University of Petroleum
- Xiyu QU
- E21 - EARTH DRILLING MINING
Information Patent Application
AUTOMATIC OBSERVATION APPARATUS FOR DETECTING MINERAL SAMPLES
- Publication number 20160187255
- Publication date Jun 30, 2016
- CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
- Ying SONG
- G01 - MEASURING TESTING