Patent Assignment Abstract of Title
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Total Assignments:
1
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Patent #:
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Issue Dt:
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12/08/2015
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Application #:
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14031191
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Filing Dt:
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09/19/2013
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Publication #:
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Pub Dt:
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03/20/2014
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Inventor:
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Zhonghua WANG
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Title:
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PHOSPHONATE-CONTAINING POLYMER AND USE THEREOF AND PHOSPHONATE-CONTAINING POLYMER VISCOSITY REDUCER FOR DRILLING FLUID
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| NO. 22 CHAOYANGMEN NORTH STREET |
| CHAOYANG DISTRICT, CHINA |
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| NO. 462 ZHONGYUAN STREET, HUALONG |
| PUYANG CITY, HENAN PROVINCE, CHINA |
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| BUCHANAN INGERSOLL & ROONEY |
| P.O. BOX 1404 |
| ALEXANDRIA, VA 22313-1404 |
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