US Patent 7304116 Braided comb-shaped salt-resistant polymer thickening agent

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Is a

Patent

Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

73041160

Patent Inventor Names

Huaijiang Zhu0

Shiyi Yuan0

Ying Zhang0

Yuzhang Liu0

Chunming Xiong0

Fengluan Bai0

Jianhui Luo0

Jingbo Yang0

...

Date of Patent

December 4, 2007

Patent Application Number

114470350

Date Filed

June 6, 2006

Patent Primary Examiner

‌

Helen L. Pezzuto

Patent abstract

A braided comb-shaped salt-resistant thickening agent for tertiary oil extraction from class I oil reservoir is disclosed.

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