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Application

19462099 · FAST-DISSOLVING POLYACRYLAMIDE FOR OFFSHORE OIL DISPLACEMENT AND PREPARATION METHOD THEREOF

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Filed 2026-01-28 · Granted The official file ↗ · Art unit 1766 · Examiner Aiqun Li Typical · CPC C09K 8/588 · HENAN ZHENGJIA GREEN ENERGY CO., LTD. · Cooper Legal Group LLC

Office actions
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first was Notice of allowance
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no appeal
To first action
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to disposition 5.9 mo
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