Aiqun Li

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Array ( [id] => 19955418 [patent_doc_number] => 12325826 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-10 [patent_title] => High-flow-conductivity proppant and preparation method thereof [patent_app_type] => utility [patent_app_number] => 19/009926 [patent_app_country] => US [patent_app_date] => 2025-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 0 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19009926 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 20241130 [patent_doc_number] => 12421439 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Dual-purpose sacrificial anti-swelling agent, preparation method and application thereof [patent_app_type] => utility [patent_app_number] => 19/004499 [patent_app_country] => US [patent_app_date] => 2024-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 0 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19004499 [rel_patent_id] =>[rel_patent_doc_number] =>)

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