Search

Yun Qian

Examiner (ID: 6272, Phone: (571)270-5834 , Office: P/1732 )

Most Active Art Unit
1732
Art Unit(s)
1732, 4162, 1738, 1793
Total Applications
1390
Issued Applications
756
Pending Applications
159
Abandoned Applications
535

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20364462 [patent_doc_number] => 20250354274 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-20 [patent_title] => ALKALI HYDROXIDE PRODUCTION FROM ALKALI SULFATE WITH HALOGEN OR CARBOXYLIC ACID INTERMEDIATES [patent_app_type] => utility [patent_app_number] => 19/284273 [patent_app_country] => US [patent_app_date] => 2025-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 31991 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19284273 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/284273
ALKALI HYDROXIDE PRODUCTION FROM ALKALI SULFATE WITH HALOGEN OR CARBOXYLIC ACID INTERMEDIATES Jul 28, 2025 Pending
Array ( [id] => 20301494 [patent_doc_number] => 12447466 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-21 [patent_title] => Preparation method of Co@CM multi-channel ceramic catalytic membrane for hydrogenation of p-nitrophenol [patent_app_type] => utility [patent_app_number] => 19/215411 [patent_app_country] => US [patent_app_date] => 2025-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2460 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 543 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19215411 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/215411
Preparation method of Co@CM multi-channel ceramic catalytic membrane for hydrogenation of p-nitrophenol May 21, 2025 Issued
Array ( [id] => 20301494 [patent_doc_number] => 12447466 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-21 [patent_title] => Preparation method of Co@CM multi-channel ceramic catalytic membrane for hydrogenation of p-nitrophenol [patent_app_type] => utility [patent_app_number] => 19/215411 [patent_app_country] => US [patent_app_date] => 2025-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2460 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 543 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19215411 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/215411
Preparation method of Co@CM multi-channel ceramic catalytic membrane for hydrogenation of p-nitrophenol May 21, 2025 Issued
Array ( [id] => 20206582 [patent_doc_number] => 20250276302 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-04 [patent_title] => SMART CATALYST SUPPORT WITH IN-SITU TEMPERATURE FIELD MONITORING AND DYNAMIC REGULATION [patent_app_type] => utility [patent_app_number] => 19/209840 [patent_app_country] => US [patent_app_date] => 2025-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 406 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19209840 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/209840
SMART CATALYST SUPPORT WITH IN-SITU TEMPERATURE FIELD MONITORING AND DYNAMIC REGULATION May 15, 2025 Pending
Array ( [id] => 20121932 [patent_doc_number] => 20250236963 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-24 [patent_title] => ALKALI HYDROXIDE PRODUCTION FROM ALKALI SULFATE WITH HALOGEN OR CARBOXYLIC ACID INTERMEDIATES [patent_app_type] => utility [patent_app_number] => 19/035434 [patent_app_country] => US [patent_app_date] => 2025-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 36608 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19035434 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/035434
Alkali hydroxide production from alkali sulfate with halogen or carboxylic acid intermediates Jan 22, 2025 Issued
Array ( [id] => 20007266 [patent_doc_number] => 20250145488 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => SYNTHESIS OF NANOSIZED CUBIC LITHIUM LANTHANUM ZIRCONATE FAST ION CONDUCTOR [patent_app_type] => utility [patent_app_number] => 19/017102 [patent_app_country] => US [patent_app_date] => 2025-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3378 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19017102 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/017102
Synthesis of nanosized cubic lithium lanthanum zirconate fast ion conductor Jan 9, 2025 Issued
Array ( [id] => 20302426 [patent_doc_number] => 12448404 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-21 [patent_title] => Process for producing ruthenium complexes and intermediates thereof and their use in olefin metathesis [patent_app_type] => utility [patent_app_number] => 18/943268 [patent_app_country] => US [patent_app_date] => 2024-11-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 16515 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 305 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18943268 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/943268
Process for producing ruthenium complexes and intermediates thereof and their use in olefin metathesis Nov 10, 2024 Issued
Array ( [id] => 19683974 [patent_doc_number] => 20250002519 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-02 [patent_title] => NOVEL PRECATALYST SCAFFOLDS FOR CROSS-COUPLING REACTIONS, AND METHODS OF MAKING AND USING SAME [patent_app_type] => utility [patent_app_number] => 18/815139 [patent_app_country] => US [patent_app_date] => 2024-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23613 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 265 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18815139 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/815139
NOVEL PRECATALYST SCAFFOLDS FOR CROSS-COUPLING REACTIONS, AND METHODS OF MAKING AND USING SAME Aug 25, 2024 Pending
Array ( [id] => 19793221 [patent_doc_number] => 12234150 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-02-25 [patent_title] => Metal organic framework derived nanocomposite catalyst for synthesis gas production [patent_app_type] => utility [patent_app_number] => 18/810622 [patent_app_country] => US [patent_app_date] => 2024-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 5193 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18810622 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/810622
Metal organic framework derived nanocomposite catalyst for synthesis gas production Aug 20, 2024 Issued
Array ( [id] => 19642895 [patent_doc_number] => 20240417415 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-19 [patent_title] => ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES [patent_app_type] => utility [patent_app_number] => 18/809529 [patent_app_country] => US [patent_app_date] => 2024-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16812 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18809529 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/809529
ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES Aug 19, 2024 Pending
Array ( [id] => 19556414 [patent_doc_number] => 20240368206 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => CYCLIC SUPPORTED CATALYSTS [patent_app_type] => utility [patent_app_number] => 18/774072 [patent_app_country] => US [patent_app_date] => 2024-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 25452 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 244 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18774072 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/774072
CYCLIC SUPPORTED CATALYSTS Jul 15, 2024 Pending
Array ( [id] => 19556414 [patent_doc_number] => 20240368206 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => CYCLIC SUPPORTED CATALYSTS [patent_app_type] => utility [patent_app_number] => 18/774072 [patent_app_country] => US [patent_app_date] => 2024-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 25452 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 244 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18774072 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/774072
CYCLIC SUPPORTED CATALYSTS Jul 15, 2024 Pending
Array ( [id] => 20385697 [patent_doc_number] => 12485408 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-02 [patent_title] => Catalyst for hydrogenation reaction and method for manufacturing the same [patent_app_type] => utility [patent_app_number] => 18/741542 [patent_app_country] => US [patent_app_date] => 2024-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 19 [patent_no_of_words] => 960 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18741542 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/741542
Catalyst for hydrogenation reaction and method for manufacturing the same Jun 11, 2024 Issued
Array ( [id] => 20385696 [patent_doc_number] => 12485407 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-02 [patent_title] => Catalyst for hydrogenation reaction and method for producing same [patent_app_type] => utility [patent_app_number] => 18/665116 [patent_app_country] => US [patent_app_date] => 2024-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 983 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18665116 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/665116
Catalyst for hydrogenation reaction and method for producing same May 14, 2024 Issued
Array ( [id] => 19556197 [patent_doc_number] => 20240367989 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => PREPARATION OF LITHIUM CARBONATE AND LITHIUM HYDROXIDE [patent_app_type] => utility [patent_app_number] => 18/644735 [patent_app_country] => US [patent_app_date] => 2024-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2926 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18644735 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/644735
PREPARATION OF LITHIUM CARBONATE AND LITHIUM HYDROXIDE Apr 23, 2024 Abandoned
Array ( [id] => 19418437 [patent_doc_number] => 20240294560 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-05 [patent_title] => ORGANOMETALLIC COMPLEX, OLEFIN POLYMERIZATION CATALYST SYSTEM AND POLYMERIZATION PROCESS [patent_app_type] => utility [patent_app_number] => 18/640307 [patent_app_country] => US [patent_app_date] => 2024-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 129027 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -61 [patent_words_short_claim] => 306 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18640307 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/640307
Organometallic complex, olefin polymerization catalyst system and polymerization process Apr 18, 2024 Issued
Array ( [id] => 19424945 [patent_doc_number] => 12084344 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-10 [patent_title] => Method of purifying crude lithium bis(fluorosulfonyl)imide [patent_app_type] => utility [patent_app_number] => 18/629509 [patent_app_country] => US [patent_app_date] => 2024-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3081 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18629509 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/629509
Method of purifying crude lithium bis(fluorosulfonyl)imide Apr 7, 2024 Issued
Array ( [id] => 19417684 [patent_doc_number] => 20240293807 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-05 [patent_title] => METHOD FOR MAKING Fe3O4 MAGNETIC CATALYSTS [patent_app_type] => utility [patent_app_number] => 18/607139 [patent_app_country] => US [patent_app_date] => 2024-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13141 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18607139 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/607139
Method for making Fe Mar 14, 2024 Issued
Array ( [id] => 19402609 [patent_doc_number] => 20240286120 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-29 [patent_title] => SONICATION METHOD FOR MAKING MAGNETIC SUPPORTED CATALYSTS [patent_app_type] => utility [patent_app_number] => 18/607019 [patent_app_country] => US [patent_app_date] => 2024-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13145 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18607019 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/607019
Sonication method for making magnetic supported catalysts Mar 14, 2024 Issued
Array ( [id] => 19402610 [patent_doc_number] => 20240286121 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-29 [patent_title] => MAGNETIC-NANOPARTICLE-SUPPORTED CATALYST AND METHOD OF MAKING [patent_app_type] => utility [patent_app_number] => 18/607097 [patent_app_country] => US [patent_app_date] => 2024-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13169 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18607097 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/607097
Magnetic-nanoparticle-supported catalyst and method of making Mar 14, 2024 Issued
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