Search

Yun Qian

Examiner (ID: 12917, Phone: (571)270-5834 , Office: P/1732 )

Most Active Art Unit
1732
Art Unit(s)
1738, 1793, 1732, 4162
Total Applications
1396
Issued Applications
761
Pending Applications
148
Abandoned Applications
535

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18947327 [patent_doc_number] => 11890602 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-06 [patent_title] => Application of the ionic iron (III) complex as catalyst in preparation of benzylamine compound [patent_app_type] => utility [patent_app_number] => 17/239496 [patent_app_country] => US [patent_app_date] => 2021-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3044 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17239496 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/239496
Application of the ionic iron (III) complex as catalyst in preparation of benzylamine compound Apr 22, 2021 Issued
Array ( [id] => 18019496 [patent_doc_number] => 20220370995 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-24 [patent_title] => MONONUCLEAR TRANSITION METAL COMPLEXES AND PHOTOCATALYSTS FOR CARBON DIOXIDE REDUCTION INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 17/623610 [patent_app_country] => US [patent_app_date] => 2021-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8624 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17623610 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/623610
MONONUCLEAR TRANSITION METAL COMPLEXES AND PHOTOCATALYSTS FOR CARBON DIOXIDE REDUCTION INCLUDING THE SAME Apr 19, 2021 Abandoned
Array ( [id] => 17974635 [patent_doc_number] => 11491474 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-08 [patent_title] => Chromium complex and catalyst therefrom [patent_app_type] => utility [patent_app_number] => 17/232288 [patent_app_country] => US [patent_app_date] => 2021-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 70894 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17232288 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/232288
Chromium complex and catalyst therefrom Apr 15, 2021 Issued
Array ( [id] => 18800351 [patent_doc_number] => 11833497 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-05 [patent_title] => Copper-containing bimetallic structures, syntheses thereof, and uses thereof [patent_app_type] => utility [patent_app_number] => 17/230679 [patent_app_country] => US [patent_app_date] => 2021-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 27 [patent_no_of_words] => 13078 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17230679 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/230679
Copper-containing bimetallic structures, syntheses thereof, and uses thereof Apr 13, 2021 Issued
Array ( [id] => 17155238 [patent_doc_number] => 20210316289 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-14 [patent_title] => ATOMICALLY DISPERSED METAL CATALYSTS AND APPLICATIONS THEREOF [patent_app_type] => utility [patent_app_number] => 17/221237 [patent_app_country] => US [patent_app_date] => 2021-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16165 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17221237 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/221237
Atomically dispersed metal catalysts and applications thereof Apr 1, 2021 Issued
Array ( [id] => 17006888 [patent_doc_number] => 20210238049 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-05 [patent_title] => Method for Producing Hydrocyanic Acid and Device for Producing Hydrocyanic Acid [patent_app_type] => utility [patent_app_number] => 17/221387 [patent_app_country] => US [patent_app_date] => 2021-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7127 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17221387 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/221387
Method for Producing Hydrocyanic Acid and Device for Producing Hydrocyanic Acid Apr 1, 2021 Abandoned
Array ( [id] => 19701474 [patent_doc_number] => 12195483 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-14 [patent_title] => Platinum complexes having ferrocene ligands for the catalysis of the alkoxycarbonylation of ethylenically unsaturated compounds [patent_app_type] => utility [patent_app_number] => 17/215075 [patent_app_country] => US [patent_app_date] => 2021-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1480 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17215075 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/215075
Platinum complexes having ferrocene ligands for the catalysis of the alkoxycarbonylation of ethylenically unsaturated compounds Mar 28, 2021 Issued
Array ( [id] => 16947108 [patent_doc_number] => 20210205799 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-08 [patent_title] => HIGH-ACTIVITY DOUBLE-METAL-CYANIDE CATALYST [patent_app_type] => utility [patent_app_number] => 17/212577 [patent_app_country] => US [patent_app_date] => 2021-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6401 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17212577 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/212577
High-activity double-metal-cyanide catalyst Mar 24, 2021 Issued
Array ( [id] => 17021274 [patent_doc_number] => 20210245145 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-12 [patent_title] => OXO-NITROGENATED IRON COMPLEX, CATALYTIC SYSTEM COMPRISING SAID OXO-NITROGENATED IRON COMPLEX AND PROCESS FOR THE (CO)POLYMERIZATION OF CONJUGATED DIENES [patent_app_type] => utility [patent_app_number] => 17/204570 [patent_app_country] => US [patent_app_date] => 2021-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13038 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17204570 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/204570
Oxo-nitrogenated iron complex, catalytic system comprising said oxo-nitrogenated iron complex and process for the (co)polymerization of conjugated dienes Mar 16, 2021 Issued
Array ( [id] => 18294771 [patent_doc_number] => 20230104457 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-06 [patent_title] => METHOD FOR RECOVERING LITHIUM AND METHOD FOR PROCESSING LITHIUM ION SECONDARY BATTERY [patent_app_type] => utility [patent_app_number] => 17/910214 [patent_app_country] => US [patent_app_date] => 2021-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17012 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17910214 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/910214
METHOD FOR RECOVERING LITHIUM AND METHOD FOR PROCESSING LITHIUM ION SECONDARY BATTERY Mar 8, 2021 Pending
Array ( [id] => 20343429 [patent_doc_number] => 12467152 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-11 [patent_title] => Lithium recovery from lithium salts dissolved in ionic liquids [patent_app_type] => utility [patent_app_number] => 17/795646 [patent_app_country] => US [patent_app_date] => 2021-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 23 [patent_no_of_words] => 1080 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17795646 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/795646
Lithium recovery from lithium salts dissolved in ionic liquids Mar 4, 2021 Issued
Array ( [id] => 17095796 [patent_doc_number] => 20210283587 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-16 [patent_title] => CATALYSTS AND METHODS FOR FORMING ALKENYL AND ALKYL SUBSTITUTED ARENES [patent_app_type] => utility [patent_app_number] => 17/188535 [patent_app_country] => US [patent_app_date] => 2021-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10534 [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] => 17188535 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/188535
Catalysts and methods for forming alkenyl and alkyl substituted arenes Feb 28, 2021 Issued
Array ( [id] => 18947329 [patent_doc_number] => 11890604 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-06 [patent_title] => Composite catalyst for carbon dioxide reduction and method of fabricating of the same [patent_app_type] => utility [patent_app_number] => 17/185593 [patent_app_country] => US [patent_app_date] => 2021-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 22 [patent_no_of_words] => 13209 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17185593 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/185593
Composite catalyst for carbon dioxide reduction and method of fabricating of the same Feb 24, 2021 Issued
Array ( [id] => 18778154 [patent_doc_number] => 11819835 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-21 [patent_title] => Catalyst for contaminant reduction and methods of use thereof [patent_app_type] => utility [patent_app_number] => 17/174166 [patent_app_country] => US [patent_app_date] => 2021-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 37 [patent_figures_cnt] => 53 [patent_no_of_words] => 36971 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17174166 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/174166
Catalyst for contaminant reduction and methods of use thereof Feb 10, 2021 Issued
Array ( [id] => 16868922 [patent_doc_number] => 20210162389 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-03 [patent_title] => TRI-(ADAMANTYL)PHOSPHINES AND APPLICATIONS THEREOF [patent_app_type] => utility [patent_app_number] => 17/167606 [patent_app_country] => US [patent_app_date] => 2021-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9757 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17167606 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/167606
Tri-(adamantyl)phosphines and applications thereof Feb 3, 2021 Issued
Array ( [id] => 18208539 [patent_doc_number] => 20230054797 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-23 [patent_title] => Ammonium Sulphate Production on Industrial Scale [patent_app_type] => utility [patent_app_number] => 17/796631 [patent_app_country] => US [patent_app_date] => 2021-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14708 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 17796631 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/796631
Ammonium Sulphate Production on Industrial Scale Feb 3, 2021 Pending
Array ( [id] => 16854823 [patent_doc_number] => 20210155568 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-27 [patent_title] => METHOD FOR FABRICATING POLYOLS [patent_app_type] => utility [patent_app_number] => 17/166705 [patent_app_country] => US [patent_app_date] => 2021-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6387 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17166705 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/166705
Method for fabricating polyols Feb 2, 2021 Issued
Array ( [id] => 16853905 [patent_doc_number] => 20210154650 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-27 [patent_title] => PINCER-TYPE LIGAND HAVING ACRIDANE STRUCTURE AND METAL COMPLEX USING THE SAME [patent_app_type] => utility [patent_app_number] => 17/165636 [patent_app_country] => US [patent_app_date] => 2021-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4866 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17165636 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/165636
Pincer-type ligand having acridane structure and metal complex using the same Feb 1, 2021 Issued
Array ( [id] => 18412368 [patent_doc_number] => 11666896 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-06 [patent_title] => Catalyst composition with improved chemical warfare agent degradation ability and processability [patent_app_type] => utility [patent_app_number] => 17/162639 [patent_app_country] => US [patent_app_date] => 2021-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 6602 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17162639 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/162639
Catalyst composition with improved chemical warfare agent degradation ability and processability Jan 28, 2021 Issued
Array ( [id] => 17251060 [patent_doc_number] => 11186532 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-11-30 [patent_title] => Dinuclear copper catalyst for the oxidation/oxygenation of hydrocarbons [patent_app_type] => utility [patent_app_number] => 17/159519 [patent_app_country] => US [patent_app_date] => 2021-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 8396 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17159519 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/159519
Dinuclear copper catalyst for the oxidation/oxygenation of hydrocarbons Jan 26, 2021 Issued
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