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] => 18716851 [patent_doc_number] => 11794176 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-24 [patent_title] => Antifouling oligomerization catalyst systems [patent_app_type] => utility [patent_app_number] => 17/827208 [patent_app_country] => US [patent_app_date] => 2022-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5121 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17827208 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/827208
Antifouling oligomerization catalyst systems May 26, 2022 Issued
Array ( [id] => 17836790 [patent_doc_number] => 20220274095 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-01 [patent_title] => Methods of Preparing a Catalyst Utilizing Hydrated Reagents [patent_app_type] => utility [patent_app_number] => 17/747212 [patent_app_country] => US [patent_app_date] => 2022-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 34882 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17747212 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/747212
Methods of preparing a catalyst utilizing hydrated reagents May 17, 2022 Issued
Array ( [id] => 17850884 [patent_doc_number] => 20220280925 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-08 [patent_title] => Methods of Preparing a Catalyst Utilizing Hydrated Reagents [patent_app_type] => utility [patent_app_number] => 17/747208 [patent_app_country] => US [patent_app_date] => 2022-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 35785 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17747208 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/747208
Methods of preparing a catalyst utilizing hydrated reagents May 17, 2022 Issued
Array ( [id] => 17851859 [patent_doc_number] => 20220281901 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-08 [patent_title] => TRIARYL PHOSPHINE LIGANDS, PREPARATION METHOD THEREFOR, AND USE IN CATALYSING COUPLING REACTIONSONS [patent_app_type] => utility [patent_app_number] => 17/738532 [patent_app_country] => US [patent_app_date] => 2022-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13814 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17738532 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/738532
Triaryl phosphine ligands, preparation method therefor, and use in catalyzing coupling reactions May 5, 2022 Issued
Array ( [id] => 17807864 [patent_doc_number] => 20220259699 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-18 [patent_title] => RARE EARTH EXTRACTION APPARATUS AND METHOD OF USE THEREOF [patent_app_type] => utility [patent_app_number] => 17/736930 [patent_app_country] => US [patent_app_date] => 2022-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5599 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17736930 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/736930
Rare earth extraction apparatus and method of use thereof May 3, 2022 Issued
Array ( [id] => 17807864 [patent_doc_number] => 20220259699 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-18 [patent_title] => RARE EARTH EXTRACTION APPARATUS AND METHOD OF USE THEREOF [patent_app_type] => utility [patent_app_number] => 17/736930 [patent_app_country] => US [patent_app_date] => 2022-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5599 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17736930 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/736930
Rare earth extraction apparatus and method of use thereof May 3, 2022 Issued
Array ( [id] => 17775415 [patent_doc_number] => 20220241764 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-04 [patent_title] => CATALYST COMPOSITION AND PROCESS FOR OLIGOMERIZATION OF ETHYLENE [patent_app_type] => utility [patent_app_number] => 17/722794 [patent_app_country] => US [patent_app_date] => 2022-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4856 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17722794 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/722794
CATALYST COMPOSITION AND PROCESS FOR OLIGOMERIZATION OF ETHYLENE Apr 17, 2022 Abandoned
Array ( [id] => 18837012 [patent_doc_number] => 11845069 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-19 [patent_title] => Catalyst composition, a process for preparing the catalyst composition, and a use of the catalyst composition [patent_app_type] => utility [patent_app_number] => 17/715420 [patent_app_country] => US [patent_app_date] => 2022-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 3071 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17715420 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/715420
Catalyst composition, a process for preparing the catalyst composition, and a use of the catalyst composition Apr 6, 2022 Issued
Array ( [id] => 18526302 [patent_doc_number] => 11713286 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-01 [patent_title] => Butadiene telomerization catalyst preparation and use thereof [patent_app_type] => utility [patent_app_number] => 17/703458 [patent_app_country] => US [patent_app_date] => 2022-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6857 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17703458 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/703458
Butadiene telomerization catalyst preparation and use thereof Mar 23, 2022 Issued
Array ( [id] => 20143090 [patent_doc_number] => 12377407 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-05 [patent_title] => Compositions and methods for visible-light-controlled ruthenium-catalyzed olefin metathesis [patent_app_type] => utility [patent_app_number] => 17/691257 [patent_app_country] => US [patent_app_date] => 2022-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 51 [patent_no_of_words] => 17714 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17691257 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/691257
Compositions and methods for visible-light-controlled ruthenium-catalyzed olefin metathesis Mar 9, 2022 Issued
Array ( [id] => 17836792 [patent_doc_number] => 20220274097 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-01 [patent_title] => HETEROBIMETALLIC CATALYSTS AND SITE-DIFFERENTIATED LIGANDS FOR PREPARATION THEREOF [patent_app_type] => utility [patent_app_number] => 17/681073 [patent_app_country] => US [patent_app_date] => 2022-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19801 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17681073 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/681073
Heterobimetallic catalysts and site-differentiated ligands for preparation thereof Feb 24, 2022 Issued
Array ( [id] => 17640982 [patent_doc_number] => 20220168720 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-02 [patent_title] => MONOCARBONYL RUTHENIUM AND OSMIUM CATALYSTS [patent_app_type] => utility [patent_app_number] => 17/673220 [patent_app_country] => US [patent_app_date] => 2022-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15119 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 374 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17673220 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/673220
Monocarbonyl ruthenium and osmium catalysts Feb 15, 2022 Issued
Array ( [id] => 17577467 [patent_doc_number] => 20220134322 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-05 [patent_title] => Polyisocyanate Trimerization Catalyst Composition [patent_app_type] => utility [patent_app_number] => 17/577896 [patent_app_country] => US [patent_app_date] => 2022-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9857 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17577896 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/577896
Polyisocyanate Trimerization Catalyst Composition Jan 17, 2022 Pending
Array ( [id] => 18987607 [patent_doc_number] => 20240059576 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => PROCESS FOR THE PREPARATION OF PURE LITHIUM OXIDE [patent_app_type] => utility [patent_app_number] => 18/259800 [patent_app_country] => US [patent_app_date] => 2022-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6136 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18259800 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/259800
PROCESS FOR THE PREPARATION OF PURE LITHIUM OXIDE Jan 2, 2022 Pending
Array ( [id] => 18939486 [patent_doc_number] => 20240034625 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-01 [patent_title] => NANOSCALE IRON PHOSPHATE, PREPARATION METHOD THEREFOR AND USE THEREOF [patent_app_type] => utility [patent_app_number] => 18/265386 [patent_app_country] => US [patent_app_date] => 2021-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3408 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 18265386 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/265386
NANOSCALE IRON PHOSPHATE, PREPARATION METHOD THEREFOR AND USE THEREOF Dec 29, 2021 Abandoned
Array ( [id] => 18186672 [patent_doc_number] => 11577232 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-14 [patent_title] => Ruthenium-based metathesis catalysts, precursors for their preparation and their use [patent_app_type] => utility [patent_app_number] => 17/562321 [patent_app_country] => US [patent_app_date] => 2021-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 8038 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17562321 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/562321
Ruthenium-based metathesis catalysts, precursors for their preparation and their use Dec 26, 2021 Issued
Array ( [id] => 19579853 [patent_doc_number] => 12145949 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-19 [patent_title] => Cyclic supported catalysts [patent_app_type] => utility [patent_app_number] => 17/559495 [patent_app_country] => US [patent_app_date] => 2021-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 25316 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 5 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17559495 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/559495
Cyclic supported catalysts Dec 21, 2021 Issued
Array ( [id] => 19083264 [patent_doc_number] => 20240110065 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-04 [patent_title] => PRODUCTION OF CARBON BLACK [patent_app_type] => utility [patent_app_number] => 18/270175 [patent_app_country] => US [patent_app_date] => 2021-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9591 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 17 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18270175 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/270175
PRODUCTION OF CARBON BLACK Dec 20, 2021 Pending
Array ( [id] => 19083264 [patent_doc_number] => 20240110065 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-04 [patent_title] => PRODUCTION OF CARBON BLACK [patent_app_type] => utility [patent_app_number] => 18/270175 [patent_app_country] => US [patent_app_date] => 2021-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9591 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 17 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18270175 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/270175
PRODUCTION OF CARBON BLACK Dec 20, 2021 Pending
Array ( [id] => 18973239 [patent_doc_number] => 20240053331 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-15 [patent_title] => TOTAL ENERGY EXPENDITURE MEASUREMENTS WITH H2 18O DEPLETED WATER [patent_app_type] => utility [patent_app_number] => 18/268227 [patent_app_country] => US [patent_app_date] => 2021-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10763 [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] => 18268227 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/268227
TOTAL ENERGY EXPENDITURE MEASUREMENTS WITH H2 18O DEPLETED WATER Dec 19, 2021 Pending
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