Search

Tam M. Nguyen

Examiner (ID: 3503, Phone: (571)272-1452 , Office: P/1772 )

Most Active Art Unit
1771
Art Unit(s)
1764, 3764, 1772, 3733, 1797, 1771
Total Applications
3016
Issued Applications
2142
Pending Applications
317
Abandoned Applications
584

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17373443 [patent_doc_number] => 20220028495 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-27 [patent_title] => RAPID ASSESSMENT OF CRUDE OIL FOULING PROPENSITY TO PREVENT REFINERY FOULING [patent_app_type] => utility [patent_app_number] => 17/443648 [patent_app_country] => US [patent_app_date] => 2021-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8184 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 443 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17443648 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/443648
Rapid assessment of crude oil fouling propensity to prevent refinery fouling Jul 26, 2021 Issued
Array ( [id] => 18436285 [patent_doc_number] => 20230183579 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-15 [patent_title] => PROCESS FOR THE PREPARATION OF CHEMICAL PRODUCTS FROM WASTE PLASTIC FEEDSTOCKS [patent_app_type] => utility [patent_app_number] => 18/017345 [patent_app_country] => US [patent_app_date] => 2021-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6920 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18017345 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/017345
PROCESS FOR THE PREPARATION OF CHEMICAL PRODUCTS FROM WASTE PLASTIC FEEDSTOCKS Jul 14, 2021 Abandoned
Array ( [id] => 18597491 [patent_doc_number] => 20230272287 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-31 [patent_title] => PROCESS FOR THE PREPARATION OF AROMATICS FROM WASTE PLASTIC FEEDSTOCKS [patent_app_type] => utility [patent_app_number] => 18/017030 [patent_app_country] => US [patent_app_date] => 2021-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6851 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18017030 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/017030
PROCESS FOR THE PREPARATION OF AROMATICS FROM WASTE PLASTIC FEEDSTOCKS Jul 14, 2021 Abandoned
Array ( [id] => 18077225 [patent_doc_number] => 20220402837 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-22 [patent_title] => METHOD FOR PREPARING 1-BUTENE AND PROPYLENE [patent_app_type] => utility [patent_app_number] => 17/777256 [patent_app_country] => US [patent_app_date] => 2021-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6261 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17777256 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/777256
Method for preparing 1-butene and propylene Jul 11, 2021 Issued
Array ( [id] => 18552334 [patent_doc_number] => 20230250343 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-10 [patent_title] => INTEGRATED CONTINUOUS CONVERSION AND SEPARATION METHODS FOR UPCYCLING MIXED PLASTIC WASTE TO CLEAN GASOLINE AND DIESEL FUELS AND OTHER PRODUCTS [patent_app_type] => utility [patent_app_number] => 18/004647 [patent_app_country] => US [patent_app_date] => 2021-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8561 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18004647 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/004647
Integrated continuous conversion and separation methods for upcycling mixed plastic waste to clean gasoline and diesel fuels and other products Jul 8, 2021 Issued
Array ( [id] => 19637627 [patent_doc_number] => 12168224 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-17 [patent_title] => Optically pure enantiomers of ruthenium complexes and uses thereof [patent_app_type] => utility [patent_app_number] => 18/004341 [patent_app_country] => US [patent_app_date] => 2021-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 25857 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 415 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18004341 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/004341
Optically pure enantiomers of ruthenium complexes and uses thereof Jul 7, 2021 Issued
Array ( [id] => 20158360 [patent_doc_number] => 12384972 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-12 [patent_title] => Method and system for treating waste plastic material [patent_app_type] => utility [patent_app_number] => 18/004041 [patent_app_country] => US [patent_app_date] => 2021-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 13174 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18004041 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/004041
Method and system for treating waste plastic material Jun 29, 2021 Issued
Array ( [id] => 18187707 [patent_doc_number] => 11578278 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-14 [patent_title] => Renewable transportation fuel process with thermal oxidation system [patent_app_type] => utility [patent_app_number] => 17/361680 [patent_app_country] => US [patent_app_date] => 2021-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 16738 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 496 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17361680 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/361680
Renewable transportation fuel process with thermal oxidation system Jun 28, 2021 Issued
Array ( [id] => 20343279 [patent_doc_number] => 12467002 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-11 [patent_title] => Method for producing gasolines or aromatic compound concentrates with different distribution of hydrocarbon, oxygenate and olefin-containing fractions to the reactor beds [patent_app_type] => utility [patent_app_number] => 18/013533 [patent_app_country] => US [patent_app_date] => 2021-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6720 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18013533 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/013533
Method for producing gasolines or aromatic compound concentrates with different distribution of hydrocarbon, oxygenate and olefin-containing fractions to the reactor beds Jun 21, 2021 Issued
Array ( [id] => 18523363 [patent_doc_number] => 20230234018 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-27 [patent_title] => CO2 METHANATION USING PLASMA CATALYSIS [patent_app_type] => utility [patent_app_number] => 18/001783 [patent_app_country] => US [patent_app_date] => 2021-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10179 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 18001783 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/001783
CO2 METHANATION USING PLASMA CATALYSIS Jun 14, 2021 Pending
Array ( [id] => 19418711 [patent_doc_number] => 20240294834 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-05 [patent_title] => WASTE-SYNTHETIC-RESIN EMULSIFYING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/697255 [patent_app_country] => US [patent_app_date] => 2021-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6164 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18697255 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/697255
WASTE-SYNTHETIC-RESIN EMULSIFYING APPARATUS Jun 13, 2021 Pending
Array ( [id] => 17111660 [patent_doc_number] => 20210292257 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-23 [patent_title] => ETHANE RECOVERY PROCESS AND ALKYLATION PROCESS WITH ETHANE RECOVERY [patent_app_type] => utility [patent_app_number] => 17/341593 [patent_app_country] => US [patent_app_date] => 2021-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11412 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17341593 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/341593
ETHANE RECOVERY PROCESS AND ALKYLATION PROCESS WITH ETHANE RECOVERY Jun 7, 2021 Abandoned
Array ( [id] => 18233334 [patent_doc_number] => 11597883 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-07 [patent_title] => Process for removing olefins from normal paraffins in an isomerization effluent stream [patent_app_type] => utility [patent_app_number] => 17/341161 [patent_app_country] => US [patent_app_date] => 2021-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 10536 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17341161 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/341161
Process for removing olefins from normal paraffins in an isomerization effluent stream Jun 6, 2021 Issued
Array ( [id] => 17875435 [patent_doc_number] => 11447436 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-20 [patent_title] => Method and system to control and maintain product quality for an olefin membrane separation [patent_app_type] => utility [patent_app_number] => 17/339501 [patent_app_country] => US [patent_app_date] => 2021-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3232 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17339501 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/339501
Method and system to control and maintain product quality for an olefin membrane separation Jun 3, 2021 Issued
Array ( [id] => 20201693 [patent_doc_number] => 12404462 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-02 [patent_title] => Multi-stage process and device utilizing structured catalyst beds and reactive distillation for the production of a low sulfur heavy marine fuel oil [patent_app_type] => utility [patent_app_number] => 17/331396 [patent_app_country] => US [patent_app_date] => 2021-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 11286 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 213 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17331396 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/331396
Multi-stage process and device utilizing structured catalyst beds and reactive distillation for the production of a low sulfur heavy marine fuel oil May 25, 2021 Issued
Array ( [id] => 18636359 [patent_doc_number] => 11760946 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-19 [patent_title] => Process control systems and methods for simultaneous crude oil dehydration, desalting, sweetening, and stabilization [patent_app_type] => utility [patent_app_number] => 17/330091 [patent_app_country] => US [patent_app_date] => 2021-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 21028 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17330091 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/330091
Process control systems and methods for simultaneous crude oil dehydration, desalting, sweetening, and stabilization May 24, 2021 Issued
Array ( [id] => 20107273 [patent_doc_number] => 12357972 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-15 [patent_title] => Metal-supporting nonwoven fabric and production method thereof, catalyst, unsaturated compound hydrogenation method, and carbon-carbon bond forming method [patent_app_type] => utility [patent_app_number] => 17/999683 [patent_app_country] => US [patent_app_date] => 2021-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17999683 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/999683
Metal-supporting nonwoven fabric and production method thereof, catalyst, unsaturated compound hydrogenation method, and carbon-carbon bond forming method May 24, 2021 Issued
Array ( [id] => 17082311 [patent_doc_number] => 20210277317 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-09 [patent_title] => TWO STAGE HYDRODEARYLATION SYSTEMS TO CONVERT HEAVY AROMATICS INTO GASOLINE BLENDING COMPONENTS AND CHEMICAL GRADE AROMATICS [patent_app_type] => utility [patent_app_number] => 17/328580 [patent_app_country] => US [patent_app_date] => 2021-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7807 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17328580 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/328580
Two stage hydrodearylation systems to convert heavy aromatics into gasoline blending components and chemical grade aromatics May 23, 2021 Issued
Array ( [id] => 19012938 [patent_doc_number] => 11919853 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-05 [patent_title] => Process and apparatus for preparing purified styrene composition from styrene containing feedstock [patent_app_type] => utility [patent_app_number] => 17/922540 [patent_app_country] => US [patent_app_date] => 2021-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 9963 [patent_no_of_claims] => 12 [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] => 17922540 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/922540
Process and apparatus for preparing purified styrene composition from styrene containing feedstock May 6, 2021 Issued
Array ( [id] => 18419980 [patent_doc_number] => 20230174440 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-08 [patent_title] => PROCESS AND APPARATUS FOR PREPARING PURIFIED STYRENE COMPOSITION FROM STYRENE CONTAINING FEEDSTOCK [patent_app_type] => utility [patent_app_number] => 17/916554 [patent_app_country] => US [patent_app_date] => 2021-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9419 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17916554 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/916554
Process and apparatus for preparing purified styrene composition from styrene containing feedstock May 6, 2021 Issued
Menu