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] => 20343282 [patent_doc_number] => 12467005 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-11 [patent_title] => Alternative methanol to olefin (MTO) process [patent_app_type] => utility [patent_app_number] => 18/245828 [patent_app_country] => US [patent_app_date] => 2021-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 5469 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 250 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18245828 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/245828
Alternative methanol to olefin (MTO) process Sep 23, 2021 Issued
Array ( [id] => 18718071 [patent_doc_number] => 11795406 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-24 [patent_title] => Multi-stage device and process for production of a low sulfur heavy marine fuel oil from distressed heavy fuel oil materials [patent_app_type] => utility [patent_app_number] => 17/473421 [patent_app_country] => US [patent_app_date] => 2021-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 16 [patent_no_of_words] => 22791 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17473421 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/473421
Multi-stage device and process for production of a low sulfur heavy marine fuel oil from distressed heavy fuel oil materials Sep 12, 2021 Issued
Array ( [id] => 18597497 [patent_doc_number] => 20230272293 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-31 [patent_title] => METHOD FOR PROCESSING PYROLYSIS OILS FROM PLASTICS AND/OR SOLID RECOVERED FUELS LOADED WITH IMPURITIES [patent_app_type] => utility [patent_app_number] => 18/028273 [patent_app_country] => US [patent_app_date] => 2021-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21544 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 425 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18028273 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/028273
METHOD FOR PROCESSING PYROLYSIS OILS FROM PLASTICS AND/OR SOLID RECOVERED FUELS LOADED WITH IMPURITIES Sep 8, 2021 Pending
Array ( [id] => 18988010 [patent_doc_number] => 20240059979 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => PROCESS AND SYSTEM FOR HYDROTREATING RENEWABLE FEEDSTOCK [patent_app_type] => utility [patent_app_number] => 18/025142 [patent_app_country] => US [patent_app_date] => 2021-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13137 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18025142 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/025142
PROCESS AND SYSTEM FOR HYDROTREATING RENEWABLE FEEDSTOCK Sep 7, 2021 Pending
Array ( [id] => 18770708 [patent_doc_number] => 20230365479 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-16 [patent_title] => Processes for Converting C8 Aromatic Hydrocarbons [patent_app_type] => utility [patent_app_number] => 18/044584 [patent_app_country] => US [patent_app_date] => 2021-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16494 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18044584 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/044584
Processes for Converting C8 Aromatic Hydrocarbons Aug 31, 2021 Abandoned
Array ( [id] => 18692412 [patent_doc_number] => 20230322646 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-12 [patent_title] => PROCESSES FOR THE PREPARATION OF ALKYLBENZENES [patent_app_type] => utility [patent_app_number] => 18/042487 [patent_app_country] => US [patent_app_date] => 2021-08-20 [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] => -18 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18042487 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/042487
Processes for the preparation of alkylbenzenes Aug 19, 2021 Issued
Array ( [id] => 18628416 [patent_doc_number] => 20230287280 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-14 [patent_title] => PROCESS FOR HYDROTREATMENT OF MATERIALS FROM RENEWABLE SOURCES [patent_app_type] => utility [patent_app_number] => 18/005869 [patent_app_country] => US [patent_app_date] => 2021-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7164 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18005869 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/005869
PROCESS FOR HYDROTREATMENT OF MATERIALS FROM RENEWABLE SOURCES Aug 19, 2021 Pending
Array ( [id] => 20158126 [patent_doc_number] => 12384736 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-12 [patent_title] => Process and plant for preparing purified benzene composition from crude hydrocarbon stream containing benzene [patent_app_type] => utility [patent_app_number] => 18/021545 [patent_app_country] => US [patent_app_date] => 2021-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4764 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18021545 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/021545
Process and plant for preparing purified benzene composition from crude hydrocarbon stream containing benzene Aug 16, 2021 Issued
Array ( [id] => 18657972 [patent_doc_number] => 20230303932 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => METALLIC BASED HYDROCARBON PYROLYSIS [patent_app_type] => utility [patent_app_number] => 18/041345 [patent_app_country] => US [patent_app_date] => 2021-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7775 [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] => 18041345 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/041345
Metallic based hydrocarbon pyrolysis Aug 10, 2021 Issued
Array ( [id] => 18657561 [patent_doc_number] => 20230303466 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => OXIDATIVE DEHYDROGENATION PROCESS [patent_app_type] => utility [patent_app_number] => 18/020480 [patent_app_country] => US [patent_app_date] => 2021-08-11 [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] => -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] => 18020480 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/020480
OXIDATIVE DEHYDROGENATION PROCESS Aug 10, 2021 Pending
Array ( [id] => 18764205 [patent_doc_number] => 11814592 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-14 [patent_title] => System and method for liquid hydrocarbon desulfurization [patent_app_type] => utility [patent_app_number] => 17/398579 [patent_app_country] => US [patent_app_date] => 2021-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 8540 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 242 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17398579 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/398579
System and method for liquid hydrocarbon desulfurization Aug 9, 2021 Issued
Array ( [id] => 19897778 [patent_doc_number] => 12275680 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-15 [patent_title] => Method for producing 1,4-dimethyltetralin [patent_app_type] => utility [patent_app_number] => 17/927458 [patent_app_country] => US [patent_app_date] => 2021-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17927458 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/927458
Method for producing 1,4-dimethyltetralin Aug 9, 2021 Issued
Array ( [id] => 18895094 [patent_doc_number] => 20240010579 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-11 [patent_title] => Processes for Making Linear Alpha-Olefins [patent_app_type] => utility [patent_app_number] => 18/042386 [patent_app_country] => US [patent_app_date] => 2021-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 25243 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18042386 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/042386
Processes for Making Linear Alpha-Olefins Aug 9, 2021 Pending
Array ( [id] => 18102567 [patent_doc_number] => 11542445 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-03 [patent_title] => Catalyst and process of upgrading heavy oil in the presence of steam [patent_app_type] => utility [patent_app_number] => 17/397234 [patent_app_country] => US [patent_app_date] => 2021-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 11815 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 449 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17397234 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/397234
Catalyst and process of upgrading heavy oil in the presence of steam Aug 8, 2021 Issued
Array ( [id] => 17243698 [patent_doc_number] => 20210363441 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-25 [patent_title] => CONFIGURATION FOR OLEFINS PRODUCTION [patent_app_type] => utility [patent_app_number] => 17/397292 [patent_app_country] => US [patent_app_date] => 2021-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 25262 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -33 [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] => 17397292 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/397292
Configuration for olefins production Aug 8, 2021 Issued
Array ( [id] => 19442367 [patent_doc_number] => 12092622 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-17 [patent_title] => Method for analyzing deuterated benzenes, method for selecting deuterated benzene for deuterated compound preparation, and method for preparing deuterated compound [patent_app_type] => utility [patent_app_number] => 17/802370 [patent_app_country] => US [patent_app_date] => 2021-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 7373 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 291 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17802370 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/802370
Method for analyzing deuterated benzenes, method for selecting deuterated benzene for deuterated compound preparation, and method for preparing deuterated compound Aug 2, 2021 Issued
Array ( [id] => 19738255 [patent_doc_number] => 12215073 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-04 [patent_title] => Integrated ethylene production process [patent_app_type] => utility [patent_app_number] => 18/006159 [patent_app_country] => US [patent_app_date] => 2021-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 12569 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 482 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18006159 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/006159
Integrated ethylene production process Aug 2, 2021 Issued
Array ( [id] => 19969617 [patent_doc_number] => 12338208 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-24 [patent_title] => Fluid catalytic cracking catalyst composition for enhanced butylene to propylene selectivity ratio [patent_app_type] => utility [patent_app_number] => 18/017775 [patent_app_country] => US [patent_app_date] => 2021-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 11191 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18017775 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/017775
Fluid catalytic cracking catalyst composition for enhanced butylene to propylene selectivity ratio Jul 29, 2021 Issued
Array ( [id] => 18726085 [patent_doc_number] => 20230340338 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-26 [patent_title] => COMPOSITIONS AND METHODS FOR REMOVING SULFUR COMPOUNDS FROM PROCESS STREAMS [patent_app_type] => utility [patent_app_number] => 18/018740 [patent_app_country] => US [patent_app_date] => 2021-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8704 [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] => 18018740 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/018740
Compositions and methods for removing sulfur compounds from process streams Jul 29, 2021 Issued
Array ( [id] => 17443582 [patent_doc_number] => 20220064087 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-03 [patent_title] => ETHYLENE SEPARATIONS USING SMALL PORE ZEOLITES CONTAINING DOUBLE-SIX RINGS AND CAGES [patent_app_type] => utility [patent_app_number] => 17/388105 [patent_app_country] => US [patent_app_date] => 2021-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4321 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17388105 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/388105
Ethylene separations using small pore zeolites containing double-six rings and cages Jul 28, 2021 Issued
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