Search

Duc M. Nguyen

Examiner (ID: 11247, Phone: (571)272-7893 , Office: P/2647 )

Most Active Art Unit
2618
Art Unit(s)
2682, 2618, 2745, 2600, 2685, 2648, 2647
Total Applications
1320
Issued Applications
996
Pending Applications
59
Abandoned Applications
270

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2636577 [patent_doc_number] => 04952751 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-08-28 [patent_title] => 'Treatment of evaporator condensates by pervaporation' [patent_app_type] => 1 [patent_app_number] => 7/179490 [patent_app_country] => US [patent_app_date] => 1988-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 6314 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/952/04952751.pdf [firstpage_image] =>[orig_patent_app_number] => 179490 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/179490
Treatment of evaporator condensates by pervaporation Apr 7, 1988 Issued
Array ( [id] => 2483772 [patent_doc_number] => 04828674 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-05-09 [patent_title] => 'Method for controlling fouling deposit formation in a liquid hydrocarbonaceous medium' [patent_app_type] => 1 [patent_app_number] => 7/177252 [patent_app_country] => US [patent_app_date] => 1988-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3521 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/828/04828674.pdf [firstpage_image] =>[orig_patent_app_number] => 177252 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/177252
Method for controlling fouling deposit formation in a liquid hydrocarbonaceous medium Apr 3, 1988 Issued
Array ( [id] => 2512288 [patent_doc_number] => 04869808 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-09-26 [patent_title] => 'Hydrocarbon conversion process with radial flow and controlled hydrogen addition' [patent_app_type] => 1 [patent_app_number] => 7/176574 [patent_app_country] => US [patent_app_date] => 1988-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4446 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/869/04869808.pdf [firstpage_image] =>[orig_patent_app_number] => 176574 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/176574
Hydrocarbon conversion process with radial flow and controlled hydrogen addition Mar 31, 1988 Issued
Array ( [id] => 2663990 [patent_doc_number] => 04954246 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-04 [patent_title] => 'Slurry-phase gasification of carbonaceous materials using ultrasound in an aqueous media' [patent_app_type] => 1 [patent_app_number] => 7/175869 [patent_app_country] => US [patent_app_date] => 1988-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3700 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/954/04954246.pdf [firstpage_image] =>[orig_patent_app_number] => 175869 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/175869
Slurry-phase gasification of carbonaceous materials using ultrasound in an aqueous media Mar 30, 1988 Issued
Array ( [id] => 2555858 [patent_doc_number] => 04834866 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-05-30 [patent_title] => 'Process for converting normal and cyclic paraffins' [patent_app_type] => 1 [patent_app_number] => 7/176135 [patent_app_country] => US [patent_app_date] => 1988-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 6432 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/834/04834866.pdf [firstpage_image] =>[orig_patent_app_number] => 176135 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/176135
Process for converting normal and cyclic paraffins Mar 30, 1988 Issued
Array ( [id] => 2564897 [patent_doc_number] => 04835334 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-05-30 [patent_title] => 'Two-stage adsorptive separation process for purifying 2,6 Dimethylnaphthalene' [patent_app_type] => 1 [patent_app_number] => 7/174561 [patent_app_country] => US [patent_app_date] => 1988-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 5422 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/835/04835334.pdf [firstpage_image] =>[orig_patent_app_number] => 174561 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/174561
Two-stage adsorptive separation process for purifying 2,6 Dimethylnaphthalene Mar 28, 1988 Issued
07/173047 HIGH PURITY COKE Mar 27, 1988 Abandoned
Array ( [id] => 2519615 [patent_doc_number] => 04872969 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-10-10 [patent_title] => 'Method for valveless control of particle transport' [patent_app_type] => 1 [patent_app_number] => 7/173831 [patent_app_country] => US [patent_app_date] => 1988-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 6466 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/872/04872969.pdf [firstpage_image] =>[orig_patent_app_number] => 173831 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/173831
Method for valveless control of particle transport Mar 27, 1988 Issued
Array ( [id] => 2519448 [patent_doc_number] => 04864070 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-09-05 [patent_title] => 'Process for the separation of ortho chlorinated aromatic isomers by selective adsorption' [patent_app_type] => 1 [patent_app_number] => 7/172776 [patent_app_country] => US [patent_app_date] => 1988-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4556 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/864/04864070.pdf [firstpage_image] =>[orig_patent_app_number] => 172776 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/172776
Process for the separation of ortho chlorinated aromatic isomers by selective adsorption Mar 27, 1988 Issued
Array ( [id] => 2482496 [patent_doc_number] => 04859310 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-08-22 [patent_title] => 'Catalytic cracking of whole crude oil' [patent_app_type] => 1 [patent_app_number] => 7/173667 [patent_app_country] => US [patent_app_date] => 1988-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 10420 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/859/04859310.pdf [firstpage_image] =>[orig_patent_app_number] => 173667 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/173667
Catalytic cracking of whole crude oil Mar 24, 1988 Issued
07/172168 ADSORPTIVE SEPARATION PROCESS FOR THE PURIFICATION OF NORMAL PARAFFINS Mar 22, 1988 Abandoned
Array ( [id] => 2632224 [patent_doc_number] => 04898659 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-02-06 [patent_title] => 'Multi-point cold solvent injection in scraped surface dewaxing chillers' [patent_app_type] => 1 [patent_app_number] => 7/171675 [patent_app_country] => US [patent_app_date] => 1988-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2261 [patent_no_of_claims] => 3 [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] => patents/04/898/04898659.pdf [firstpage_image] =>[orig_patent_app_number] => 171675 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/171675
Multi-point cold solvent injection in scraped surface dewaxing chillers Mar 20, 1988 Issued
Array ( [id] => 2510209 [patent_doc_number] => 04863587 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-09-05 [patent_title] => 'Method for recovery of a phenolic polymerization inhibitor' [patent_app_type] => 1 [patent_app_number] => 7/171372 [patent_app_country] => US [patent_app_date] => 1988-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4198 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/863/04863587.pdf [firstpage_image] =>[orig_patent_app_number] => 171372 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/171372
Method for recovery of a phenolic polymerization inhibitor Mar 20, 1988 Issued
Array ( [id] => 2560845 [patent_doc_number] => 04942269 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-07-17 [patent_title] => 'Process for fractionating fast-pyrolysis oils, and products derived therefrom' [patent_app_type] => 1 [patent_app_number] => 7/169506 [patent_app_country] => US [patent_app_date] => 1988-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 7099 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/942/04942269.pdf [firstpage_image] =>[orig_patent_app_number] => 169506 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/169506
Process for fractionating fast-pyrolysis oils, and products derived therefrom Mar 16, 1988 Issued
Array ( [id] => 2506767 [patent_doc_number] => 04840721 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-06-20 [patent_title] => 'Process for treating a temperature-sensitive hydrocarbonaceous stream containing a non-distillable component to produce a hydrogenated distillable hydrocarbonaceous product' [patent_app_type] => 1 [patent_app_number] => 7/169242 [patent_app_country] => US [patent_app_date] => 1988-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 6337 [patent_no_of_claims] => 41 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 305 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/840/04840721.pdf [firstpage_image] =>[orig_patent_app_number] => 169242 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/169242
Process for treating a temperature-sensitive hydrocarbonaceous stream containing a non-distillable component to produce a hydrogenated distillable hydrocarbonaceous product Mar 15, 1988 Issued
Array ( [id] => 2540549 [patent_doc_number] => 04810364 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-03-07 [patent_title] => 'Hydrotreating process and catalyst' [patent_app_type] => 1 [patent_app_number] => 7/177742 [patent_app_country] => US [patent_app_date] => 1988-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3187 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/810/04810364.pdf [firstpage_image] =>[orig_patent_app_number] => 177742 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/177742
Hydrotreating process and catalyst Mar 14, 1988 Issued
Array ( [id] => 2579830 [patent_doc_number] => 04925549 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-05-15 [patent_title] => 'Sulfur removal system for protection of reforming catalyst' [patent_app_type] => 1 [patent_app_number] => 7/166588 [patent_app_country] => US [patent_app_date] => 1988-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3099 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/925/04925549.pdf [firstpage_image] =>[orig_patent_app_number] => 166588 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/166588
Sulfur removal system for protection of reforming catalyst Mar 9, 1988 Issued
Array ( [id] => 2520081 [patent_doc_number] => 04883582 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-11-28 [patent_title] => 'Vis-breaking heavy crude oils for pumpability' [patent_app_type] => 1 [patent_app_number] => 7/164861 [patent_app_country] => US [patent_app_date] => 1988-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2157 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/883/04883582.pdf [firstpage_image] =>[orig_patent_app_number] => 164861 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/164861
Vis-breaking heavy crude oils for pumpability Mar 6, 1988 Issued
Array ( [id] => 2623185 [patent_doc_number] => 04915818 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-04-10 [patent_title] => 'Use of dilute aqueous solutions of alkali polysulfides to remove trace amounts of mercury from liquid hydrocarbons' [patent_app_type] => 1 [patent_app_number] => 7/160440 [patent_app_country] => US [patent_app_date] => 1988-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3229 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/915/04915818.pdf [firstpage_image] =>[orig_patent_app_number] => 160440 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/160440
Use of dilute aqueous solutions of alkali polysulfides to remove trace amounts of mercury from liquid hydrocarbons Feb 24, 1988 Issued
Array ( [id] => 2473877 [patent_doc_number] => 04875995 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-10-24 [patent_title] => 'Solid addition and withdrawal' [patent_app_type] => 1 [patent_app_number] => 7/153347 [patent_app_country] => US [patent_app_date] => 1988-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4602 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/875/04875995.pdf [firstpage_image] =>[orig_patent_app_number] => 153347 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/153347
Solid addition and withdrawal Feb 7, 1988 Issued
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