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] => 2639956 [patent_doc_number] => 04980050 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-12-25 [patent_title] => 'Catalytic cracking process with partial CO combustion' [patent_app_type] => 1 [patent_app_number] => 7/206241 [patent_app_country] => US [patent_app_date] => 1988-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 6129 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/980/04980050.pdf [firstpage_image] =>[orig_patent_app_number] => 206241 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/206241
Catalytic cracking process with partial CO combustion Jun 9, 1988 Issued
Array ( [id] => 2620390 [patent_doc_number] => 04919792 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-04-24 [patent_title] => 'Clarification of slurry oil' [patent_app_type] => 1 [patent_app_number] => 7/206238 [patent_app_country] => US [patent_app_date] => 1988-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2840 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/919/04919792.pdf [firstpage_image] =>[orig_patent_app_number] => 206238 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/206238
Clarification of slurry oil Jun 9, 1988 Issued
Array ( [id] => 2639937 [patent_doc_number] => 04980049 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-12-25 [patent_title] => 'Catalytic cracking of heavy oils' [patent_app_type] => 1 [patent_app_number] => 7/206237 [patent_app_country] => US [patent_app_date] => 1988-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3871 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/980/04980049.pdf [firstpage_image] =>[orig_patent_app_number] => 206237 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/206237
Catalytic cracking of heavy oils Jun 9, 1988 Issued
Array ( [id] => 2479271 [patent_doc_number] => 04820400 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-04-11 [patent_title] => 'Process for removing haze from dewaxed hydrocarbon oil mixture boiling in the lubricating oil range (OP-3379)' [patent_app_type] => 1 [patent_app_number] => 7/202601 [patent_app_country] => US [patent_app_date] => 1988-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 14 [patent_no_of_words] => 12530 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/820/04820400.pdf [firstpage_image] =>[orig_patent_app_number] => 202601 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/202601
Process for removing haze from dewaxed hydrocarbon oil mixture boiling in the lubricating oil range (OP-3379) Jun 5, 1988 Issued
Array ( [id] => 2523158 [patent_doc_number] => 04839030 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-06-13 [patent_title] => 'Coal liquefaction process utilizing coal/CO.sub.2 slurry feedstream' [patent_app_type] => 1 [patent_app_number] => 7/199493 [patent_app_country] => US [patent_app_date] => 1988-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5970 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/839/04839030.pdf [firstpage_image] =>[orig_patent_app_number] => 199493 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/199493
Coal liquefaction process utilizing coal/CO.sub.2 slurry feedstream May 26, 1988 Issued
Array ( [id] => 2476055 [patent_doc_number] => 04886930 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-12-12 [patent_title] => 'Zeolitic para-xylene separation with tetralin heavy desorbent' [patent_app_type] => 1 [patent_app_number] => 7/197787 [patent_app_country] => US [patent_app_date] => 1988-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4605 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/886/04886930.pdf [firstpage_image] =>[orig_patent_app_number] => 197787 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/197787
Zeolitic para-xylene separation with tetralin heavy desorbent May 22, 1988 Issued
Array ( [id] => 2519429 [patent_doc_number] => 04864069 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-09-05 [patent_title] => 'Zeolitic para-xylene separation with diethyltoluene heavy desorbent' [patent_app_type] => 1 [patent_app_number] => 7/197740 [patent_app_country] => US [patent_app_date] => 1988-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4365 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/864/04864069.pdf [firstpage_image] =>[orig_patent_app_number] => 197740 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/197740
Zeolitic para-xylene separation with diethyltoluene heavy desorbent May 22, 1988 Issued
Array ( [id] => 2640254 [patent_doc_number] => 04914257 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-04-03 [patent_title] => 'Method and apparatus for recovering high purity toluene, hexane, titanium tetrachloride and tetrahydrofuran from mixtures' [patent_app_type] => 1 [patent_app_number] => 7/197217 [patent_app_country] => US [patent_app_date] => 1988-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2931 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/914/04914257.pdf [firstpage_image] =>[orig_patent_app_number] => 197217 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/197217
Method and apparatus for recovering high purity toluene, hexane, titanium tetrachloride and tetrahydrofuran from mixtures May 22, 1988 Issued
Array ( [id] => 2652307 [patent_doc_number] => 04961839 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-10-09 [patent_title] => 'High conversion hydrocracking process' [patent_app_type] => 1 [patent_app_number] => 7/197239 [patent_app_country] => US [patent_app_date] => 1988-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 8138 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 284 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/961/04961839.pdf [firstpage_image] =>[orig_patent_app_number] => 197239 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/197239
High conversion hydrocracking process May 22, 1988 Issued
Array ( [id] => 2631551 [patent_doc_number] => 04909928 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-03-20 [patent_title] => 'Coating of solid carbonaceous material with hydrocarbon liquid in process utilizing water containing system for receiving such carbonaceous material therethrough' [patent_app_type] => 1 [patent_app_number] => 7/196902 [patent_app_country] => US [patent_app_date] => 1988-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1697 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/909/04909928.pdf [firstpage_image] =>[orig_patent_app_number] => 196902 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/196902
Coating of solid carbonaceous material with hydrocarbon liquid in process utilizing water containing system for receiving such carbonaceous material therethrough May 19, 1988 Issued
07/195913 PROCESS FOR THE PRODUCTION OF WHITE OIL May 18, 1988 Abandoned
Array ( [id] => 2512306 [patent_doc_number] => 04869809 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-09-26 [patent_title] => 'Aromatics extraction process control' [patent_app_type] => 1 [patent_app_number] => 7/192018 [patent_app_country] => US [patent_app_date] => 1988-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4313 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/869/04869809.pdf [firstpage_image] =>[orig_patent_app_number] => 192018 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/192018
Aromatics extraction process control May 8, 1988 Issued
Array ( [id] => 2510191 [patent_doc_number] => 04863586 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-09-05 [patent_title] => 'Process for recovery of low-temperature carbonization oil' [patent_app_type] => 1 [patent_app_number] => 7/191017 [patent_app_country] => US [patent_app_date] => 1988-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3108 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 431 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/863/04863586.pdf [firstpage_image] =>[orig_patent_app_number] => 191017 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/191017
Process for recovery of low-temperature carbonization oil May 5, 1988 Issued
Array ( [id] => 2613060 [patent_doc_number] => 04968407 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-11-06 [patent_title] => 'Sludge dewatering and destruction within a delayed coking process' [patent_app_type] => 1 [patent_app_number] => 7/185617 [patent_app_country] => US [patent_app_date] => 1988-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2146 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/968/04968407.pdf [firstpage_image] =>[orig_patent_app_number] => 185617 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/185617
Sludge dewatering and destruction within a delayed coking process Apr 24, 1988 Issued
Array ( [id] => 2515954 [patent_doc_number] => 04851606 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-07-25 [patent_title] => 'Control of waste water chemical oxygen demand in an oxygenate to hydrocarbon conversion process' [patent_app_type] => 1 [patent_app_number] => 7/185751 [patent_app_country] => US [patent_app_date] => 1988-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 6612 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/851/04851606.pdf [firstpage_image] =>[orig_patent_app_number] => 185751 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/185751
Control of waste water chemical oxygen demand in an oxygenate to hydrocarbon conversion process Apr 24, 1988 Issued
Array ( [id] => 2740965 [patent_doc_number] => 05015365 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-05-14 [patent_title] => 'Process for removing halogenated hydrocarbons and other solvents from a solvent laden air (SLA) stream' [patent_app_type] => 1 [patent_app_number] => 7/183821 [patent_app_country] => US [patent_app_date] => 1988-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 4179 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 288 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/015/05015365.pdf [firstpage_image] =>[orig_patent_app_number] => 183821 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/183821
Process for removing halogenated hydrocarbons and other solvents from a solvent laden air (SLA) stream Apr 19, 1988 Issued
Array ( [id] => 2526292 [patent_doc_number] => 04877921 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-10-31 [patent_title] => 'Single zone oligomerization of olefins in a super-dense phase turbulent fluid bed' [patent_app_type] => 1 [patent_app_number] => 7/184465 [patent_app_country] => US [patent_app_date] => 1988-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 9921 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/877/04877921.pdf [firstpage_image] =>[orig_patent_app_number] => 184465 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/184465
Single zone oligomerization of olefins in a super-dense phase turbulent fluid bed Apr 19, 1988 Issued
Array ( [id] => 2556612 [patent_doc_number] => 04849091 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-07-18 [patent_title] => 'Partial CO combustion with staged regeneration of catalyst' [patent_app_type] => 1 [patent_app_number] => 7/182812 [patent_app_country] => US [patent_app_date] => 1988-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 8336 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 536 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/849/04849091.pdf [firstpage_image] =>[orig_patent_app_number] => 182812 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/182812
Partial CO combustion with staged regeneration of catalyst Apr 17, 1988 Issued
Array ( [id] => 2553011 [patent_doc_number] => 04853103 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-08-01 [patent_title] => 'Lube catalytic dewaxing-hydrotreating process' [patent_app_type] => 1 [patent_app_number] => 7/179727 [patent_app_country] => US [patent_app_date] => 1988-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4035 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/853/04853103.pdf [firstpage_image] =>[orig_patent_app_number] => 179727 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/179727
Lube catalytic dewaxing-hydrotreating process Apr 10, 1988 Issued
07/183261 METHOD OF AND APPARATUS FOR RECOVERING OIL FROM SOLID HYDROCARBONACEOUS MATERIAL Apr 7, 1988 Abandoned
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