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] => 3625968 [patent_doc_number] => 05602291 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-02-11 [patent_title] => 'Process for isomerizing C.sub.5 /C.sub.6 normal paraffins with recycling normal paraffins and methyl-pentanes' [patent_app_type] => 1 [patent_app_number] => 8/261031 [patent_app_country] => US [patent_app_date] => 1994-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 4142 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 302 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/602/05602291.pdf [firstpage_image] =>[orig_patent_app_number] => 261031 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/261031
Process for isomerizing C.sub.5 /C.sub.6 normal paraffins with recycling normal paraffins and methyl-pentanes Jun 13, 1994 Issued
Array ( [id] => 3528138 [patent_doc_number] => 05541272 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-07-30 [patent_title] => 'High activity ethylene selective metallocenes' [patent_app_type] => 1 [patent_app_number] => 8/253765 [patent_app_country] => US [patent_app_date] => 1994-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2935 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/541/05541272.pdf [firstpage_image] =>[orig_patent_app_number] => 253765 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/253765
High activity ethylene selective metallocenes Jun 2, 1994 Issued
Array ( [id] => 3860269 [patent_doc_number] => 05837129 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-11-17 [patent_title] => 'Process and apparatus for separating fluidized cracking catalysts from hydrocarbon vapor' [patent_app_type] => 1 [patent_app_number] => 8/237224 [patent_app_country] => US [patent_app_date] => 1994-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3396 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/837/05837129.pdf [firstpage_image] =>[orig_patent_app_number] => 237224 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/237224
Process and apparatus for separating fluidized cracking catalysts from hydrocarbon vapor May 1, 1994 Issued
Array ( [id] => 3620838 [patent_doc_number] => 05641723 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-06-24 [patent_title] => 'Process for the preparation of highly active doped metal supported catalysts' [patent_app_type] => 1 [patent_app_number] => 8/129183 [patent_app_country] => US [patent_app_date] => 1994-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 10223 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/641/05641723.pdf [firstpage_image] =>[orig_patent_app_number] => 129183 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/129183
Process for the preparation of highly active doped metal supported catalysts Mar 7, 1994 Issued
Array ( [id] => 3691140 [patent_doc_number] => 05604170 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-02-18 [patent_title] => 'Solid catalyst components for olefin polemerization and use thereof' [patent_app_type] => 1 [patent_app_number] => 8/199561 [patent_app_country] => US [patent_app_date] => 1994-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21188 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/604/05604170.pdf [firstpage_image] =>[orig_patent_app_number] => 199561 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/199561
Solid catalyst components for olefin polemerization and use thereof Feb 21, 1994 Issued
08/163311 SELECTIVE HYDROGENATION OF HIGHLY UNSATURATED COMPOUNDS IN HYDROCARBON STREAMS Dec 7, 1993 Abandoned
Array ( [id] => 4017139 [patent_doc_number] => 05880325 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-03-09 [patent_title] => 'Aromatics extraction from hydrocarbon oil using tetramethylene sulfoxide' [patent_app_type] => 1 [patent_app_number] => 8/116932 [patent_app_country] => US [patent_app_date] => 1993-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1565 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/880/05880325.pdf [firstpage_image] =>[orig_patent_app_number] => 116932 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/116932
Aromatics extraction from hydrocarbon oil using tetramethylene sulfoxide Sep 6, 1993 Issued
Array ( [id] => 3578313 [patent_doc_number] => 05523512 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-06-04 [patent_title] => 'Copper (I) carboxylate-containing olefin complexing reagents' [patent_app_type] => 1 [patent_app_number] => 8/082223 [patent_app_country] => US [patent_app_date] => 1993-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2980 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/523/05523512.pdf [firstpage_image] =>[orig_patent_app_number] => 082223 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/082223
Copper (I) carboxylate-containing olefin complexing reagents Jun 23, 1993 Issued
Array ( [id] => 3420848 [patent_doc_number] => 05434330 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-07-18 [patent_title] => 'Process and apparatus for separation of constituents of gases using gas hydrates' [patent_app_type] => 1 [patent_app_number] => 8/081672 [patent_app_country] => US [patent_app_date] => 1993-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 8864 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/434/05434330.pdf [firstpage_image] =>[orig_patent_app_number] => 081672 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/081672
Process and apparatus for separation of constituents of gases using gas hydrates Jun 22, 1993 Issued
Array ( [id] => 3697694 [patent_doc_number] => 05677259 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-10-14 [patent_title] => 'Gas oil desulfurization catalyst and desulfurization method' [patent_app_type] => 1 [patent_app_number] => 8/074380 [patent_app_country] => US [patent_app_date] => 1993-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3802 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/677/05677259.pdf [firstpage_image] =>[orig_patent_app_number] => 074380 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/074380
Gas oil desulfurization catalyst and desulfurization method Jun 9, 1993 Issued
Array ( [id] => 3663465 [patent_doc_number] => 05599587 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-02-04 [patent_title] => 'Phosphoric acid esters and their use in the preparation of biocompatible surfaces' [patent_app_type] => 1 [patent_app_number] => 8/050167 [patent_app_country] => US [patent_app_date] => 1993-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9506 [patent_no_of_claims] => 39 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/599/05599587.pdf [firstpage_image] =>[orig_patent_app_number] => 050167 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/050167
Phosphoric acid esters and their use in the preparation of biocompatible surfaces Apr 29, 1993 Issued
07/990335 ISOPARAFFIN-OLEFIN ALKYLATION Dec 10, 1992 Abandoned
Array ( [id] => 3755184 [patent_doc_number] => 05843536 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-12-01 [patent_title] => 'Coating material dispensing and charging system' [patent_app_type] => 1 [patent_app_number] => 7/985615 [patent_app_country] => US [patent_app_date] => 1992-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 31 [patent_no_of_words] => 10278 [patent_no_of_claims] => 48 [patent_no_of_ind_claims] => 11 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/843/05843536.pdf [firstpage_image] =>[orig_patent_app_number] => 985615 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/985615
Coating material dispensing and charging system Dec 2, 1992 Issued
Array ( [id] => 3697153 [patent_doc_number] => 05679878 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-10-21 [patent_title] => 'Process for dehydrogenation of alkyl aromatic compounds' [patent_app_type] => 1 [patent_app_number] => 7/967517 [patent_app_country] => US [patent_app_date] => 1992-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2596 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/679/05679878.pdf [firstpage_image] =>[orig_patent_app_number] => 967517 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/967517
Process for dehydrogenation of alkyl aromatic compounds Oct 27, 1992 Issued
07/922270 CATALYTIC PROCESS FOR THE SELECTIVE ALKYLATION OF POLYCYCLIC AROMATIC COMPOUNDS Jul 29, 1992 Abandoned
07/789013 METHOD AND DEVICE FOR PRODUCING A SOLID FUEL FROM COMBUSTIBLE WASTE Nov 6, 1991 Abandoned
07/775776 ISOMERIZATION OF ALKENYL BRIDGED RING COMPOUNDS TO ALKYLIDENE BRIDGED RING COMPOUNDS Oct 10, 1991 Abandoned
Array ( [id] => 3868404 [patent_doc_number] => 05837639 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-11-17 [patent_title] => 'Hydroprocessing catalyst' [patent_app_type] => 1 [patent_app_number] => 7/734998 [patent_app_country] => US [patent_app_date] => 1991-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21542 [patent_no_of_claims] => 35 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/837/05837639.pdf [firstpage_image] =>[orig_patent_app_number] => 734998 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/734998
Hydroprocessing catalyst Jul 23, 1991 Issued
Array ( [id] => 2627817 [patent_doc_number] => 04956522 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-11 [patent_title] => 'Zeolitic para-ethyltoluene separation with tetralin heavy desorbent' [patent_app_type] => 1 [patent_app_number] => 7/439058 [patent_app_country] => US [patent_app_date] => 1989-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4406 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/956/04956522.pdf [firstpage_image] =>[orig_patent_app_number] => 439058 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/439058
Zeolitic para-ethyltoluene separation with tetralin heavy desorbent Nov 19, 1989 Issued
Array ( [id] => 2592151 [patent_doc_number] => 04975181 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-12-04 [patent_title] => 'Process and apparatus for ethylene production' [patent_app_type] => 1 [patent_app_number] => 7/433972 [patent_app_country] => US [patent_app_date] => 1989-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3638 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/975/04975181.pdf [firstpage_image] =>[orig_patent_app_number] => 433972 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/433972
Process and apparatus for ethylene production Nov 8, 1989 Issued
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