Search

Vivian Chen

Examiner (ID: 9974)

Most Active Art Unit
1773
Art Unit(s)
1316, 1754, 1711, 1773, 1787, 1794, 1509
Total Applications
2200
Issued Applications
1384
Pending Applications
171
Abandoned Applications
602

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 4412038 [patent_doc_number] => 06300512 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-10-09 [patent_title] => 'Method for producing a 1-(3-cyclopentenyloxy-4-alkoxyphenyl)-4-oxocyclohexanecar-bonitrile' [patent_app_type] => 1 [patent_app_number] => 9/486772 [patent_app_country] => US [patent_app_date] => 2000-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2595 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/300/06300512.pdf [firstpage_image] =>[orig_patent_app_number] => 486772 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/486772
Method for producing a 1-(3-cyclopentenyloxy-4-alkoxyphenyl)-4-oxocyclohexanecar-bonitrile Feb 27, 2000 Issued
Array ( [id] => 4241237 [patent_doc_number] => 06166242 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-12-26 [patent_title] => 'Method for producing compounds containing fluorine, in particular fluorobenzaldhydes and fluorobenzonitriles' [patent_app_type] => 1 [patent_app_number] => 9/486517 [patent_app_country] => US [patent_app_date] => 2000-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8519 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 487 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/166/06166242.pdf [firstpage_image] =>[orig_patent_app_number] => 486517 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/486517
Method for producing compounds containing fluorine, in particular fluorobenzaldhydes and fluorobenzonitriles Feb 27, 2000 Issued
Array ( [id] => 4331218 [patent_doc_number] => 06320071 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-11-20 [patent_title] => 'Production of 2-carboxyalkyl (phenyl)phosphinic acid' [patent_app_type] => 1 [patent_app_number] => 9/505833 [patent_app_country] => US [patent_app_date] => 2000-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 4902 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/320/06320071.pdf [firstpage_image] =>[orig_patent_app_number] => 505833 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/505833
Production of 2-carboxyalkyl (phenyl)phosphinic acid Feb 16, 2000 Issued
Array ( [id] => 4385262 [patent_doc_number] => 06294685 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-09-25 [patent_title] => 'Method for gas phase catalytic oxidation of hydrocarbon' [patent_app_type] => 1 [patent_app_number] => 9/462644 [patent_app_country] => US [patent_app_date] => 2000-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6849 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/294/06294685.pdf [firstpage_image] =>[orig_patent_app_number] => 462644 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/462644
Method for gas phase catalytic oxidation of hydrocarbon Feb 2, 2000 Issued
Array ( [id] => 4092741 [patent_doc_number] => 06133468 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-10-17 [patent_title] => 'Method for preparing substituted benzyl bromides' [patent_app_type] => 1 [patent_app_number] => 9/462630 [patent_app_country] => US [patent_app_date] => 2000-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3564 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/133/06133468.pdf [firstpage_image] =>[orig_patent_app_number] => 462630 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/462630
Method for preparing substituted benzyl bromides Jan 10, 2000 Issued
Array ( [id] => 4193032 [patent_doc_number] => 06153783 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-11-28 [patent_title] => 'Method for preparing a difunctional aliphatic organic compound' [patent_app_type] => 1 [patent_app_number] => 9/478555 [patent_app_country] => US [patent_app_date] => 2000-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3471 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/153/06153783.pdf [firstpage_image] =>[orig_patent_app_number] => 478555 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/478555
Method for preparing a difunctional aliphatic organic compound Jan 5, 2000 Issued
Array ( [id] => 4272852 [patent_doc_number] => 06307096 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-10-23 [patent_title] => 'Method for making aliphatic diisocyanates' [patent_app_type] => 1 [patent_app_number] => 9/473097 [patent_app_country] => US [patent_app_date] => 1999-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4859 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/307/06307096.pdf [firstpage_image] =>[orig_patent_app_number] => 473097 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/473097
Method for making aliphatic diisocyanates Dec 27, 1999 Issued
Array ( [id] => 4410967 [patent_doc_number] => 06239309 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-29 [patent_title] => 'Synthesis of an overbased detergent from sludge coming from the production high BN overbased alkylaryl sulfonate or overbased sulfurized alkylphenate' [patent_app_type] => 1 [patent_app_number] => 9/470093 [patent_app_country] => US [patent_app_date] => 1999-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6979 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/239/06239309.pdf [firstpage_image] =>[orig_patent_app_number] => 470093 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/470093
Synthesis of an overbased detergent from sludge coming from the production high BN overbased alkylaryl sulfonate or overbased sulfurized alkylphenate Dec 20, 1999 Issued
Array ( [id] => 4274514 [patent_doc_number] => 06245929 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-06-12 [patent_title] => 'Catalyst composition and method for producing diaryl carbonates, using bisphosphines' [patent_app_type] => 1 [patent_app_number] => 9/466031 [patent_app_country] => US [patent_app_date] => 1999-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4533 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/245/06245929.pdf [firstpage_image] =>[orig_patent_app_number] => 466031 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/466031
Catalyst composition and method for producing diaryl carbonates, using bisphosphines Dec 19, 1999 Issued
Array ( [id] => 4423654 [patent_doc_number] => 06225491 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-01 [patent_title] => 'Method for preparing certain acetonitriles' [patent_app_type] => 1 [patent_app_number] => 9/467157 [patent_app_country] => US [patent_app_date] => 1999-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1992 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 12 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/225/06225491.pdf [firstpage_image] =>[orig_patent_app_number] => 467157 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/467157
Method for preparing certain acetonitriles Dec 19, 1999 Issued
Array ( [id] => 4240957 [patent_doc_number] => 06166223 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-12-26 [patent_title] => 'Process for the preparation of 2,4-dimethylpyrrole' [patent_app_type] => 1 [patent_app_number] => 9/459722 [patent_app_country] => US [patent_app_date] => 1999-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1277 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/166/06166223.pdf [firstpage_image] =>[orig_patent_app_number] => 459722 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/459722
Process for the preparation of 2,4-dimethylpyrrole Dec 12, 1999 Issued
Array ( [id] => 4412407 [patent_doc_number] => 06229022 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-08 [patent_title] => 'Method for producing substituted pyrazoles' [patent_app_type] => 1 [patent_app_number] => 9/445766 [patent_app_country] => US [patent_app_date] => 1999-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2399 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/229/06229022.pdf [firstpage_image] =>[orig_patent_app_number] => 445766 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/445766
Method for producing substituted pyrazoles Dec 12, 1999 Issued
Array ( [id] => 4385248 [patent_doc_number] => 06294684 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-09-25 [patent_title] => 'Method and apparatus for the continuous production of diaryl carbonates' [patent_app_type] => 1 [patent_app_number] => 9/457320 [patent_app_country] => US [patent_app_date] => 1999-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3136 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 304 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/294/06294684.pdf [firstpage_image] =>[orig_patent_app_number] => 457320 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/457320
Method and apparatus for the continuous production of diaryl carbonates Dec 7, 1999 Issued
Array ( [id] => 4240202 [patent_doc_number] => 06143916 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-11-07 [patent_title] => 'Ammoxidation catalyst for use in producing acrylonitrile or methacrylonitrile from propane or isobutane by ammoxidation' [patent_app_type] => 1 [patent_app_number] => 9/453698 [patent_app_country] => US [patent_app_date] => 1999-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 13855 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 271 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/143/06143916.pdf [firstpage_image] =>[orig_patent_app_number] => 453698 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/453698
Ammoxidation catalyst for use in producing acrylonitrile or methacrylonitrile from propane or isobutane by ammoxidation Dec 2, 1999 Issued
Array ( [id] => 4307170 [patent_doc_number] => 06187945 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-13 [patent_title] => 'Process for producing cyanobenzyl compounds' [patent_app_type] => 1 [patent_app_number] => 9/448994 [patent_app_country] => US [patent_app_date] => 1999-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4087 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/187/06187945.pdf [firstpage_image] =>[orig_patent_app_number] => 448994 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/448994
Process for producing cyanobenzyl compounds Nov 23, 1999 Issued
Array ( [id] => 4298478 [patent_doc_number] => 06184383 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-06 [patent_title] => 'Method of producing acetals' [patent_app_type] => 1 [patent_app_number] => 9/442505 [patent_app_country] => US [patent_app_date] => 1999-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4438 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/184/06184383.pdf [firstpage_image] =>[orig_patent_app_number] => 442505 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/442505
Method of producing acetals Nov 17, 1999 Issued
Array ( [id] => 4194685 [patent_doc_number] => 06130347 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-10-10 [patent_title] => 'Preparation of cyanoacetic esters' [patent_app_type] => 1 [patent_app_number] => 9/432204 [patent_app_country] => US [patent_app_date] => 1999-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5904 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/130/06130347.pdf [firstpage_image] =>[orig_patent_app_number] => 432204 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/432204
Preparation of cyanoacetic esters Nov 1, 1999 Issued
Array ( [id] => 4153006 [patent_doc_number] => 06124233 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-09-26 [patent_title] => 'Highly active and selective catalysts for the production of unsaturated nitriles, methods of making and using the same' [patent_app_type] => 1 [patent_app_number] => 9/431744 [patent_app_country] => US [patent_app_date] => 1999-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2423 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/124/06124233.pdf [firstpage_image] =>[orig_patent_app_number] => 431744 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/431744
Highly active and selective catalysts for the production of unsaturated nitriles, methods of making and using the same Oct 31, 1999 Issued
Array ( [id] => 4219550 [patent_doc_number] => 06111114 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-29 [patent_title] => 'Process for the preparation of 4-bromomethyl diphenyl compounds' [patent_app_type] => 1 [patent_app_number] => 9/402667 [patent_app_country] => US [patent_app_date] => 1999-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1518 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/111/06111114.pdf [firstpage_image] =>[orig_patent_app_number] => 402667 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/402667
Process for the preparation of 4-bromomethyl diphenyl compounds Oct 18, 1999 Issued
Array ( [id] => 7640769 [patent_doc_number] => 06395142 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-05-28 [patent_title] => 'Method and apparatus for purifying low grade acetonitrile and other constituents from hazardous waste' [patent_app_type] => B1 [patent_app_number] => 09/419710 [patent_app_country] => US [patent_app_date] => 1999-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4016 [patent_no_of_claims] => 78 [patent_no_of_ind_claims] => 13 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/395/06395142.pdf [firstpage_image] =>[orig_patent_app_number] => 09419710 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/419710
Method and apparatus for purifying low grade acetonitrile and other constituents from hazardous waste Oct 13, 1999 Issued
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