Search

Ling Siu Choi

Supervisory Patent Examiner (ID: 12436, Phone: (571)272-1098 , Office: P/1763 )

Most Active Art Unit
1713
Art Unit(s)
1762, 1713, 1763, 1714, 1796
Total Applications
1478
Issued Applications
1218
Pending Applications
36
Abandoned Applications
224

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 6835379 [patent_doc_number] => 20030162925 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-08-28 [patent_title] => 'Polymer compositions' [patent_app_type] => new [patent_app_number] => 10/120919 [patent_app_country] => US [patent_app_date] => 2002-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3239 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 25 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0162/20030162925.pdf [firstpage_image] =>[orig_patent_app_number] => 10120919 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/120919
Polymer compositions Apr 10, 2002 Abandoned
Array ( [id] => 7226279 [patent_doc_number] => 20050261445 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-11-24 [patent_title] => 'Method for hydrogenation of polymers in dispersed medium' [patent_app_type] => utility [patent_app_number] => 10/510830 [patent_app_country] => US [patent_app_date] => 2002-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3385 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0261/20050261445.pdf [firstpage_image] =>[orig_patent_app_number] => 10510830 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/510830
Method for hydrogenation of polymers in dispersed medium Apr 10, 2002 Issued
Array ( [id] => 6835371 [patent_doc_number] => 20030162917 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-08-28 [patent_title] => 'Heterogeneous chromium catalysts and processes of polymerization of olefins using same' [patent_app_type] => new [patent_app_number] => 10/120289 [patent_app_country] => US [patent_app_date] => 2002-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18443 [patent_no_of_claims] => 55 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0162/20030162917.pdf [firstpage_image] =>[orig_patent_app_number] => 10120289 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/120289
Heterogeneous chromium catalysts and processes of polymerization of olefins using same Apr 9, 2002 Issued
Array ( [id] => 6856610 [patent_doc_number] => 20030130111 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-07-10 [patent_title] => 'Coordination catalyst systems employing chromium support-agglomerate and method of their preparation' [patent_app_type] => new [patent_app_number] => 10/120314 [patent_app_country] => US [patent_app_date] => 2002-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 37428 [patent_no_of_claims] => 62 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 25 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0130/20030130111.pdf [firstpage_image] =>[orig_patent_app_number] => 10120314 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/120314
Coordination catalyst systems employing chromium support-agglomerate and method of their preparation Apr 9, 2002 Issued
Array ( [id] => 6452543 [patent_doc_number] => 20020177685 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-11-28 [patent_title] => 'Methods and materials for fabrication of alumoxane polymers' [patent_app_type] => new [patent_app_number] => 10/119371 [patent_app_country] => US [patent_app_date] => 2002-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 22 [patent_no_of_words] => 13212 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 9 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0177/20020177685.pdf [firstpage_image] =>[orig_patent_app_number] => 10119371 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/119371
Methods and materials for fabrication of alumoxane polymers Apr 7, 2002 Abandoned
Array ( [id] => 1027609 [patent_doc_number] => 06881447 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-04-19 [patent_title] => 'Chemically and electrically stabilized polymer films' [patent_app_type] => utility [patent_app_number] => 10/116724 [patent_app_country] => US [patent_app_date] => 2002-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 9918 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/881/06881447.pdf [firstpage_image] =>[orig_patent_app_number] => 10116724 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/116724
Chemically and electrically stabilized polymer films Apr 3, 2002 Issued
Array ( [id] => 1113443 [patent_doc_number] => 06799568 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-10-05 [patent_title] => 'Process for the preparation of a catalyst component for the polymerization of an olefin' [patent_app_type] => B2 [patent_app_number] => 10/106795 [patent_app_country] => US [patent_app_date] => 2002-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 7406 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/799/06799568.pdf [firstpage_image] =>[orig_patent_app_number] => 10106795 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/106795
Process for the preparation of a catalyst component for the polymerization of an olefin Mar 26, 2002 Issued
10/089213 Catalyst for asymmetrical transfer hydrogenation Mar 24, 2002 Abandoned
Array ( [id] => 972277 [patent_doc_number] => 06936662 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-08-30 [patent_title] => 'Polyvinyl acetal resin for coating and ink, and coating and ink compositions' [patent_app_type] => utility [patent_app_number] => 10/473296 [patent_app_country] => US [patent_app_date] => 2002-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4202 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/936/06936662.pdf [firstpage_image] =>[orig_patent_app_number] => 10473296 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/473296
Polyvinyl acetal resin for coating and ink, and coating and ink compositions Mar 24, 2002 Issued
Array ( [id] => 7469770 [patent_doc_number] => 20040167293 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-08-26 [patent_title] => 'Method for cross-linking a polymer article' [patent_app_type] => new [patent_app_number] => 10/476518 [patent_app_country] => US [patent_app_date] => 2004-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 5095 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 15 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0167/20040167293.pdf [firstpage_image] =>[orig_patent_app_number] => 10476518 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/476518
Method for cross-linking a polymer article Mar 20, 2002 Issued
Array ( [id] => 1043841 [patent_doc_number] => 06867275 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-03-15 [patent_title] => 'Solid media' [patent_app_type] => utility [patent_app_number] => 10/097258 [patent_app_country] => US [patent_app_date] => 2002-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11654 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/867/06867275.pdf [firstpage_image] =>[orig_patent_app_number] => 10097258 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/097258
Solid media Mar 14, 2002 Issued
Array ( [id] => 755074 [patent_doc_number] => 07019097 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-03-28 [patent_title] => 'Process for the (co)polymerization of ethylene' [patent_app_type] => utility [patent_app_number] => 10/471497 [patent_app_country] => US [patent_app_date] => 2002-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5731 [patent_no_of_claims] => 13 [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/07/019/07019097.pdf [firstpage_image] =>[orig_patent_app_number] => 10471497 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/471497
Process for the (co)polymerization of ethylene Mar 10, 2002 Issued
Array ( [id] => 1275291 [patent_doc_number] => 06649723 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-11-18 [patent_title] => 'Vinylcyclohexane-based polymers' [patent_app_type] => B1 [patent_app_number] => 10/009034 [patent_app_country] => US [patent_app_date] => 2002-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4095 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/649/06649723.pdf [firstpage_image] =>[orig_patent_app_number] => 10009034 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/009034
Vinylcyclohexane-based polymers Mar 3, 2002 Issued
Array ( [id] => 1206260 [patent_doc_number] => 06716940 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-04-06 [patent_title] => 'Catalyst for the polymerization of olefins' [patent_app_type] => B1 [patent_app_number] => 10/070120 [patent_app_country] => US [patent_app_date] => 2002-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8783 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/716/06716940.pdf [firstpage_image] =>[orig_patent_app_number] => 10070120 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/070120
Catalyst for the polymerization of olefins Feb 27, 2002 Issued
Array ( [id] => 6441412 [patent_doc_number] => 20020128404 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-09-12 [patent_title] => 'Polymerization process utilizing organometal catalyst compositions and the polymer produced thereby' [patent_app_type] => new [patent_app_number] => 10/085931 [patent_app_country] => US [patent_app_date] => 2002-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7805 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 23 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0128/20020128404.pdf [firstpage_image] =>[orig_patent_app_number] => 10085931 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/085931
Polymerization process utilizing organometal catalyst compositions and the polymer produced thereby Feb 27, 2002 Issued
Array ( [id] => 5845874 [patent_doc_number] => 20020132941 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-09-19 [patent_title] => 'Optimized method for the production of catalyst supports based on silica gel and chromium catalysts supported on silica gel' [patent_app_type] => new [patent_app_number] => 10/087012 [patent_app_country] => US [patent_app_date] => 2002-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2893 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0132/20020132941.pdf [firstpage_image] =>[orig_patent_app_number] => 10087012 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/087012
Optimized method for the production of catalyst supports based on silica gel and chromium catalysts supported on silica gel Feb 27, 2002 Issued
Array ( [id] => 6674979 [patent_doc_number] => 20030060582 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-03-27 [patent_title] => 'Powders of silica-oxide and mixed silica-oxide and method of preparing same' [patent_app_type] => new [patent_app_number] => 10/084299 [patent_app_country] => US [patent_app_date] => 2002-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14968 [patent_no_of_claims] => 35 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0060/20030060582.pdf [firstpage_image] =>[orig_patent_app_number] => 10084299 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/084299
Powders of silica-oxide and mixed silica-oxide and method of preparing same Feb 26, 2002 Abandoned
Array ( [id] => 6861850 [patent_doc_number] => 20030092858 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-05-15 [patent_title] => 'Powders of silica-oxide and mixed silica-oxide and method of preparing same' [patent_app_type] => new [patent_app_number] => 10/083797 [patent_app_country] => US [patent_app_date] => 2002-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15038 [patent_no_of_claims] => 35 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0092/20030092858.pdf [firstpage_image] =>[orig_patent_app_number] => 10083797 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/083797
Powders of silica-oxide and mixed silica-oxide and method of preparing same Feb 26, 2002 Abandoned
Array ( [id] => 6475486 [patent_doc_number] => 20020151637 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-10-17 [patent_title] => 'Polymeric structural support membrane' [patent_app_type] => new [patent_app_number] => 10/068124 [patent_app_country] => US [patent_app_date] => 2002-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4928 [patent_no_of_claims] => 41 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0151/20020151637.pdf [firstpage_image] =>[orig_patent_app_number] => 10068124 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/068124
Polymeric structural support membrane Feb 4, 2002 Abandoned
Array ( [id] => 1080886 [patent_doc_number] => 06835792 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-12-28 [patent_title] => 'Solventless nontoxic high refractive index and low birefringence organic/inorganic hybrid materials' [patent_app_type] => B2 [patent_app_number] => 10/058324 [patent_app_country] => US [patent_app_date] => 2002-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2265 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/835/06835792.pdf [firstpage_image] =>[orig_patent_app_number] => 10058324 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/058324
Solventless nontoxic high refractive index and low birefringence organic/inorganic hybrid materials Jan 29, 2002 Issued
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