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] => 6382536 [patent_doc_number] => 20020120078 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-08-29 [patent_title] => 'Supported catalyst for ethylene (co)polymerization, preparation and use of the same' [patent_app_type] => new [patent_app_number] => 09/740831 [patent_app_country] => US [patent_app_date] => 2000-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4226 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 27 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0120/20020120078.pdf [firstpage_image] =>[orig_patent_app_number] => 09740831 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/740831
Supported catalyst for ethylene (co)polymerization, preparation and use of the same Dec 20, 2000 Issued
Array ( [id] => 1386402 [patent_doc_number] => 06552138 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-04-22 [patent_title] => 'Resin for flexible sealed containers and containers' [patent_app_type] => B1 [patent_app_number] => 09/719643 [patent_app_country] => US [patent_app_date] => 2000-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4635 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/552/06552138.pdf [firstpage_image] =>[orig_patent_app_number] => 09719643 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/719643
Resin for flexible sealed containers and containers Dec 14, 2000 Issued
Array ( [id] => 1141785 [patent_doc_number] => 06777365 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-08-17 [patent_title] => 'Magnesium compound, olefin polymerization catalyst, and method for producing olefin polymer' [patent_app_type] => B2 [patent_app_number] => 09/732740 [patent_app_country] => US [patent_app_date] => 2000-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13428 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/777/06777365.pdf [firstpage_image] =>[orig_patent_app_number] => 09732740 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/732740
Magnesium compound, olefin polymerization catalyst, and method for producing olefin polymer Dec 10, 2000 Issued
Array ( [id] => 1406301 [patent_doc_number] => 06534608 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-03-18 [patent_title] => 'Support materials for use with polymerization catalysts' [patent_app_type] => B2 [patent_app_number] => 09/731639 [patent_app_country] => US [patent_app_date] => 2000-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10574 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/534/06534608.pdf [firstpage_image] =>[orig_patent_app_number] => 09731639 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/731639
Support materials for use with polymerization catalysts Dec 6, 2000 Issued
Array ( [id] => 6547799 [patent_doc_number] => 20020137861 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-09-26 [patent_title] => 'Polymerization process' [patent_app_type] => new [patent_app_number] => 09/729413 [patent_app_country] => US [patent_app_date] => 2000-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14514 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0137/20020137861.pdf [firstpage_image] =>[orig_patent_app_number] => 09729413 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/729413
Polymerization process Dec 3, 2000 Abandoned
Array ( [id] => 7616927 [patent_doc_number] => 06946514 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-09-20 [patent_title] => 'Adhesive preparation for external use' [patent_app_type] => utility [patent_app_number] => 10/203273 [patent_app_country] => US [patent_app_date] => 2000-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3731 [patent_no_of_claims] => 38 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/946/06946514.pdf [firstpage_image] =>[orig_patent_app_number] => 10203273 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/203273
Adhesive preparation for external use Nov 28, 2000 Issued
Array ( [id] => 6412366 [patent_doc_number] => 20020183194 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-12-05 [patent_title] => 'Lower alpha-alkene polymerisation heterogeneous solid catatyst' [patent_app_type] => new [patent_app_number] => 10/110045 [patent_app_country] => US [patent_app_date] => 2002-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3749 [patent_no_of_claims] => 35 [patent_no_of_ind_claims] => 21 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0183/20020183194.pdf [firstpage_image] =>[orig_patent_app_number] => 10110045 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/110045
Lower α-alkene polymerization heterogeneous solid catalyst Nov 28, 2000 Issued
Array ( [id] => 790681 [patent_doc_number] => 06984703 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-01-10 [patent_title] => 'Bridged metallocene compounds as olefin-polymerization catalysts' [patent_app_type] => utility [patent_app_number] => 10/148571 [patent_app_country] => US [patent_app_date] => 2000-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11473 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 6 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/984/06984703.pdf [firstpage_image] =>[orig_patent_app_number] => 10148571 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/148571
Bridged metallocene compounds as olefin-polymerization catalysts Nov 26, 2000 Issued
Array ( [id] => 1264731 [patent_doc_number] => 06660678 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-12-09 [patent_title] => 'Single-site catalysts for olefin polymerization' [patent_app_type] => B1 [patent_app_number] => 09/716954 [patent_app_country] => US [patent_app_date] => 2000-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5704 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/660/06660678.pdf [firstpage_image] =>[orig_patent_app_number] => 09716954 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/716954
Single-site catalysts for olefin polymerization Nov 20, 2000 Issued
09/646370 Process to make low-molecular weights sma Nov 20, 2000 Abandoned
Array ( [id] => 1470550 [patent_doc_number] => 06407191 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-06-18 [patent_title] => 'Medium density ethylene polymers, a process to prepare these polymers and use of carbonyl group containing chain transfer agents in this process' [patent_app_type] => B1 [patent_app_number] => 09/600093 [patent_app_country] => US [patent_app_date] => 2000-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8305 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/407/06407191.pdf [firstpage_image] =>[orig_patent_app_number] => 09600093 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/600093
Medium density ethylene polymers, a process to prepare these polymers and use of carbonyl group containing chain transfer agents in this process Nov 19, 2000 Issued
Array ( [id] => 1176698 [patent_doc_number] => 06747113 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-06-08 [patent_title] => 'Silica supported transition metal catalyst' [patent_app_type] => B1 [patent_app_number] => 09/715566 [patent_app_country] => US [patent_app_date] => 2000-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16874 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/747/06747113.pdf [firstpage_image] =>[orig_patent_app_number] => 09715566 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/715566
Silica supported transition metal catalyst Nov 16, 2000 Issued
Array ( [id] => 1535492 [patent_doc_number] => 06489428 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-12-03 [patent_title] => 'Titanated chromium-based catalysts to produce polyethylene' [patent_app_type] => B1 [patent_app_number] => 09/712462 [patent_app_country] => US [patent_app_date] => 2000-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7411 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/489/06489428.pdf [firstpage_image] =>[orig_patent_app_number] => 09712462 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/712462
Titanated chromium-based catalysts to produce polyethylene Nov 13, 2000 Issued
Array ( [id] => 1399022 [patent_doc_number] => 06541582 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-04-01 [patent_title] => 'Components and catalysts for the polymerization of olefins' [patent_app_type] => B1 [patent_app_number] => 09/700382 [patent_app_country] => US [patent_app_date] => 2000-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4248 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/541/06541582.pdf [firstpage_image] =>[orig_patent_app_number] => 09700382 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/700382
Components and catalysts for the polymerization of olefins Nov 13, 2000 Issued
Array ( [id] => 782923 [patent_doc_number] => 06992147 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-01-31 [patent_title] => 'Modified polymers prepared with lanthanide-based catalysts' [patent_app_type] => utility [patent_app_number] => 10/296084 [patent_app_country] => US [patent_app_date] => 2000-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9143 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/992/06992147.pdf [firstpage_image] =>[orig_patent_app_number] => 10296084 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/296084
Modified polymers prepared with lanthanide-based catalysts Nov 9, 2000 Issued
Array ( [id] => 7622220 [patent_doc_number] => 06977281 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2005-12-20 [patent_title] => 'Modified polymers prepared with lanthanide-based catalysts' [patent_app_type] => utility [patent_app_number] => 10/296082 [patent_app_country] => US [patent_app_date] => 2000-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7429 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 279 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/977/06977281.pdf [firstpage_image] =>[orig_patent_app_number] => 10296082 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/296082
Modified polymers prepared with lanthanide-based catalysts Nov 9, 2000 Issued
Array ( [id] => 1383000 [patent_doc_number] => 06551957 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-04-22 [patent_title] => 'Catalyst composition and methods for its preparation and use in a polymerization process' [patent_app_type] => B1 [patent_app_number] => 09/710829 [patent_app_country] => US [patent_app_date] => 2000-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17153 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/551/06551957.pdf [firstpage_image] =>[orig_patent_app_number] => 09710829 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/710829
Catalyst composition and methods for its preparation and use in a polymerization process Nov 8, 2000 Issued
Array ( [id] => 1314286 [patent_doc_number] => 06610803 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-08-26 [patent_title] => 'Catalyst composition and methods for its preparation and use in a polymerization process' [patent_app_type] => B1 [patent_app_number] => 09/711335 [patent_app_country] => US [patent_app_date] => 2000-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17158 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/610/06610803.pdf [firstpage_image] =>[orig_patent_app_number] => 09711335 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/711335
Catalyst composition and methods for its preparation and use in a polymerization process Nov 8, 2000 Issued
Array ( [id] => 1382492 [patent_doc_number] => 06555636 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-04-29 [patent_title] => 'Polymerisation catalyst' [patent_app_type] => B1 [patent_app_number] => 09/708062 [patent_app_country] => US [patent_app_date] => 2000-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3486 [patent_no_of_claims] => 17 [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/06/555/06555636.pdf [firstpage_image] =>[orig_patent_app_number] => 09708062 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/708062
Polymerisation catalyst Nov 7, 2000 Issued
Array ( [id] => 1579195 [patent_doc_number] => 06448351 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-09-10 [patent_title] => 'Elastomeric copolymers of ethylene with propylene and process for their preparation' [patent_app_type] => B1 [patent_app_number] => 09/707645 [patent_app_country] => US [patent_app_date] => 2000-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4639 [patent_no_of_claims] => 2 [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/06/448/06448351.pdf [firstpage_image] =>[orig_patent_app_number] => 09707645 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/707645
Elastomeric copolymers of ethylene with propylene and process for their preparation Nov 6, 2000 Issued
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