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] => 1286888 [patent_doc_number] => 06639031 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-10-28 [patent_title] => 'Coreactive supporting materials for heterogenization of catalysts, cocatalysts and ligands' [patent_app_type] => B1 [patent_app_number] => 09/601035 [patent_app_country] => US [patent_app_date] => 2000-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6075 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/639/06639031.pdf [firstpage_image] =>[orig_patent_app_number] => 09601035 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/601035
Coreactive supporting materials for heterogenization of catalysts, cocatalysts and ligands Sep 11, 2000 Issued
Array ( [id] => 1382447 [patent_doc_number] => 06555633 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-04-29 [patent_title] => 'Catalysts for -olefin production and processes for producing -olefin' [patent_app_type] => B1 [patent_app_number] => 09/623974 [patent_app_country] => US [patent_app_date] => 2000-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8704 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/555/06555633.pdf [firstpage_image] =>[orig_patent_app_number] => 09623974 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/623974
Catalysts for -olefin production and processes for producing -olefin Sep 10, 2000 Issued
Array ( [id] => 7634593 [patent_doc_number] => 06657026 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-12-02 [patent_title] => 'Polymerization catalysts' [patent_app_type] => B1 [patent_app_number] => 09/659589 [patent_app_country] => US [patent_app_date] => 2000-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 12573 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 5 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/657/06657026.pdf [firstpage_image] =>[orig_patent_app_number] => 09659589 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/659589
Polymerization catalysts Sep 10, 2000 Issued
09/623683 Method for producing copolymers from functionalised olefinically unsaturated monomers and non-polar olefinically unsaturated compounds Sep 6, 2000 Abandoned
Array ( [id] => 1440177 [patent_doc_number] => 06495484 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-12-17 [patent_title] => 'Catalyst system and its use in a polymerization process' [patent_app_type] => B1 [patent_app_number] => 09/649746 [patent_app_country] => US [patent_app_date] => 2000-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 13404 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/495/06495484.pdf [firstpage_image] =>[orig_patent_app_number] => 09649746 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/649746
Catalyst system and its use in a polymerization process Aug 27, 2000 Issued
Array ( [id] => 1413399 [patent_doc_number] => 06528604 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-03-04 [patent_title] => 'Reactive silica particles, process for manufacturing the same, use of the same' [patent_app_type] => B1 [patent_app_number] => 09/645934 [patent_app_country] => US [patent_app_date] => 2000-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11203 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/528/06528604.pdf [firstpage_image] =>[orig_patent_app_number] => 09645934 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/645934
Reactive silica particles, process for manufacturing the same, use of the same Aug 24, 2000 Issued
Array ( [id] => 1256661 [patent_doc_number] => 06667380 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-12-23 [patent_title] => 'Catalyst formulation and polymerization processes' [patent_app_type] => B1 [patent_app_number] => 09/643540 [patent_app_country] => US [patent_app_date] => 2000-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 14 [patent_no_of_words] => 9374 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/667/06667380.pdf [firstpage_image] =>[orig_patent_app_number] => 09643540 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/643540
Catalyst formulation and polymerization processes Aug 21, 2000 Issued
Array ( [id] => 1582146 [patent_doc_number] => 06423808 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-07-23 [patent_title] => 'Ethylene--olefin copolymer and composition, and film, laminate and electrical insulating material comprising same' [patent_app_type] => B1 [patent_app_number] => 09/643258 [patent_app_country] => US [patent_app_date] => 2000-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 23035 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/423/06423808.pdf [firstpage_image] =>[orig_patent_app_number] => 09643258 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/643258
Ethylene--olefin copolymer and composition, and film, laminate and electrical insulating material comprising same Aug 21, 2000 Issued
Array ( [id] => 1421874 [patent_doc_number] => 06506859 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-01-14 [patent_title] => 'Polymerization using late transition metal catalyst complexes formed in situ' [patent_app_type] => B1 [patent_app_number] => 09/642487 [patent_app_country] => US [patent_app_date] => 2000-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4693 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 312 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/506/06506859.pdf [firstpage_image] =>[orig_patent_app_number] => 09642487 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/642487
Polymerization using late transition metal catalyst complexes formed in situ Aug 17, 2000 Issued
Array ( [id] => 1399115 [patent_doc_number] => 06541587 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-04-01 [patent_title] => 'Saccharide-derived monomer, method for manufacturing the same and highly-dielectric polymer consisting of the said monomer' [patent_app_type] => B1 [patent_app_number] => 09/641689 [patent_app_country] => US [patent_app_date] => 2000-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6669 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/541/06541587.pdf [firstpage_image] =>[orig_patent_app_number] => 09641689 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/641689
Saccharide-derived monomer, method for manufacturing the same and highly-dielectric polymer consisting of the said monomer Aug 17, 2000 Issued
Array ( [id] => 1256258 [patent_doc_number] => 06667274 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-12-23 [patent_title] => 'Polymerization catalysts' [patent_app_type] => B1 [patent_app_number] => 09/639836 [patent_app_country] => US [patent_app_date] => 2000-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12362 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 15 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/667/06667274.pdf [firstpage_image] =>[orig_patent_app_number] => 09639836 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/639836
Polymerization catalysts Aug 15, 2000 Issued
Array ( [id] => 1421660 [patent_doc_number] => 06515093 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-02-04 [patent_title] => 'Polymers, and novel compositions and films therefrom' [patent_app_type] => B1 [patent_app_number] => 09/636485 [patent_app_country] => US [patent_app_date] => 2000-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2860 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/515/06515093.pdf [firstpage_image] =>[orig_patent_app_number] => 09636485 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/636485
Polymers, and novel compositions and films therefrom Aug 9, 2000 Issued
Array ( [id] => 1454503 [patent_doc_number] => 06462155 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-10-08 [patent_title] => 'Catalyst for olefin polymerization and process for producing olefin polymer with the catalyst' [patent_app_type] => B1 [patent_app_number] => 09/582638 [patent_app_country] => US [patent_app_date] => 2000-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4357 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/462/06462155.pdf [firstpage_image] =>[orig_patent_app_number] => 09582638 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/582638
Catalyst for olefin polymerization and process for producing olefin polymer with the catalyst Aug 2, 2000 Issued
09/631444 Method for producing highly productive supported ionic catalyst for gas phase polymerization Aug 1, 2000 Abandoned
Array ( [id] => 1292289 [patent_doc_number] => 06630551 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-10-07 [patent_title] => 'Catalyst for olefin polymerization and process for producing olefin polymer with the catalyst' [patent_app_type] => B1 [patent_app_number] => 09/600164 [patent_app_country] => US [patent_app_date] => 2000-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10344 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/630/06630551.pdf [firstpage_image] =>[orig_patent_app_number] => 09600164 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/600164
Catalyst for olefin polymerization and process for producing olefin polymer with the catalyst Aug 1, 2000 Issued
Array ( [id] => 1285497 [patent_doc_number] => 06638887 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-10-28 [patent_title] => 'Monocyclopentadienyl metal compounds for ethylene--olefin-copolymer production catalysts' [patent_app_type] => B1 [patent_app_number] => 09/631010 [patent_app_country] => US [patent_app_date] => 2000-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13033 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/638/06638887.pdf [firstpage_image] =>[orig_patent_app_number] => 09631010 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/631010
Monocyclopentadienyl metal compounds for ethylene--olefin-copolymer production catalysts Aug 1, 2000 Issued
Array ( [id] => 1210151 [patent_doc_number] => 06713585 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-03-30 [patent_title] => 'Enhanced-impact LLDPE with a shear modifiable network structure' [patent_app_type] => B1 [patent_app_number] => 09/629280 [patent_app_country] => US [patent_app_date] => 2000-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 10977 [patent_no_of_claims] => 25 [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/06/713/06713585.pdf [firstpage_image] =>[orig_patent_app_number] => 09629280 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/629280
Enhanced-impact LLDPE with a shear modifiable network structure Jul 30, 2000 Issued
Array ( [id] => 1402878 [patent_doc_number] => 06534433 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-03-18 [patent_title] => 'Process for preparing a catalyst support for polymerization of alpha-olefins, and support thus obtained' [patent_app_type] => B1 [patent_app_number] => 09/628685 [patent_app_country] => US [patent_app_date] => 2000-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6136 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/534/06534433.pdf [firstpage_image] =>[orig_patent_app_number] => 09628685 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/628685
Process for preparing a catalyst support for polymerization of alpha-olefins, and support thus obtained Jul 27, 2000 Issued
Array ( [id] => 1341906 [patent_doc_number] => 06590047 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-07-08 [patent_title] => 'Modified copolymer of olefin and cycloolefin' [patent_app_type] => B1 [patent_app_number] => 09/628950 [patent_app_country] => US [patent_app_date] => 2000-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3639 [patent_no_of_claims] => 10 [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/06/590/06590047.pdf [firstpage_image] =>[orig_patent_app_number] => 09628950 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/628950
Modified copolymer of olefin and cycloolefin Jul 27, 2000 Issued
Array ( [id] => 1560639 [patent_doc_number] => 06437061 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-08-20 [patent_title] => 'Magnesium dichloride-alcohol adducts, process for their preparation and catalyst components obtained therefrom' [patent_app_type] => B1 [patent_app_number] => 09/625605 [patent_app_country] => US [patent_app_date] => 2000-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7359 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/437/06437061.pdf [firstpage_image] =>[orig_patent_app_number] => 09625605 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/625605
Magnesium dichloride-alcohol adducts, process for their preparation and catalyst components obtained therefrom Jul 25, 2000 Issued
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