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] => 931211 [patent_doc_number] => 06979715 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-12-27 [patent_title] => 'Thermoplastic halogenated polymer compositions, method for preparing same and use thereof' [patent_app_type] => utility [patent_app_number] => 10/466560 [patent_app_country] => US [patent_app_date] => 2002-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 6021 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/979/06979715.pdf [firstpage_image] =>[orig_patent_app_number] => 10466560 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/466560
Thermoplastic halogenated polymer compositions, method for preparing same and use thereof Jan 22, 2002 Issued
Array ( [id] => 6788306 [patent_doc_number] => 20030139545 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-07-24 [patent_title] => 'Process for making polyolefin compositions containing exfoliated clay' [patent_app_type] => new [patent_app_number] => 10/055072 [patent_app_country] => US [patent_app_date] => 2002-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4441 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0139/20030139545.pdf [firstpage_image] =>[orig_patent_app_number] => 10055072 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/055072
Process for making polyolefin compositions containing exfoliated clay Jan 22, 2002 Issued
Array ( [id] => 7625360 [patent_doc_number] => 06723809 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-04-20 [patent_title] => 'Bimetal catalyst for the (co) polymerization of -olefins' [patent_app_type] => B1 [patent_app_number] => 09/926214 [patent_app_country] => US [patent_app_date] => 2002-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 10664 [patent_no_of_claims] => 49 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/723/06723809.pdf [firstpage_image] =>[orig_patent_app_number] => 09926214 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/926214
Bimetal catalyst for the (co) polymerization of -olefins Jan 17, 2002 Issued
Array ( [id] => 6415171 [patent_doc_number] => 20020183455 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-12-05 [patent_title] => 'Two-component coating composition and method of preparation' [patent_app_type] => new [patent_app_number] => 10/050199 [patent_app_country] => US [patent_app_date] => 2002-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10625 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 242 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0183/20020183455.pdf [firstpage_image] =>[orig_patent_app_number] => 10050199 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/050199
Two-component coating composition and method of preparation Jan 15, 2002 Issued
Array ( [id] => 7634594 [patent_doc_number] => 06657025 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-12-02 [patent_title] => 'Production of ultra high melt flow polypropylene resins' [patent_app_type] => B2 [patent_app_number] => 10/044886 [patent_app_country] => US [patent_app_date] => 2002-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 7299 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/657/06657025.pdf [firstpage_image] =>[orig_patent_app_number] => 10044886 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/044886
Production of ultra high melt flow polypropylene resins Jan 10, 2002 Issued
Array ( [id] => 6843848 [patent_doc_number] => 20030149195 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-08-07 [patent_title] => 'Free radical retrograde precipitation polymer dispersions' [patent_app_type] => new [patent_app_number] => 10/045881 [patent_app_country] => US [patent_app_date] => 2002-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5514 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0149/20030149195.pdf [firstpage_image] =>[orig_patent_app_number] => 10045881 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/045881
Free radical retrograde precipitation polymer dispersions Jan 10, 2002 Issued
Array ( [id] => 7631204 [patent_doc_number] => 06635728 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-10-21 [patent_title] => 'Preparation of ultra-high-molecular-weight polyethylene' [patent_app_type] => B2 [patent_app_number] => 10/044489 [patent_app_country] => US [patent_app_date] => 2002-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2555 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 8 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/635/06635728.pdf [firstpage_image] =>[orig_patent_app_number] => 10044489 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/044489
Preparation of ultra-high-molecular-weight polyethylene Jan 9, 2002 Issued
Array ( [id] => 1231905 [patent_doc_number] => 06693161 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-02-17 [patent_title] => 'Process for the preparation of random propylene copolymers and products obtained therefrom' [patent_app_type] => B2 [patent_app_number] => 10/037550 [patent_app_country] => US [patent_app_date] => 2002-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4947 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/693/06693161.pdf [firstpage_image] =>[orig_patent_app_number] => 10037550 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/037550
Process for the preparation of random propylene copolymers and products obtained therefrom Jan 3, 2002 Issued
Array ( [id] => 5936847 [patent_doc_number] => 20020061986 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-05-23 [patent_title] => 'Modified copolymer of olefin and cycloolefin' [patent_app_type] => new [patent_app_number] => 10/028285 [patent_app_country] => US [patent_app_date] => 2001-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3735 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 11 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0061/20020061986.pdf [firstpage_image] =>[orig_patent_app_number] => 10028285 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/028285
Modified copolymer of olefin and cycloolefin Dec 27, 2001 Issued
Array ( [id] => 1241316 [patent_doc_number] => 06683139 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-01-27 [patent_title] => 'Process for producing solid product, solid catalyst component, and catalyst for olefin polymerization, and process for producing olefin polymer' [patent_app_type] => B2 [patent_app_number] => 10/025708 [patent_app_country] => US [patent_app_date] => 2001-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9360 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/683/06683139.pdf [firstpage_image] =>[orig_patent_app_number] => 10025708 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/025708
Process for producing solid product, solid catalyst component, and catalyst for olefin polymerization, and process for producing olefin polymer Dec 25, 2001 Issued
Array ( [id] => 1037642 [patent_doc_number] => 06872791 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2005-03-29 [patent_title] => 'Polyolefin nano-composite' [patent_app_type] => utility [patent_app_number] => 10/451454 [patent_app_country] => US [patent_app_date] => 2001-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3594 [patent_no_of_claims] => 7 [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/06/872/06872791.pdf [firstpage_image] =>[orig_patent_app_number] => 10451454 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/451454
Polyolefin nano-composite Dec 21, 2001 Issued
Array ( [id] => 958885 [patent_doc_number] => 06953831 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-10-11 [patent_title] => 'Ethylene polymers' [patent_app_type] => utility [patent_app_number] => 10/450448 [patent_app_country] => US [patent_app_date] => 2001-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 15655 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/953/06953831.pdf [firstpage_image] =>[orig_patent_app_number] => 10450448 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/450448
Ethylene polymers Dec 20, 2001 Issued
Array ( [id] => 6082893 [patent_doc_number] => 20020082365 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-06-27 [patent_title] => 'Organometal catalyst compositions' [patent_app_type] => new [patent_app_number] => 10/037016 [patent_app_country] => US [patent_app_date] => 2001-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 6099 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0082/20020082365.pdf [firstpage_image] =>[orig_patent_app_number] => 10037016 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/037016
Organometal catalyst compositions Dec 20, 2001 Issued
Array ( [id] => 1236309 [patent_doc_number] => 06689849 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-02-10 [patent_title] => 'Catalyst for bulk polymerization, catalyst for vapor phase polymerization, method of polymerization using these, and olefin polymer obtained with these' [patent_app_type] => B1 [patent_app_number] => 10/018478 [patent_app_country] => US [patent_app_date] => 2001-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 12657 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/689/06689849.pdf [firstpage_image] =>[orig_patent_app_number] => 10018478 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/018478
Catalyst for bulk polymerization, catalyst for vapor phase polymerization, method of polymerization using these, and olefin polymer obtained with these Dec 18, 2001 Issued
Array ( [id] => 7281485 [patent_doc_number] => 20040063862 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-04-01 [patent_title] => 'Catalyst obtained by prepolymerization of polyolefin and olefin polymerization method using the same' [patent_app_type] => new [patent_app_number] => 10/450692 [patent_app_country] => US [patent_app_date] => 2003-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5871 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0063/20040063862.pdf [firstpage_image] =>[orig_patent_app_number] => 10450692 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/450692
Catalyst obtained by prepolymerization of polyolefin and olefin polymerization method using the same Dec 14, 2001 Issued
Array ( [id] => 5858672 [patent_doc_number] => 20020122891 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-09-05 [patent_title] => 'Organic-inorganic hybrid polymer materials with compositional gradient, and processes for preparing the same' [patent_app_type] => new [patent_app_number] => 10/014512 [patent_app_country] => US [patent_app_date] => 2001-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 11030 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 11 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0122/20020122891.pdf [firstpage_image] =>[orig_patent_app_number] => 10014512 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/014512
Organic-inorganic hybrid polymer materials with compositional gradient, and processes for preparing the same Dec 13, 2001 Issued
Array ( [id] => 6697425 [patent_doc_number] => 20030109619 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-06-12 [patent_title] => 'Metal nanoparticle thermoset and carbon compositions from mixtures of metallocene-aromatic-acetylene compounds' [patent_app_type] => new [patent_app_number] => 10/006385 [patent_app_country] => US [patent_app_date] => 2001-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 8252 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0109/20030109619.pdf [firstpage_image] =>[orig_patent_app_number] => 10006385 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/006385
Metal nanoparticle thermoset and carbon compositions from mixtures of metallocene-aromatic-acetylene compounds Dec 9, 2001 Issued
Array ( [id] => 6210133 [patent_doc_number] => 20020072569 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-06-13 [patent_title] => 'Polyolefin resin modifier, polyolefin resin composition and oriented polyolefin film' [patent_app_type] => new [patent_app_number] => 10/003105 [patent_app_country] => US [patent_app_date] => 2001-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15279 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0072/20020072569.pdf [firstpage_image] =>[orig_patent_app_number] => 10003105 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/003105
Polyolefin resin modifier, polyolefin resin composition and oriented polyolefin film Dec 5, 2001 Abandoned
09/979238 CATALYST SYSTEM ON THE BASIS OF FULVEN COMPOUNDS Nov 20, 2001 Abandoned
09/993384 Methods and devices for dispersion-controlled transport or processing of polar or polarizable materials Nov 15, 2001 Abandoned
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