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] => 232896 [patent_doc_number] => 07598322 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2009-10-06 [patent_title] => 'Functionalized polymers and improved tires therefrom' [patent_app_type] => utility [patent_app_number] => 11/189891 [patent_app_country] => US [patent_app_date] => 2005-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5765 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 17 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/598/07598322.pdf [firstpage_image] =>[orig_patent_app_number] => 11189891 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/189891
Functionalized polymers and improved tires therefrom Jul 25, 2005 Issued
Array ( [id] => 588868 [patent_doc_number] => 07439315 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-10-21 [patent_title] => 'Polymer film and method for producing the same' [patent_app_type] => utility [patent_app_number] => 11/186856 [patent_app_country] => US [patent_app_date] => 2005-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 6229 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/439/07439315.pdf [firstpage_image] =>[orig_patent_app_number] => 11186856 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/186856
Polymer film and method for producing the same Jul 21, 2005 Issued
Array ( [id] => 7234655 [patent_doc_number] => 20050256213 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-11-17 [patent_title] => 'Ion conductive film and fuel cell using the same' [patent_app_type] => utility [patent_app_number] => 11/186948 [patent_app_country] => US [patent_app_date] => 2005-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5298 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0256/20050256213.pdf [firstpage_image] =>[orig_patent_app_number] => 11186948 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/186948
Ion conductive film and fuel cell using the same Jul 21, 2005 Issued
Array ( [id] => 5243078 [patent_doc_number] => 20070021573 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-01-25 [patent_title] => 'Supported catalyst for olefin polymerization' [patent_app_type] => utility [patent_app_number] => 11/185126 [patent_app_country] => US [patent_app_date] => 2005-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 9545 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0021/20070021573.pdf [firstpage_image] =>[orig_patent_app_number] => 11185126 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/185126
Supported catalyst for olefin polymerization Jul 19, 2005 Issued
Array ( [id] => 5591635 [patent_doc_number] => 20060041087 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-02-23 [patent_title] => 'Anti-oxidant macromonomers and polymers and methods of making and using the same' [patent_app_type] => utility [patent_app_number] => 11/184716 [patent_app_country] => US [patent_app_date] => 2005-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 10396 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0041/20060041087.pdf [firstpage_image] =>[orig_patent_app_number] => 11184716 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/184716
Anti-oxidant macromonomers and polymers and methods of making and using the same Jul 18, 2005 Abandoned
Array ( [id] => 609695 [patent_doc_number] => 07151145 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-12-19 [patent_title] => 'Process for narrowing short-chain branching distribution in two-step ethylene polymerizations and products' [patent_app_type] => utility [patent_app_number] => 11/180853 [patent_app_country] => US [patent_app_date] => 2005-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3842 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/151/07151145.pdf [firstpage_image] =>[orig_patent_app_number] => 11180853 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/180853
Process for narrowing short-chain branching distribution in two-step ethylene polymerizations and products Jul 12, 2005 Issued
Array ( [id] => 102526 [patent_doc_number] => 07723255 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-05-25 [patent_title] => 'Recyclable metathesis catalysts' [patent_app_type] => utility [patent_app_number] => 11/178884 [patent_app_country] => US [patent_app_date] => 2005-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 15176 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 9 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/723/07723255.pdf [firstpage_image] =>[orig_patent_app_number] => 11178884 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/178884
Recyclable metathesis catalysts Jul 10, 2005 Issued
Array ( [id] => 267154 [patent_doc_number] => 07566679 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-07-28 [patent_title] => 'Cocatalyst for the production of linear alpha-olefins' [patent_app_type] => utility [patent_app_number] => 11/660557 [patent_app_country] => US [patent_app_date] => 2005-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 797 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/566/07566679.pdf [firstpage_image] =>[orig_patent_app_number] => 11660557 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/660557
Cocatalyst for the production of linear alpha-olefins Jul 6, 2005 Issued
Array ( [id] => 4474991 [patent_doc_number] => 07867939 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-01-11 [patent_title] => 'Catalyst for ethylene polymerization, preparation thereof, and method for controlling the polymerization kinetic behavior of said catalyst' [patent_app_type] => utility [patent_app_number] => 11/630207 [patent_app_country] => US [patent_app_date] => 2005-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 7505 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/867/07867939.pdf [firstpage_image] =>[orig_patent_app_number] => 11630207 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/630207
Catalyst for ethylene polymerization, preparation thereof, and method for controlling the polymerization kinetic behavior of said catalyst Jun 23, 2005 Issued
Array ( [id] => 4792924 [patent_doc_number] => 20080293898 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-11-27 [patent_title] => 'Catalyst for Olefin Polymerization and Polymerization Method Using the Same' [patent_app_type] => utility [patent_app_number] => 11/658474 [patent_app_country] => US [patent_app_date] => 2005-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15290 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0293/20080293898.pdf [firstpage_image] =>[orig_patent_app_number] => 11658474 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/658474
Catalyst for Olefin Polymerization and Polymerization Method Using the Same Jun 23, 2005 Abandoned
Array ( [id] => 494507 [patent_doc_number] => 07211636 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-05-01 [patent_title] => 'Ionic compound, resin composition containing the same and use thereof' [patent_app_type] => utility [patent_app_number] => 11/157972 [patent_app_country] => US [patent_app_date] => 2005-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2545 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/211/07211636.pdf [firstpage_image] =>[orig_patent_app_number] => 11157972 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/157972
Ionic compound, resin composition containing the same and use thereof Jun 21, 2005 Issued
Array ( [id] => 411744 [patent_doc_number] => 07282546 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-10-16 [patent_title] => 'Cocatalysts for reduction of production problems in metallocene-catalyzed polymerizations' [patent_app_type] => utility [patent_app_number] => 11/158454 [patent_app_country] => US [patent_app_date] => 2005-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8516 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/282/07282546.pdf [firstpage_image] =>[orig_patent_app_number] => 11158454 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/158454
Cocatalysts for reduction of production problems in metallocene-catalyzed polymerizations Jun 21, 2005 Issued
Array ( [id] => 4734556 [patent_doc_number] => 20080051536 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-02-28 [patent_title] => 'Method for Producing (Co) Polymer Having Carboxyl Group' [patent_app_type] => utility [patent_app_number] => 11/632221 [patent_app_country] => US [patent_app_date] => 2005-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 7980 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0051/20080051536.pdf [firstpage_image] =>[orig_patent_app_number] => 11632221 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/632221
Method for Producing (Co) Polymer Having Carboxyl Group Jun 20, 2005 Abandoned
Array ( [id] => 456921 [patent_doc_number] => 07244794 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-07-17 [patent_title] => 'Method for producing propylene polymer having a very high melt-flowability' [patent_app_type] => utility [patent_app_number] => 11/157262 [patent_app_country] => US [patent_app_date] => 2005-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4838 [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/07/244/07244794.pdf [firstpage_image] =>[orig_patent_app_number] => 11157262 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/157262
Method for producing propylene polymer having a very high melt-flowability Jun 20, 2005 Issued
Array ( [id] => 281896 [patent_doc_number] => 07553896 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-06-30 [patent_title] => 'Ortho-nitrosophenols as polymerization inhibitors' [patent_app_type] => utility [patent_app_number] => 11/156214 [patent_app_country] => US [patent_app_date] => 2005-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6597 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/553/07553896.pdf [firstpage_image] =>[orig_patent_app_number] => 11156214 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/156214
Ortho-nitrosophenols as polymerization inhibitors Jun 16, 2005 Issued
Array ( [id] => 162776 [patent_doc_number] => 07671124 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-03-02 [patent_title] => 'Hydrotalcite and synthetic resin composition' [patent_app_type] => utility [patent_app_number] => 10/548864 [patent_app_country] => US [patent_app_date] => 2005-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9488 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/671/07671124.pdf [firstpage_image] =>[orig_patent_app_number] => 10548864 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/548864
Hydrotalcite and synthetic resin composition Jun 13, 2005 Issued
Array ( [id] => 5643424 [patent_doc_number] => 20060281879 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-12-14 [patent_title] => 'Catalyst compositions comprising small silica support materials and methods of use in polymerization reactions' [patent_app_type] => utility [patent_app_number] => 11/151097 [patent_app_country] => US [patent_app_date] => 2005-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 13194 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0281/20060281879.pdf [firstpage_image] =>[orig_patent_app_number] => 11151097 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/151097
Catalyst compositions comprising small silica support materials and methods of use in polymerization reactions Jun 12, 2005 Abandoned
Array ( [id] => 113032 [patent_doc_number] => 07714091 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-05-11 [patent_title] => 'Catalyst comprising chromium and zirconium for the polymerization and/or copolymerization of olefins' [patent_app_type] => utility [patent_app_number] => 11/629102 [patent_app_country] => US [patent_app_date] => 2005-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15390 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/714/07714091.pdf [firstpage_image] =>[orig_patent_app_number] => 11629102 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/629102
Catalyst comprising chromium and zirconium for the polymerization and/or copolymerization of olefins Jun 8, 2005 Issued
Array ( [id] => 4734552 [patent_doc_number] => 20080051532 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-02-28 [patent_title] => 'Process for Preparing a Chromium-Based Catalyst for the Polymerization and/or Copolymerization of Olefins' [patent_app_type] => utility [patent_app_number] => 11/628827 [patent_app_country] => US [patent_app_date] => 2005-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14449 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0051/20080051532.pdf [firstpage_image] =>[orig_patent_app_number] => 11628827 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/628827
Process for preparing a chromium-based catalyst for the polymerization and/or copolymerization of olefins Jun 8, 2005 Issued
Array ( [id] => 853091 [patent_doc_number] => 07378476 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-05-27 [patent_title] => 'Olefin polymerization process in the presence of a radical generating system' [patent_app_type] => utility [patent_app_number] => 11/147530 [patent_app_country] => US [patent_app_date] => 2005-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7580 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/378/07378476.pdf [firstpage_image] =>[orig_patent_app_number] => 11147530 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/147530
Olefin polymerization process in the presence of a radical generating system Jun 7, 2005 Issued
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