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] => 6725671 [patent_doc_number] => 20030207983 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-11-06 [patent_title] => 'Block copolymer, process for producing the same, and molded object' [patent_app_type] => new [patent_app_number] => 10/333906 [patent_app_country] => US [patent_app_date] => 2003-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 23612 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0207/20030207983.pdf [firstpage_image] =>[orig_patent_app_number] => 10333906 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/333906
Block copolymer, process for producing the same, and molded object Aug 5, 2001 Issued
Array ( [id] => 1040724 [patent_doc_number] => 06870022 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-03-22 [patent_title] => 'Process for producing α-olefin polymer' [patent_app_type] => utility [patent_app_number] => 10/333924 [patent_app_country] => US [patent_app_date] => 2001-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14689 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/870/06870022.pdf [firstpage_image] =>[orig_patent_app_number] => 10333924 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/333924
Process for producing α-olefin polymer Jul 25, 2001 Issued
Array ( [id] => 6441541 [patent_doc_number] => 20020128416 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-09-12 [patent_title] => 'Process for continuous polymerization with micromixing of reactive fluids' [patent_app_type] => new [patent_app_number] => 09/911708 [patent_app_country] => US [patent_app_date] => 2001-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 7851 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 18 [patent_words_short_claim] => 20 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0128/20020128416.pdf [firstpage_image] =>[orig_patent_app_number] => 09911708 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/911708
Process for continuous polymerization with micromixing of reactive fluids Jul 24, 2001 Issued
Array ( [id] => 7402685 [patent_doc_number] => 20040019156 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-01-29 [patent_title] => 'Transformation of polymers to useful chemicals oxidation' [patent_app_type] => new [patent_app_number] => 10/333646 [patent_app_country] => US [patent_app_date] => 2003-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8101 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0019/20040019156.pdf [firstpage_image] =>[orig_patent_app_number] => 10333646 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/333646
Transformation of polymers to useful chemicals oxidation Jul 24, 2001 Issued
Array ( [id] => 1265480 [patent_doc_number] => 06660817 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-12-09 [patent_title] => 'Process for the polymerization of ethylene and interpolymers thereof' [patent_app_type] => B2 [patent_app_number] => 09/912148 [patent_app_country] => US [patent_app_date] => 2001-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5637 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/660/06660817.pdf [firstpage_image] =>[orig_patent_app_number] => 09912148 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/912148
Process for the polymerization of ethylene and interpolymers thereof Jul 23, 2001 Issued
Array ( [id] => 1279604 [patent_doc_number] => 06646073 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-11-11 [patent_title] => 'Process for the polymerization of ethylene and interpolymers thereof' [patent_app_type] => B2 [patent_app_number] => 09/912171 [patent_app_country] => US [patent_app_date] => 2001-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5537 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/646/06646073.pdf [firstpage_image] =>[orig_patent_app_number] => 09912171 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/912171
Process for the polymerization of ethylene and interpolymers thereof Jul 23, 2001 Issued
Array ( [id] => 7631206 [patent_doc_number] => 06635726 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-10-21 [patent_title] => 'Process for the polymerization of ethylene and interpolymers thereof' [patent_app_type] => B2 [patent_app_number] => 09/912141 [patent_app_country] => US [patent_app_date] => 2001-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4165 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/635/06635726.pdf [firstpage_image] =>[orig_patent_app_number] => 09912141 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/912141
Process for the polymerization of ethylene and interpolymers thereof Jul 23, 2001 Issued
09/831849 Practical device for controlling ultrasmall volume flow Jul 18, 2001 Abandoned
Array ( [id] => 792976 [patent_doc_number] => 06982028 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-01-03 [patent_title] => 'Surface charge modification within preformed polymer microchannels with multiple applications including modulating electroosmotic flow and creating microarrays' [patent_app_type] => utility [patent_app_number] => 09/905566 [patent_app_country] => US [patent_app_date] => 2001-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 27 [patent_no_of_words] => 3946 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/982/06982028.pdf [firstpage_image] =>[orig_patent_app_number] => 09905566 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/905566
Surface charge modification within preformed polymer microchannels with multiple applications including modulating electroosmotic flow and creating microarrays Jul 12, 2001 Issued
Array ( [id] => 1417910 [patent_doc_number] => 06512061 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-01-28 [patent_title] => 'Process for producing polypropylene or propylene random copolymer' [patent_app_type] => B1 [patent_app_number] => 09/889223 [patent_app_country] => US [patent_app_date] => 2001-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 7626 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/512/06512061.pdf [firstpage_image] =>[orig_patent_app_number] => 09889223 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/889223
Process for producing polypropylene or propylene random copolymer Jul 12, 2001 Issued
Array ( [id] => 729057 [patent_doc_number] => 07041763 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-05-09 [patent_title] => 'Photochromic polymers and methods of synthesizing same' [patent_app_type] => utility [patent_app_number] => 10/332944 [patent_app_country] => US [patent_app_date] => 2001-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5561 [patent_no_of_claims] => 44 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 7 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/041/07041763.pdf [firstpage_image] =>[orig_patent_app_number] => 10332944 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/332944
Photochromic polymers and methods of synthesizing same Jul 12, 2001 Issued
Array ( [id] => 1380008 [patent_doc_number] => 06559253 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-05-06 [patent_title] => 'High temperature olefin polymerization process' [patent_app_type] => B2 [patent_app_number] => 09/902125 [patent_app_country] => US [patent_app_date] => 2001-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5582 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/559/06559253.pdf [firstpage_image] =>[orig_patent_app_number] => 09902125 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/902125
High temperature olefin polymerization process Jul 9, 2001 Issued
Array ( [id] => 7405645 [patent_doc_number] => 20040024103 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-02-05 [patent_title] => 'Syndiotactic polystyrene nanocomposite and manufacturing method thereof' [patent_app_type] => new [patent_app_number] => 10/332728 [patent_app_country] => US [patent_app_date] => 2003-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5986 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0024/20040024103.pdf [firstpage_image] =>[orig_patent_app_number] => 10332728 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/332728
Syndiotactic polystyrene nanocomposite and manufacturing method thereof Jun 28, 2001 Issued
Array ( [id] => 6600326 [patent_doc_number] => 20020042490 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-04-11 [patent_title] => 'High density polyethylene barrier grade resins and films, methods for making same' [patent_app_type] => new [patent_app_number] => 09/896916 [patent_app_country] => US [patent_app_date] => 2001-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4470 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0042/20020042490.pdf [firstpage_image] =>[orig_patent_app_number] => 09896916 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/896916
High density polyethylene barrier grade resins and films, methods for making same Jun 28, 2001 Issued
Array ( [id] => 7215054 [patent_doc_number] => 20050054520 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-03-10 [patent_title] => 'Metallocenes and catalyst compositions derived therefrom' [patent_app_type] => utility [patent_app_number] => 09/896496 [patent_app_country] => US [patent_app_date] => 2001-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 60483 [patent_no_of_claims] => 50 [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/A1/0054/20050054520.pdf [firstpage_image] =>[orig_patent_app_number] => 09896496 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/896496
Metallocenes and catalyst compositions derived therefrom Jun 28, 2001 Issued
Array ( [id] => 1262117 [patent_doc_number] => 06664358 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-12-16 [patent_title] => 'Highly alternating ethylene styrene interpolymers' [patent_app_type] => B2 [patent_app_number] => 09/894765 [patent_app_country] => US [patent_app_date] => 2001-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 5070 [patent_no_of_claims] => 8 [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/06/664/06664358.pdf [firstpage_image] =>[orig_patent_app_number] => 09894765 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/894765
Highly alternating ethylene styrene interpolymers Jun 27, 2001 Issued
Array ( [id] => 7625492 [patent_doc_number] => 06723677 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-04-20 [patent_title] => 'High activity ziegler-natta catalyst for high molecular weight polyolefins' [patent_app_type] => B1 [patent_app_number] => 09/891632 [patent_app_country] => US [patent_app_date] => 2001-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5049 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 12 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/723/06723677.pdf [firstpage_image] =>[orig_patent_app_number] => 09891632 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/891632
High activity ziegler-natta catalyst for high molecular weight polyolefins Jun 24, 2001 Issued
Array ( [id] => 7314869 [patent_doc_number] => 20040034175 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-02-19 [patent_title] => 'Functionalized isobutylene-polyene copolymers and derivatives thereof' [patent_app_type] => new [patent_app_number] => 10/311151 [patent_app_country] => US [patent_app_date] => 2003-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13263 [patent_no_of_claims] => 49 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0034/20040034175.pdf [firstpage_image] =>[orig_patent_app_number] => 10311151 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/311151
Functionalized isobutylene-polyene copolymers and derivatives thereof Jun 20, 2001 Issued
Array ( [id] => 756167 [patent_doc_number] => 07014747 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-03-21 [patent_title] => 'Dielectrophoretic systems without embedded electrodes' [patent_app_type] => utility [patent_app_number] => 09/886165 [patent_app_country] => US [patent_app_date] => 2001-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 5791 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/014/07014747.pdf [firstpage_image] =>[orig_patent_app_number] => 09886165 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/886165
Dielectrophoretic systems without embedded electrodes Jun 19, 2001 Issued
Array ( [id] => 1528662 [patent_doc_number] => 06479609 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-11-12 [patent_title] => 'Multi-stage process for the polymerization of olefins' [patent_app_type] => B1 [patent_app_number] => 09/883514 [patent_app_country] => US [patent_app_date] => 2001-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9543 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 481 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/479/06479609.pdf [firstpage_image] =>[orig_patent_app_number] => 09883514 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/883514
Multi-stage process for the polymerization of olefins Jun 17, 2001 Issued
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