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] => 4494107 [patent_doc_number] => 07956145 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-06-07 [patent_title] => 'Diene polymer and process for producing the same' [patent_app_type] => utility [patent_app_number] => 11/958905 [patent_app_country] => US [patent_app_date] => 2007-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23851 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 11 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/956/07956145.pdf [firstpage_image] =>[orig_patent_app_number] => 11958905 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/958905
Diene polymer and process for producing the same Dec 17, 2007 Issued
Array ( [id] => 4584800 [patent_doc_number] => 07851578 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-12-14 [patent_title] => 'Succinate-containing polymerization catalyst system using n-butylmethyldimethoxysilane for preparation of polypropylene film grade resins' [patent_app_type] => utility [patent_app_number] => 11/958874 [patent_app_country] => US [patent_app_date] => 2007-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7878 [patent_no_of_claims] => 12 [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/07/851/07851578.pdf [firstpage_image] =>[orig_patent_app_number] => 11958874 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/958874
Succinate-containing polymerization catalyst system using n-butylmethyldimethoxysilane for preparation of polypropylene film grade resins Dec 17, 2007 Issued
Array ( [id] => 196705 [patent_doc_number] => 07638456 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-12-29 [patent_title] => 'Methods of preparing a polymerization catalyst' [patent_app_type] => utility [patent_app_number] => 11/959201 [patent_app_country] => US [patent_app_date] => 2007-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 8395 [patent_no_of_claims] => 25 [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/07/638/07638456.pdf [firstpage_image] =>[orig_patent_app_number] => 11959201 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/959201
Methods of preparing a polymerization catalyst Dec 17, 2007 Issued
Array ( [id] => 4699103 [patent_doc_number] => 20080221287 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-09-11 [patent_title] => 'DIENE POLYMER AND PROCESS FOR PRODUCING THE SAME' [patent_app_type] => utility [patent_app_number] => 11/957859 [patent_app_country] => US [patent_app_date] => 2007-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23125 [patent_no_of_claims] => 12 [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/A1/0221/20080221287.pdf [firstpage_image] =>[orig_patent_app_number] => 11957859 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/957859
DIENE POLYMER AND PROCESS FOR PRODUCING THE SAME Dec 16, 2007 Abandoned
Array ( [id] => 4916450 [patent_doc_number] => 20080097051 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-04-24 [patent_title] => 'Ziegler-Natta catalyst, preparation, and use for the polymerization of alkenes' [patent_app_type] => utility [patent_app_number] => 12/001729 [patent_app_country] => US [patent_app_date] => 2007-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6967 [patent_no_of_claims] => 6 [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/A1/0097/20080097051.pdf [firstpage_image] =>[orig_patent_app_number] => 12001729 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/001729
Ziegler-natta catalyst, preparation, and use for the polymerization of alkenes Dec 11, 2007 Issued
Array ( [id] => 4746374 [patent_doc_number] => 20080090976 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-04-17 [patent_title] => 'Production of broad molecular weight polyethylene' [patent_app_type] => utility [patent_app_number] => 11/999440 [patent_app_country] => US [patent_app_date] => 2007-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 11715 [patent_no_of_claims] => 30 [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/A1/0090/20080090976.pdf [firstpage_image] =>[orig_patent_app_number] => 11999440 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/999440
Production of broad molecular weight polyethylene Dec 4, 2007 Issued
Array ( [id] => 7591178 [patent_doc_number] => 07662901 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-02-16 [patent_title] => 'High crystallinity, high melt flow rate polypropylene' [patent_app_type] => utility [patent_app_number] => 11/998583 [patent_app_country] => US [patent_app_date] => 2007-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2219 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/662/07662901.pdf [firstpage_image] =>[orig_patent_app_number] => 11998583 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/998583
High crystallinity, high melt flow rate polypropylene Nov 29, 2007 Issued
Array ( [id] => 5572569 [patent_doc_number] => 20090139929 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-06-04 [patent_title] => 'Chelating compound, and method of use of, poly(2-octadecyl-butanedioate) and the corresponding acid, poly(2-octadecyl-butanedioic acid)' [patent_app_type] => utility [patent_app_number] => 11/998612 [patent_app_country] => US [patent_app_date] => 2007-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 6632 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0139/20090139929.pdf [firstpage_image] =>[orig_patent_app_number] => 11998612 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/998612
Chelating compound, and method of use of, poly(1-octadecyl-butanedioate) and the corresponding acid, poly(1-octadecyl-butanedioic acid) Nov 29, 2007 Issued
Array ( [id] => 4699102 [patent_doc_number] => 20080221286 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-09-11 [patent_title] => 'DIENE POLYMER AND PROCESS FOR PRODUCING THE SAME' [patent_app_type] => utility [patent_app_number] => 11/946939 [patent_app_country] => US [patent_app_date] => 2007-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22736 [patent_no_of_claims] => 12 [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/A1/0221/20080221286.pdf [firstpage_image] =>[orig_patent_app_number] => 11946939 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/946939
Diene polymer and process for producing the same Nov 28, 2007 Issued
Array ( [id] => 4823600 [patent_doc_number] => 20080227937 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-09-18 [patent_title] => 'Process for Producing Olefin Copolymerization Catalyst and Process for Producing Olefin Copolymer' [patent_app_type] => utility [patent_app_number] => 11/945024 [patent_app_country] => US [patent_app_date] => 2007-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16135 [patent_no_of_claims] => 10 [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/A1/0227/20080227937.pdf [firstpage_image] =>[orig_patent_app_number] => 11945024 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/945024
Process for producing olefin copolymerization catalyst and process for producing olefin copolymer Nov 25, 2007 Issued
Array ( [id] => 243427 [patent_doc_number] => 07589161 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-09-15 [patent_title] => 'Polymeric quenchant, manufacture thereof, and method for quenching steel' [patent_app_type] => utility [patent_app_number] => 11/942750 [patent_app_country] => US [patent_app_date] => 2007-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3354 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/589/07589161.pdf [firstpage_image] =>[orig_patent_app_number] => 11942750 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/942750
Polymeric quenchant, manufacture thereof, and method for quenching steel Nov 19, 2007 Issued
Array ( [id] => 5279485 [patent_doc_number] => 20090131617 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-05-21 [patent_title] => 'Coating for leak detection and method' [patent_app_type] => utility [patent_app_number] => 11/986213 [patent_app_country] => US [patent_app_date] => 2007-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2761 [patent_no_of_claims] => 22 [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/A1/0131/20090131617.pdf [firstpage_image] =>[orig_patent_app_number] => 11986213 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/986213
Coating for leak detection and method Nov 18, 2007 Issued
Array ( [id] => 4720227 [patent_doc_number] => 20080242750 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-10-02 [patent_title] => 'Polycyclic polymers containing pendant ion conducting moieties' [patent_app_type] => utility [patent_app_number] => 11/983505 [patent_app_country] => US [patent_app_date] => 2007-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14507 [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/A1/0242/20080242750.pdf [firstpage_image] =>[orig_patent_app_number] => 11983505 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/983505
Polycyclic polymers containing pendant ion conducting moieties Nov 8, 2007 Issued
Array ( [id] => 8082285 [patent_doc_number] => 08148461 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-04-03 [patent_title] => 'Latex particles having incorporated image stabilizers' [patent_app_type] => utility [patent_app_number] => 11/983158 [patent_app_country] => US [patent_app_date] => 2007-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6902 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/148/08148461.pdf [firstpage_image] =>[orig_patent_app_number] => 11983158 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/983158
Latex particles having incorporated image stabilizers Nov 5, 2007 Issued
Array ( [id] => 185518 [patent_doc_number] => 07645836 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-01-12 [patent_title] => 'Process for producing high quality ionomers' [patent_app_type] => utility [patent_app_number] => 11/934112 [patent_app_country] => US [patent_app_date] => 2007-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5411 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 25 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/645/07645836.pdf [firstpage_image] =>[orig_patent_app_number] => 11934112 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/934112
Process for producing high quality ionomers Nov 1, 2007 Issued
Array ( [id] => 4705312 [patent_doc_number] => 20080064836 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-03-13 [patent_title] => 'Process for the preparation of ethylene copolymers' [patent_app_type] => utility [patent_app_number] => 11/982706 [patent_app_country] => US [patent_app_date] => 2007-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8425 [patent_no_of_claims] => 10 [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/A1/0064/20080064836.pdf [firstpage_image] =>[orig_patent_app_number] => 11982706 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/982706
Process for the preparation of ethylene copolymers Oct 31, 2007 Abandoned
Array ( [id] => 4846533 [patent_doc_number] => 20080182941 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-07-31 [patent_title] => 'Polyolefin compositions' [patent_app_type] => utility [patent_app_number] => 11/982705 [patent_app_country] => US [patent_app_date] => 2007-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8437 [patent_no_of_claims] => 5 [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/A1/0182/20080182941.pdf [firstpage_image] =>[orig_patent_app_number] => 11982705 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/982705
Polyolefin compositions Oct 31, 2007 Abandoned
Array ( [id] => 4456721 [patent_doc_number] => 07893177 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2011-02-22 [patent_title] => 'Redox polymer nanoparticles' [patent_app_type] => utility [patent_app_number] => 11/930885 [patent_app_country] => US [patent_app_date] => 2007-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 13591 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/893/07893177.pdf [firstpage_image] =>[orig_patent_app_number] => 11930885 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/930885
Redox polymer nanoparticles Oct 30, 2007 Issued
Array ( [id] => 4552241 [patent_doc_number] => 07820581 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-10-26 [patent_title] => 'Methods of preparation of an olefin oligomerization catalyst' [patent_app_type] => utility [patent_app_number] => 11/928756 [patent_app_country] => US [patent_app_date] => 2007-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 16 [patent_no_of_words] => 25590 [patent_no_of_claims] => 29 [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/07/820/07820581.pdf [firstpage_image] =>[orig_patent_app_number] => 11928756 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/928756
Methods of preparation of an olefin oligomerization catalyst Oct 29, 2007 Issued
Array ( [id] => 4922737 [patent_doc_number] => 20080071054 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-03-20 [patent_title] => 'Planographic printing plate precursor, substrate for the same and surface hydrophilic material' [patent_app_type] => utility [patent_app_number] => 11/976890 [patent_app_country] => US [patent_app_date] => 2007-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 33816 [patent_no_of_claims] => 3 [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/A1/0071/20080071054.pdf [firstpage_image] =>[orig_patent_app_number] => 11976890 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/976890
Planographic printing plate precursor, substrate for the same and surface hydrophilic material Oct 28, 2007 Abandoned
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