Search

Ling Siu Choi

Examiner (ID: 18286)

Most Active Art Unit
1713
Art Unit(s)
1762, 1714, 1713, 1796, 1763
Total Applications
1478
Issued Applications
1218
Pending Applications
36
Abandoned Applications
224

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 4860592 [patent_doc_number] => 20080269442 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-10-30 [patent_title] => 'CATIONIC PERAMIDO TITANIUM POLYMERIZATION CATALYSTS' [patent_app_type] => utility [patent_app_number] => 12/055821 [patent_app_country] => US [patent_app_date] => 2008-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15077 [patent_no_of_claims] => 24 [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/A1/0269/20080269442.pdf [firstpage_image] =>[orig_patent_app_number] => 12055821 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/055821
CATIONIC PERAMIDO TITANIUM POLYMERIZATION CATALYSTS Mar 25, 2008 Abandoned
Array ( [id] => 6434126 [patent_doc_number] => 20100152369 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-06-17 [patent_title] => 'METHOD FOR PRODUCING MODIFIED CONJUGATED DIENE BASED (CO)POLYMER, MODIFIED CONJUGATED DIENE BASED (CO)POLYMER, AND RUBBER COMPOSITION' [patent_app_type] => utility [patent_app_number] => 12/532764 [patent_app_country] => US [patent_app_date] => 2008-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10649 [patent_no_of_claims] => 12 [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/A1/0152/20100152369.pdf [firstpage_image] =>[orig_patent_app_number] => 12532764 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/532764
Method for producing modified conjugated diene based (co)polymer, modified conjugated diene based (co)polymer, and rubber composition Mar 20, 2008 Issued
Array ( [id] => 5404696 [patent_doc_number] => 20090240010 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-09-24 [patent_title] => 'ALUMINA-SILICA ACTIVATOR-SUPPORTS FOR METALLOCENE CATALYST COMPOSITIONS' [patent_app_type] => utility [patent_app_number] => 12/052620 [patent_app_country] => US [patent_app_date] => 2008-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 21494 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0240/20090240010.pdf [firstpage_image] =>[orig_patent_app_number] => 12052620 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/052620
ALUMINA-SILICA ACTIVATOR-SUPPORTS FOR METALLOCENE CATALYST COMPOSITIONS Mar 19, 2008 Abandoned
Array ( [id] => 4860597 [patent_doc_number] => 20080269447 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-10-30 [patent_title] => 'PREPARATION METHOD OF HOLLOW PARTICLE' [patent_app_type] => utility [patent_app_number] => 12/043305 [patent_app_country] => US [patent_app_date] => 2008-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 7321 [patent_no_of_claims] => 13 [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/A1/0269/20080269447.pdf [firstpage_image] =>[orig_patent_app_number] => 12043305 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/043305
Preparation method of hollow particle Mar 5, 2008 Issued
Array ( [id] => 6539483 [patent_doc_number] => 20100204367 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-08-12 [patent_title] => 'NATURAL RUBBER LATEX PRESERVATION' [patent_app_type] => utility [patent_app_number] => 12/530434 [patent_app_country] => US [patent_app_date] => 2008-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8445 [patent_no_of_claims] => 14 [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/A1/0204/20100204367.pdf [firstpage_image] =>[orig_patent_app_number] => 12530434 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/530434
Natural rubber latex preservation Mar 3, 2008 Issued
Array ( [id] => 8189813 [patent_doc_number] => 08183458 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-05-22 [patent_title] => 'Photovoltaic apparatus having a filler layer and method for making the same' [patent_app_type] => utility [patent_app_number] => 12/039659 [patent_app_country] => US [patent_app_date] => 2008-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 7806 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/183/08183458.pdf [firstpage_image] =>[orig_patent_app_number] => 12039659 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/039659
Photovoltaic apparatus having a filler layer and method for making the same Feb 27, 2008 Issued
Array ( [id] => 4677124 [patent_doc_number] => 20080214755 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-09-04 [patent_title] => 'OLEFIN-DIENE COPOLYMER AND PROCESS FOR PRODUCING THE SAME' [patent_app_type] => utility [patent_app_number] => 12/036231 [patent_app_country] => US [patent_app_date] => 2008-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 31063 [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/A1/0214/20080214755.pdf [firstpage_image] =>[orig_patent_app_number] => 12036231 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/036231
Olefin-diene copolymer and process for producing the same Feb 22, 2008 Issued
Array ( [id] => 4677125 [patent_doc_number] => 20080214756 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-09-04 [patent_title] => 'CYCLIC OLEFIN-DIENE COPOLYMER AND PROCESS FOR PRODUCING THE SAME' [patent_app_type] => utility [patent_app_number] => 12/036233 [patent_app_country] => US [patent_app_date] => 2008-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18031 [patent_no_of_claims] => 5 [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/A1/0214/20080214756.pdf [firstpage_image] =>[orig_patent_app_number] => 12036233 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/036233
CYCLIC OLEFIN-DIENE COPOLYMER AND PROCESS FOR PRODUCING THE SAME Feb 22, 2008 Abandoned
Array ( [id] => 4699104 [patent_doc_number] => 20080221288 [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] => 12/036230 [patent_app_country] => US [patent_app_date] => 2008-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23327 [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/A1/0221/20080221288.pdf [firstpage_image] =>[orig_patent_app_number] => 12036230 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/036230
DIENE POLYMER AND PROCESS FOR PRODUCING THE SAME Feb 22, 2008 Abandoned
Array ( [id] => 6322872 [patent_doc_number] => 20100113724 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-05-06 [patent_title] => 'IMPRINTED POLYMERS' [patent_app_type] => utility [patent_app_number] => 12/527659 [patent_app_country] => US [patent_app_date] => 2008-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3916 [patent_no_of_claims] => 12 [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/A1/0113/20100113724.pdf [firstpage_image] =>[orig_patent_app_number] => 12527659 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/527659
Imprinted polymers Feb 12, 2008 Issued
Array ( [id] => 4677079 [patent_doc_number] => 20080214710 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-09-04 [patent_title] => 'Aqueous dispersions' [patent_app_type] => utility [patent_app_number] => 12/069619 [patent_app_country] => US [patent_app_date] => 2008-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5122 [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/A1/0214/20080214710.pdf [firstpage_image] =>[orig_patent_app_number] => 12069619 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/069619
Aqueous dispersions Feb 11, 2008 Issued
Array ( [id] => 5527946 [patent_doc_number] => 20090198023 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-08-06 [patent_title] => 'Polyethylene Materials Prepared Using Mixed Ziegler-Natta Catalysts Systems' [patent_app_type] => utility [patent_app_number] => 12/024671 [patent_app_country] => US [patent_app_date] => 2008-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 6924 [patent_no_of_claims] => 25 [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/A1/0198/20090198023.pdf [firstpage_image] =>[orig_patent_app_number] => 12024671 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/024671
Polyethylene materials prepared using mixed ziegler-natta catalysts systems Jan 31, 2008 Issued
Array ( [id] => 6361259 [patent_doc_number] => 20100087581 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-04-08 [patent_title] => 'Reinforced Silicone Resin Film and Method of Preparing Same' [patent_app_type] => utility [patent_app_number] => 12/527615 [patent_app_country] => US [patent_app_date] => 2008-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 9421 [patent_no_of_claims] => 9 [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/A1/0087/20100087581.pdf [firstpage_image] =>[orig_patent_app_number] => 12527615 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/527615
Reinforced Silicone Resin Film and Method of Preparing Same Jan 30, 2008 Abandoned
Array ( [id] => 4904721 [patent_doc_number] => 20080114135 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-05-15 [patent_title] => 'Method for Transitioning Between Ziegler-Natta and Metalocene Catalysts in a Bulk Loop Reactor for the Production of Polypropylene' [patent_app_type] => utility [patent_app_number] => 12/018225 [patent_app_country] => US [patent_app_date] => 2008-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 8768 [patent_no_of_claims] => 5 [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/A1/0114/20080114135.pdf [firstpage_image] =>[orig_patent_app_number] => 12018225 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/018225
Method for transitioning between ziegler-natta and metalocene catalysts in a bulk loop reactor for the production of polypropylene Jan 22, 2008 Issued
Array ( [id] => 4823567 [patent_doc_number] => 20080227924 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-09-18 [patent_title] => 'Process and System Using Nitrogen Trifluoride to Fluorinate Plastic' [patent_app_type] => utility [patent_app_number] => 12/013896 [patent_app_country] => US [patent_app_date] => 2008-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1303 [patent_no_of_claims] => 13 [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/A1/0227/20080227924.pdf [firstpage_image] =>[orig_patent_app_number] => 12013896 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/013896
Process and System Using Nitrogen Trifluoride to Fluorinate Plastic Jan 13, 2008 Abandoned
Array ( [id] => 6389547 [patent_doc_number] => 20100317795 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-12-16 [patent_title] => 'Rubber Composition Having a Very Low Zinc Content' [patent_app_type] => utility [patent_app_number] => 12/521774 [patent_app_country] => US [patent_app_date] => 2007-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7697 [patent_no_of_claims] => 26 [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/A1/0317/20100317795.pdf [firstpage_image] =>[orig_patent_app_number] => 12521774 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/521774
Rubber composition having a very low zinc content Dec 20, 2007 Issued
Array ( [id] => 177882 [patent_doc_number] => 07655590 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-02-02 [patent_title] => 'Ziegler-Natta catalyst for particle size control' [patent_app_type] => utility [patent_app_number] => 12/004814 [patent_app_country] => US [patent_app_date] => 2007-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 5554 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/655/07655590.pdf [firstpage_image] =>[orig_patent_app_number] => 12004814 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/004814
Ziegler-Natta catalyst for particle size control Dec 19, 2007 Issued
Array ( [id] => 8177483 [patent_doc_number] => 08178605 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-05-15 [patent_title] => 'Tread for tire' [patent_app_type] => utility [patent_app_number] => 12/521054 [patent_app_country] => US [patent_app_date] => 2007-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9121 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/178/08178605.pdf [firstpage_image] =>[orig_patent_app_number] => 12521054 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/521054
Tread for tire Dec 18, 2007 Issued
Array ( [id] => 4867674 [patent_doc_number] => 20080146733 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-06-19 [patent_title] => 'Hydrogenation catalyst composition and method for hydrogenation of conjugated diene polymer' [patent_app_type] => utility [patent_app_number] => 12/002812 [patent_app_country] => US [patent_app_date] => 2007-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 8677 [patent_no_of_claims] => 25 [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/A1/0146/20080146733.pdf [firstpage_image] =>[orig_patent_app_number] => 12002812 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/002812
Hydrogenation catalyst composition and method for hydrogenation of conjugated diene polymer Dec 18, 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
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