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] => 5875036 [patent_doc_number] => 20060166814 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-07-27 [patent_title] => 'Process for preparing an olefin polymerisation catalyst component with improved high temperature activity' [patent_app_type] => utility [patent_app_number] => 10/529812 [patent_app_country] => US [patent_app_date] => 2003-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6678 [patent_no_of_claims] => 53 [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/A1/0166/20060166814.pdf [firstpage_image] =>[orig_patent_app_number] => 10529812 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/529812
Process for preparing an olefin polymerization catalyst component with improved high temperature activity Sep 29, 2003 Issued
Array ( [id] => 655113 [patent_doc_number] => 07109277 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-09-19 [patent_title] => 'Polymerization catalysts' [patent_app_type] => utility [patent_app_number] => 10/672785 [patent_app_country] => US [patent_app_date] => 2003-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12439 [patent_no_of_claims] => 46 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/109/07109277.pdf [firstpage_image] =>[orig_patent_app_number] => 10672785 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/672785
Polymerization catalysts Sep 25, 2003 Issued
Array ( [id] => 7226537 [patent_doc_number] => 20040072980 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-04-15 [patent_title] => 'Polymers based on vinylcyclohexane' [patent_app_type] => new [patent_app_number] => 10/669872 [patent_app_country] => US [patent_app_date] => 2003-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4192 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 11 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0072/20040072980.pdf [firstpage_image] =>[orig_patent_app_number] => 10669872 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/669872
Polymers based on vinylcyclohexane Sep 23, 2003 Abandoned
Array ( [id] => 806779 [patent_doc_number] => 07420014 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-09-02 [patent_title] => 'Thickener for water-based vibration damper' [patent_app_type] => utility [patent_app_number] => 10/669860 [patent_app_country] => US [patent_app_date] => 2003-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7949 [patent_no_of_claims] => 39 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/420/07420014.pdf [firstpage_image] =>[orig_patent_app_number] => 10669860 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/669860
Thickener for water-based vibration damper Sep 23, 2003 Issued
Array ( [id] => 612906 [patent_doc_number] => 07148304 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-12-12 [patent_title] => 'Polymerization catalysts' [patent_app_type] => utility [patent_app_number] => 10/667859 [patent_app_country] => US [patent_app_date] => 2003-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 12731 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/148/07148304.pdf [firstpage_image] =>[orig_patent_app_number] => 10667859 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/667859
Polymerization catalysts Sep 22, 2003 Issued
10/381829 Functionalized high cis-1,4-polybutadiene prepared using novel functionalizing agents Sep 21, 2003 Abandoned
Array ( [id] => 637990 [patent_doc_number] => 07125945 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-10-24 [patent_title] => 'Functionalized polymer for oligonucleotide purification' [patent_app_type] => utility [patent_app_number] => 10/664617 [patent_app_country] => US [patent_app_date] => 2003-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 14 [patent_no_of_words] => 12963 [patent_no_of_claims] => 54 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/125/07125945.pdf [firstpage_image] =>[orig_patent_app_number] => 10664617 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/664617
Functionalized polymer for oligonucleotide purification Sep 18, 2003 Issued
Array ( [id] => 7010563 [patent_doc_number] => 20050064279 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-03-24 [patent_title] => 'Storage device and method for sorption and desorption of molecular gas contained by storage sites of nano-filament laded reticulated aerogel' [patent_app_type] => utility [patent_app_number] => 10/666663 [patent_app_country] => US [patent_app_date] => 2003-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 16661 [patent_no_of_claims] => 29 [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/A1/0064/20050064279.pdf [firstpage_image] =>[orig_patent_app_number] => 10666663 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/666663
Method for sorption and desorption of molecular gas contained by storage sites of nano-filament laded reticulated aerogel Sep 17, 2003 Issued
Array ( [id] => 7467082 [patent_doc_number] => 20040053776 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-03-18 [patent_title] => 'Single-site catalysts for olefin polymerization' [patent_app_type] => new [patent_app_number] => 10/664555 [patent_app_country] => US [patent_app_date] => 2003-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5784 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0053/20040053776.pdf [firstpage_image] =>[orig_patent_app_number] => 10664555 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/664555
Single-site catalysts for olefin polymerization Sep 17, 2003 Issued
Array ( [id] => 7303446 [patent_doc_number] => 20040115423 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-06-17 [patent_title] => 'Polymer film, preparation method thereof and method for protecting and cleaning a surface using said film' [patent_app_type] => new [patent_app_number] => 10/472281 [patent_app_country] => US [patent_app_date] => 2003-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3768 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0115/20040115423.pdf [firstpage_image] =>[orig_patent_app_number] => 10472281 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/472281
Polymer film, preparation method thereof and method for protecting and cleaning a surface using said film Sep 16, 2003 Abandoned
Array ( [id] => 5904825 [patent_doc_number] => 20060047087 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-03-02 [patent_title] => 'Chlorinated polyolefins and process for their production' [patent_app_type] => utility [patent_app_number] => 10/528054 [patent_app_country] => US [patent_app_date] => 2003-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5928 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0047/20060047087.pdf [firstpage_image] =>[orig_patent_app_number] => 10528054 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/528054
Chlorinated polyolefins and process for their production Sep 11, 2003 Issued
Array ( [id] => 737815 [patent_doc_number] => 07034081 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-04-25 [patent_title] => 'Highly branched diene polymers' [patent_app_type] => utility [patent_app_number] => 10/660038 [patent_app_country] => US [patent_app_date] => 2003-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4067 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/034/07034081.pdf [firstpage_image] =>[orig_patent_app_number] => 10660038 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/660038
Highly branched diene polymers Sep 10, 2003 Issued
Array ( [id] => 654674 [patent_doc_number] => 07109143 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-09-19 [patent_title] => 'Polymerization catalyst system using n-butymethyldimethoxysilane for preparation of polypropylene film grade resins' [patent_app_type] => utility [patent_app_number] => 10/659414 [patent_app_country] => US [patent_app_date] => 2003-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5755 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/109/07109143.pdf [firstpage_image] =>[orig_patent_app_number] => 10659414 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/659414
Polymerization catalyst system using n-butymethyldimethoxysilane for preparation of polypropylene film grade resins Sep 9, 2003 Issued
Array ( [id] => 750595 [patent_doc_number] => 07022796 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-04-04 [patent_title] => 'Production of ultra high melt flow polypropylene resins' [patent_app_type] => utility [patent_app_number] => 10/659125 [patent_app_country] => US [patent_app_date] => 2003-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 7390 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/022/07022796.pdf [firstpage_image] =>[orig_patent_app_number] => 10659125 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/659125
Production of ultra high melt flow polypropylene resins Sep 9, 2003 Issued
Array ( [id] => 7412879 [patent_doc_number] => 20040106752 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-06-03 [patent_title] => 'Catalyst systems, method for preparing and using same in a polymerization process' [patent_app_type] => new [patent_app_number] => 10/659192 [patent_app_country] => US [patent_app_date] => 2003-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14496 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0106/20040106752.pdf [firstpage_image] =>[orig_patent_app_number] => 10659192 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/659192
Catalyst systems, method for preparing and using same in a polymerization process Sep 9, 2003 Issued
Array ( [id] => 6926381 [patent_doc_number] => 20050239637 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-10-27 [patent_title] => 'Process to prepare a paticulated metallocene catalyste with a modified aluminoxane and use in polymerization of olefins' [patent_app_type] => utility [patent_app_number] => 10/526209 [patent_app_country] => US [patent_app_date] => 2003-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2988 [patent_no_of_claims] => 15 [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/A1/0239/20050239637.pdf [firstpage_image] =>[orig_patent_app_number] => 10526209 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/526209
Process to prepare a particulated metallocene catalyst with a modified aluminoxane and use in polymerization of olefins Sep 3, 2003 Issued
Array ( [id] => 620223 [patent_doc_number] => 07141639 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-11-28 [patent_title] => 'Ethylene copolymer' [patent_app_type] => utility [patent_app_number] => 10/650035 [patent_app_country] => US [patent_app_date] => 2003-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9370 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/141/07141639.pdf [firstpage_image] =>[orig_patent_app_number] => 10650035 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/650035
Ethylene copolymer Aug 27, 2003 Issued
Array ( [id] => 7399223 [patent_doc_number] => 20040039139 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-02-26 [patent_title] => 'Olefin polymerization catalyst and process for preparing polyolefins using said catalyst' [patent_app_type] => new [patent_app_number] => 10/649206 [patent_app_country] => US [patent_app_date] => 2003-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 9775 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0039/20040039139.pdf [firstpage_image] =>[orig_patent_app_number] => 10649206 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/649206
Olefin polymerization catalyst and process for preparing polyolefins using said catalyst Aug 26, 2003 Issued
Array ( [id] => 7083992 [patent_doc_number] => 20050049372 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-03-03 [patent_title] => 'POLYAMIDE SUPPORTED METALLOCENE CATALYSTS' [patent_app_type] => utility [patent_app_number] => 10/648716 [patent_app_country] => US [patent_app_date] => 2003-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5460 [patent_no_of_claims] => 31 [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/A1/0049/20050049372.pdf [firstpage_image] =>[orig_patent_app_number] => 10648716 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/648716
Polyamide supported metallocene catalysts Aug 25, 2003 Issued
Array ( [id] => 7136594 [patent_doc_number] => 20040044155 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-03-04 [patent_title] => 'Novel copolymers and films thereof' [patent_app_type] => new [patent_app_number] => 10/647278 [patent_app_country] => US [patent_app_date] => 2003-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7441 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 16 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0044/20040044155.pdf [firstpage_image] =>[orig_patent_app_number] => 10647278 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/647278
Copolymers and films thereof Aug 25, 2003 Issued
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