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] => 4148093 [patent_doc_number] => 06063833 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-05-16 [patent_title] => 'Solventless polyurethane no-bake foundry binder' [patent_app_type] => 1 [patent_app_number] => 9/226940 [patent_app_country] => US [patent_app_date] => 1999-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3437 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/063/06063833.pdf [firstpage_image] =>[orig_patent_app_number] => 226940 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/226940
Solventless polyurethane no-bake foundry binder Jan 7, 1999 Issued
Array ( [id] => 4361329 [patent_doc_number] => 06255372 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-07-03 [patent_title] => 'Tire components having improved tear strength' [patent_app_type] => 1 [patent_app_number] => 9/227927 [patent_app_country] => US [patent_app_date] => 1999-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4309 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/255/06255372.pdf [firstpage_image] =>[orig_patent_app_number] => 227927 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/227927
Tire components having improved tear strength Jan 7, 1999 Issued
Array ( [id] => 4369673 [patent_doc_number] => 06274676 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-08-14 [patent_title] => 'Tire components having improved tear strength' [patent_app_type] => 1 [patent_app_number] => 9/227121 [patent_app_country] => US [patent_app_date] => 1999-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4661 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/274/06274676.pdf [firstpage_image] =>[orig_patent_app_number] => 227121 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/227121
Tire components having improved tear strength Jan 7, 1999 Issued
Array ( [id] => 4408070 [patent_doc_number] => 06239060 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-29 [patent_title] => 'Supported metallocene catalyst system and method for polymerizing olefins' [patent_app_type] => 1 [patent_app_number] => 9/224176 [patent_app_country] => US [patent_app_date] => 1998-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6590 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/239/06239060.pdf [firstpage_image] =>[orig_patent_app_number] => 224176 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/224176
Supported metallocene catalyst system and method for polymerizing olefins Dec 30, 1998 Issued
Array ( [id] => 4411000 [patent_doc_number] => 06300429 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-10-09 [patent_title] => 'Method of modifying near-wall temperature in a gas phase polymerization reactor' [patent_app_type] => 1 [patent_app_number] => 9/224181 [patent_app_country] => US [patent_app_date] => 1998-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4677 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/300/06300429.pdf [firstpage_image] =>[orig_patent_app_number] => 224181 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/224181
Method of modifying near-wall temperature in a gas phase polymerization reactor Dec 30, 1998 Issued
Array ( [id] => 1515313 [patent_doc_number] => 06420500 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-07-16 [patent_title] => 'Catalyst for -olefin polymerization' [patent_app_type] => B1 [patent_app_number] => 09/147328 [patent_app_country] => US [patent_app_date] => 1998-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4710 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/420/06420500.pdf [firstpage_image] =>[orig_patent_app_number] => 09147328 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/147328
Catalyst for -olefin polymerization Dec 30, 1998 Issued
Array ( [id] => 7118529 [patent_doc_number] => 20010001795 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-05-24 [patent_title] => 'PROCESS TO PRODUCE POLYMERS' [patent_app_type] => new-utility [patent_app_number] => 09/222659 [patent_app_country] => US [patent_app_date] => 1998-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3653 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0001/20010001795.pdf [firstpage_image] =>[orig_patent_app_number] => 09222659 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/222659
Process to produce polymers Dec 29, 1998 Issued
Array ( [id] => 4251246 [patent_doc_number] => 06207607 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-03-27 [patent_title] => 'Composition containing magnesium, titanium, halogen and an inner electron donor, its preparation and use for the polymerization of alpha-olefins' [patent_app_type] => 1 [patent_app_number] => 9/155437 [patent_app_country] => US [patent_app_date] => 1998-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 35 [patent_figures_cnt] => 62 [patent_no_of_words] => 18039 [patent_no_of_claims] => 49 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/207/06207607.pdf [firstpage_image] =>[orig_patent_app_number] => 155437 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/155437
Composition containing magnesium, titanium, halogen and an inner electron donor, its preparation and use for the polymerization of alpha-olefins Dec 22, 1998 Issued
Array ( [id] => 4422905 [patent_doc_number] => 06225410 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-01 [patent_title] => 'Ethylene/.alpha.-olefin copolymer and process for preparing the same' [patent_app_type] => 1 [patent_app_number] => 9/219931 [patent_app_country] => US [patent_app_date] => 1998-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 20008 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/225/06225410.pdf [firstpage_image] =>[orig_patent_app_number] => 219931 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/219931
Ethylene/.alpha.-olefin copolymer and process for preparing the same Dec 22, 1998 Issued
Array ( [id] => 4262392 [patent_doc_number] => 06258903 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-07-10 [patent_title] => 'Mixed catalyst system' [patent_app_type] => 1 [patent_app_number] => 9/215708 [patent_app_country] => US [patent_app_date] => 1998-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 10059 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/258/06258903.pdf [firstpage_image] =>[orig_patent_app_number] => 215708 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/215708
Mixed catalyst system Dec 17, 1998 Issued
Array ( [id] => 4289756 [patent_doc_number] => 06268447 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-07-31 [patent_title] => 'Olefin polymerization catalyst' [patent_app_type] => 1 [patent_app_number] => 9/215706 [patent_app_country] => US [patent_app_date] => 1998-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 10281 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/268/06268447.pdf [firstpage_image] =>[orig_patent_app_number] => 215706 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/215706
Olefin polymerization catalyst Dec 17, 1998 Issued
Array ( [id] => 4382196 [patent_doc_number] => 06294494 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-09-25 [patent_title] => 'Olefin polymerization processes and products thereof' [patent_app_type] => 1 [patent_app_number] => 9/216338 [patent_app_country] => US [patent_app_date] => 1998-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7128 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/294/06294494.pdf [firstpage_image] =>[orig_patent_app_number] => 216338 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/216338
Olefin polymerization processes and products thereof Dec 17, 1998 Issued
Array ( [id] => 4296167 [patent_doc_number] => 06180735 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-01-30 [patent_title] => 'Catalyst composition and methods for its preparation and use in a polymerization process' [patent_app_type] => 1 [patent_app_number] => 9/215432 [patent_app_country] => US [patent_app_date] => 1998-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17509 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/180/06180735.pdf [firstpage_image] =>[orig_patent_app_number] => 215432 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/215432
Catalyst composition and methods for its preparation and use in a polymerization process Dec 16, 1998 Issued
Array ( [id] => 4261818 [patent_doc_number] => 06204346 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-03-20 [patent_title] => 'Polymerization process' [patent_app_type] => 1 [patent_app_number] => 9/213884 [patent_app_country] => US [patent_app_date] => 1998-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8056 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/204/06204346.pdf [firstpage_image] =>[orig_patent_app_number] => 213884 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/213884
Polymerization process Dec 16, 1998 Issued
Array ( [id] => 4384451 [patent_doc_number] => 06294631 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-09-25 [patent_title] => 'Hyperbranched polymers by coordination polymerization' [patent_app_type] => 1 [patent_app_number] => 9/211644 [patent_app_country] => US [patent_app_date] => 1998-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 8641 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/294/06294631.pdf [firstpage_image] =>[orig_patent_app_number] => 211644 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/211644
Hyperbranched polymers by coordination polymerization Dec 14, 1998 Issued
Array ( [id] => 4296079 [patent_doc_number] => 06180730 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-01-30 [patent_title] => 'Catalyst deactivation' [patent_app_type] => 1 [patent_app_number] => 9/210469 [patent_app_country] => US [patent_app_date] => 1998-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2860 [patent_no_of_claims] => 15 [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/06/180/06180730.pdf [firstpage_image] =>[orig_patent_app_number] => 210469 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/210469
Catalyst deactivation Dec 11, 1998 Issued
Array ( [id] => 4173007 [patent_doc_number] => 06140443 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-10-31 [patent_title] => 'Ethylenic polymers and process for the production thereof' [patent_app_type] => 1 [patent_app_number] => 9/202137 [patent_app_country] => US [patent_app_date] => 1998-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 9499 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/140/06140443.pdf [firstpage_image] =>[orig_patent_app_number] => 202137 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/202137
Ethylenic polymers and process for the production thereof Dec 8, 1998 Issued
Array ( [id] => 4297577 [patent_doc_number] => 06184328 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-06 [patent_title] => 'Propylene-based polymer, method for its production, composition thereof, catalyst component for polymerization, and method for its production' [patent_app_type] => 1 [patent_app_number] => 9/207412 [patent_app_country] => US [patent_app_date] => 1998-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 12488 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/184/06184328.pdf [firstpage_image] =>[orig_patent_app_number] => 207412 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/207412
Propylene-based polymer, method for its production, composition thereof, catalyst component for polymerization, and method for its production Dec 7, 1998 Issued
Array ( [id] => 4357946 [patent_doc_number] => 06201077 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-03-13 [patent_title] => 'Process that produces polymers' [patent_app_type] => 1 [patent_app_number] => 9/203094 [patent_app_country] => US [patent_app_date] => 1998-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4978 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/201/06201077.pdf [firstpage_image] =>[orig_patent_app_number] => 203094 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/203094
Process that produces polymers Nov 30, 1998 Issued
Array ( [id] => 4259680 [patent_doc_number] => 06204215 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-03-20 [patent_title] => 'Solid catalyst component for olefin polymerization, catalyst for olefin polymerization, and method for producing olefin polymers' [patent_app_type] => 1 [patent_app_number] => 9/200851 [patent_app_country] => US [patent_app_date] => 1998-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 5932 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/204/06204215.pdf [firstpage_image] =>[orig_patent_app_number] => 200851 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/200851
Solid catalyst component for olefin polymerization, catalyst for olefin polymerization, and method for producing olefin polymers Nov 29, 1998 Issued
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