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] => 484377 [patent_doc_number] => 07217350 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-05-15 [patent_title] => 'Mobility and effects arising from surface charge' [patent_app_type] => utility [patent_app_number] => 09/843339 [patent_app_country] => US [patent_app_date] => 2001-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 22 [patent_no_of_words] => 9124 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/217/07217350.pdf [firstpage_image] =>[orig_patent_app_number] => 09843339 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/843339
Mobility and effects arising from surface charge Apr 25, 2001 Issued
Array ( [id] => 6933210 [patent_doc_number] => 20010054554 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-12-27 [patent_title] => 'Measurement of fluorescence using capillary isoelectric focusing' [patent_app_type] => new [patent_app_number] => 09/832807 [patent_app_country] => US [patent_app_date] => 2001-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3866 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0054/20010054554.pdf [firstpage_image] =>[orig_patent_app_number] => 09832807 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/832807
Measurement of fluorescence using capillary isoelectric focusing Apr 11, 2001 Issued
Array ( [id] => 1262088 [patent_doc_number] => 06664352 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-12-16 [patent_title] => 'Supported polymerization catalysts' [patent_app_type] => B1 [patent_app_number] => 09/807144 [patent_app_country] => US [patent_app_date] => 2001-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 8724 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/664/06664352.pdf [firstpage_image] =>[orig_patent_app_number] => 09807144 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/807144
Supported polymerization catalysts Apr 8, 2001 Issued
Array ( [id] => 7000194 [patent_doc_number] => 20010053455 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-12-20 [patent_title] => 'Covering material' [patent_app_type] => new [patent_app_number] => 09/827944 [patent_app_country] => US [patent_app_date] => 2001-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5507 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0053/20010053455.pdf [firstpage_image] =>[orig_patent_app_number] => 09827944 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/827944
Covering material Apr 8, 2001 Issued
Array ( [id] => 6721496 [patent_doc_number] => 20030055186 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-03-20 [patent_title] => 'Polymers of substituted cyclopentenes' [patent_app_type] => new [patent_app_number] => 09/824461 [patent_app_country] => US [patent_app_date] => 2001-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9057 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 6 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0055/20030055186.pdf [firstpage_image] =>[orig_patent_app_number] => 09824461 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/824461
Polymers of substituted cyclopentenes Apr 1, 2001 Issued
Array ( [id] => 1278276 [patent_doc_number] => 06645901 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-11-11 [patent_title] => 'Prepolymerization catalyst for use in gas phase polymerization of olefins and process for producing the same' [patent_app_type] => B2 [patent_app_number] => 09/820977 [patent_app_country] => US [patent_app_date] => 2001-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7707 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/645/06645901.pdf [firstpage_image] =>[orig_patent_app_number] => 09820977 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/820977
Prepolymerization catalyst for use in gas phase polymerization of olefins and process for producing the same Mar 29, 2001 Issued
Array ( [id] => 6962002 [patent_doc_number] => 20010012877 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-08-09 [patent_title] => 'Metallocene compounds and use thereof in catalysts for the polymerization of olefins' [patent_app_type] => new [patent_app_number] => 09/823393 [patent_app_country] => US [patent_app_date] => 2001-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10577 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 7 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0012/20010012877.pdf [firstpage_image] =>[orig_patent_app_number] => 09823393 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/823393
Metallocene compounds and use thereof in catalysts for the polymerization of olefins Mar 29, 2001 Issued
09/743604 HETEROGENEOUS CATALYST SYSTEMS WITH KAOLIN AS THE SUPPORT FOR OLEFIN POLYMERISATION Mar 22, 2001 Abandoned
Array ( [id] => 6762092 [patent_doc_number] => 20030125454 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-07-03 [patent_title] => 'Thermoplastic elastomers having improved low temperature properties' [patent_app_type] => new [patent_app_number] => 10/204241 [patent_app_country] => US [patent_app_date] => 2002-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8304 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0125/20030125454.pdf [firstpage_image] =>[orig_patent_app_number] => 10204241 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/204241
Thermoplastic elastomers having improved low temperature properties Mar 22, 2001 Issued
Array ( [id] => 6880409 [patent_doc_number] => 20010031696 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-10-18 [patent_title] => 'Process for producing catalyst for olefin polymerization and process for producing olefin polymer' [patent_app_type] => new [patent_app_number] => 09/809089 [patent_app_country] => US [patent_app_date] => 2001-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11892 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0031/20010031696.pdf [firstpage_image] =>[orig_patent_app_number] => 09809089 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/809089
Process for producing catalyst for olefin polymerization and process for producing olefin polymer Mar 15, 2001 Issued
Array ( [id] => 1402881 [patent_doc_number] => 06538079 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-03-25 [patent_title] => 'Process for producing catalyst for ethylene polymerization and process for producing ethylene polymer' [patent_app_type] => B2 [patent_app_number] => 09/809088 [patent_app_country] => US [patent_app_date] => 2001-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8919 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/538/06538079.pdf [firstpage_image] =>[orig_patent_app_number] => 09809088 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/809088
Process for producing catalyst for ethylene polymerization and process for producing ethylene polymer Mar 15, 2001 Issued
Array ( [id] => 1349202 [patent_doc_number] => 06583241 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-06-24 [patent_title] => 'Process for making MVTR resin' [patent_app_type] => B1 [patent_app_number] => 09/808801 [patent_app_country] => US [patent_app_date] => 2001-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 7084 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/583/06583241.pdf [firstpage_image] =>[orig_patent_app_number] => 09808801 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/808801
Process for making MVTR resin Mar 14, 2001 Issued
Array ( [id] => 6382535 [patent_doc_number] => 20020120077 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-08-29 [patent_title] => 'MVTR resin produced with post-titanated Cr/Si/Ti catalyst' [patent_app_type] => new [patent_app_number] => 09/808802 [patent_app_country] => US [patent_app_date] => 2001-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 6554 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0120/20020120077.pdf [firstpage_image] =>[orig_patent_app_number] => 09808802 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/808802
MVTR resin produced with post-titanated Cr/Si/Ti catalyst Mar 14, 2001 Issued
Array ( [id] => 6452413 [patent_doc_number] => 20020177676 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-11-28 [patent_title] => 'Method for making and using a metallocene catalyst system' [patent_app_type] => new [patent_app_number] => 09/805277 [patent_app_country] => US [patent_app_date] => 2001-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5976 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0177/20020177676.pdf [firstpage_image] =>[orig_patent_app_number] => 09805277 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/805277
Method for making and using a metallocene catalyst system Mar 12, 2001 Issued
Array ( [id] => 7297920 [patent_doc_number] => 20040214971 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-10-28 [patent_title] => 'Preparation of polyethylene' [patent_app_type] => new [patent_app_number] => 10/221202 [patent_app_country] => US [patent_app_date] => 2003-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4890 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0214/20040214971.pdf [firstpage_image] =>[orig_patent_app_number] => 10221202 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/221202
Preparation of polyethylene Mar 12, 2001 Issued
Array ( [id] => 1406267 [patent_doc_number] => 06534606 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-03-18 [patent_title] => 'Catalyst system for the Ziegler-Natta polymerization of olefins' [patent_app_type] => B2 [patent_app_number] => 09/801045 [patent_app_country] => US [patent_app_date] => 2001-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5769 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 407 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/534/06534606.pdf [firstpage_image] =>[orig_patent_app_number] => 09801045 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/801045
Catalyst system for the Ziegler-Natta polymerization of olefins Mar 7, 2001 Issued
Array ( [id] => 978501 [patent_doc_number] => 06929731 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-08-16 [patent_title] => 'Parallel array of independent thermostats for column separations' [patent_app_type] => utility [patent_app_number] => 09/979622 [patent_app_country] => US [patent_app_date] => 2001-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 2870 [patent_no_of_claims] => 11 [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/06/929/06929731.pdf [firstpage_image] =>[orig_patent_app_number] => 09979622 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/979622
Parallel array of independent thermostats for column separations Mar 6, 2001 Issued
Array ( [id] => 1379918 [patent_doc_number] => 06559249 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-05-06 [patent_title] => 'Catalyst for producing an ultrahigh molecular weight polyethylene (UHWMP) and method for producing an UHWMP using the same' [patent_app_type] => B2 [patent_app_number] => 09/801198 [patent_app_country] => US [patent_app_date] => 2001-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4849 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/559/06559249.pdf [firstpage_image] =>[orig_patent_app_number] => 09801198 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/801198
Catalyst for producing an ultrahigh molecular weight polyethylene (UHWMP) and method for producing an UHWMP using the same Mar 5, 2001 Issued
Array ( [id] => 6876855 [patent_doc_number] => 20010007008 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-07-05 [patent_title] => 'Electron donors in a ziegler-natta catalyst for the production of high melt flow copolymers' [patent_app_type] => new-utility [patent_app_number] => 09/794191 [patent_app_country] => US [patent_app_date] => 2001-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5556 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0007/20010007008.pdf [firstpage_image] =>[orig_patent_app_number] => 09794191 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/794191
Electron donors in a Ziegler-Natta catalyst for the production of high melt flow copolymers Feb 26, 2001 Issued
Array ( [id] => 1093419 [patent_doc_number] => 06825303 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-11-30 [patent_title] => 'Integration of low thin films and Ta into Cu dual damascene' [patent_app_type] => B2 [patent_app_number] => 09/795217 [patent_app_country] => US [patent_app_date] => 2001-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 9216 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/825/06825303.pdf [firstpage_image] =>[orig_patent_app_number] => 09795217 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/795217
Integration of low thin films and Ta into Cu dual damascene Feb 25, 2001 Issued
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