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] => 4154465 [patent_doc_number] => 06107236 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-22 [patent_title] => 'Powders of silica-oxide and mixed silica-oxide and method of preparing same' [patent_app_type] => 1 [patent_app_number] => 9/060340 [patent_app_country] => US [patent_app_date] => 1998-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 15003 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/107/06107236.pdf [firstpage_image] =>[orig_patent_app_number] => 060340 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/060340
Powders of silica-oxide and mixed silica-oxide and method of preparing same Apr 13, 1998 Issued
Array ( [id] => 4110714 [patent_doc_number] => 06057408 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-05-02 [patent_title] => 'High molecular weight copolymers of propylene and olefins having 2 or 4 to 32 carbon atoms' [patent_app_type] => 1 [patent_app_number] => 9/058828 [patent_app_country] => US [patent_app_date] => 1998-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16774 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/057/06057408.pdf [firstpage_image] =>[orig_patent_app_number] => 058828 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/058828
High molecular weight copolymers of propylene and olefins having 2 or 4 to 32 carbon atoms Apr 12, 1998 Issued
Array ( [id] => 4187076 [patent_doc_number] => 06160067 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-12-12 [patent_title] => 'Reactive silica particles, process for manufacturing the same, use of the same' [patent_app_type] => 1 [patent_app_number] => 9/053625 [patent_app_country] => US [patent_app_date] => 1998-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11314 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/160/06160067.pdf [firstpage_image] =>[orig_patent_app_number] => 053625 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/053625
Reactive silica particles, process for manufacturing the same, use of the same Apr 1, 1998 Issued
Array ( [id] => 4191981 [patent_doc_number] => 06153714 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-11-28 [patent_title] => 'Regio-regular copolymer and methods of forming same' [patent_app_type] => 1 [patent_app_number] => 9/052079 [patent_app_country] => US [patent_app_date] => 1998-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7530 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/153/06153714.pdf [firstpage_image] =>[orig_patent_app_number] => 052079 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/052079
Regio-regular copolymer and methods of forming same Mar 30, 1998 Issued
Array ( [id] => 4172944 [patent_doc_number] => 06140441 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-10-31 [patent_title] => 'Ethylenic random copolymer, process for preparing the same, and rubber composition' [patent_app_type] => 1 [patent_app_number] => 8/983636 [patent_app_country] => US [patent_app_date] => 1998-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17927 [patent_no_of_claims] => 38 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/140/06140441.pdf [firstpage_image] =>[orig_patent_app_number] => 983636 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/983636
Ethylenic random copolymer, process for preparing the same, and rubber composition Mar 29, 1998 Issued
Array ( [id] => 4158954 [patent_doc_number] => 06114454 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-09-05 [patent_title] => 'Use of styrene and maleic anhydride copolymers as dispersing agents and/or for treatment of mineral fillers and thermoplastic compounds containing same' [patent_app_type] => 1 [patent_app_number] => 9/050197 [patent_app_country] => US [patent_app_date] => 1998-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10675 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/114/06114454.pdf [firstpage_image] =>[orig_patent_app_number] => 050197 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/050197
Use of styrene and maleic anhydride copolymers as dispersing agents and/or for treatment of mineral fillers and thermoplastic compounds containing same Mar 29, 1998 Issued
Array ( [id] => 4362124 [patent_doc_number] => 06255426 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-07-03 [patent_title] => 'Easy processing linear low density polyethylene' [patent_app_type] => 1 [patent_app_number] => 9/048569 [patent_app_country] => US [patent_app_date] => 1998-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 5539 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/255/06255426.pdf [firstpage_image] =>[orig_patent_app_number] => 048569 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/048569
Easy processing linear low density polyethylene Mar 25, 1998 Issued
Array ( [id] => 4193962 [patent_doc_number] => 06043302 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-03-28 [patent_title] => 'Impact absorbing macadam' [patent_app_type] => 1 [patent_app_number] => 8/973316 [patent_app_country] => US [patent_app_date] => 1998-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1454 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/043/06043302.pdf [firstpage_image] =>[orig_patent_app_number] => 973316 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/973316
Impact absorbing macadam Mar 22, 1998 Issued
Array ( [id] => 4133575 [patent_doc_number] => 06034180 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-03-07 [patent_title] => 'Resin composition' [patent_app_type] => 1 [patent_app_number] => 9/035071 [patent_app_country] => US [patent_app_date] => 1998-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1141 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/034/06034180.pdf [firstpage_image] =>[orig_patent_app_number] => 035071 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/035071
Resin composition Mar 4, 1998 Issued
Array ( [id] => 4088500 [patent_doc_number] => 06017978 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-01-25 [patent_title] => 'Polyurethane forming no-bake foundry binders' [patent_app_type] => 1 [patent_app_number] => 9/032690 [patent_app_country] => US [patent_app_date] => 1998-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4126 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/017/06017978.pdf [firstpage_image] =>[orig_patent_app_number] => 032690 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/032690
Polyurethane forming no-bake foundry binders Feb 27, 1998 Issued
Array ( [id] => 4357008 [patent_doc_number] => 06218458 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-04-17 [patent_title] => 'Method and apparatus for producing gas occlusion-free and void-free compounds and composites' [patent_app_type] => 1 [patent_app_number] => 9/032009 [patent_app_country] => US [patent_app_date] => 1998-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 35 [patent_no_of_words] => 20895 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 27 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/218/06218458.pdf [firstpage_image] =>[orig_patent_app_number] => 032009 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/032009
Method and apparatus for producing gas occlusion-free and void-free compounds and composites Feb 26, 1998 Issued
Array ( [id] => 4409562 [patent_doc_number] => 06228792 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-08 [patent_title] => 'Donor-modified olefin polymerization catalysts' [patent_app_type] => 1 [patent_app_number] => 9/030615 [patent_app_country] => US [patent_app_date] => 1998-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8876 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/228/06228792.pdf [firstpage_image] =>[orig_patent_app_number] => 030615 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/030615
Donor-modified olefin polymerization catalysts Feb 26, 1998 Issued
Array ( [id] => 3948350 [patent_doc_number] => 05998529 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-07 [patent_title] => 'Colorful coating material' [patent_app_type] => 1 [patent_app_number] => 9/031434 [patent_app_country] => US [patent_app_date] => 1998-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 2119 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/998/05998529.pdf [firstpage_image] =>[orig_patent_app_number] => 031434 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/031434
Colorful coating material Feb 25, 1998 Issued
Array ( [id] => 3948283 [patent_doc_number] => 05998526 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-07 [patent_title] => 'Use of salts of polyaspartic acids as milling agents' [patent_app_type] => 1 [patent_app_number] => 9/022533 [patent_app_country] => US [patent_app_date] => 1998-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6585 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/998/05998526.pdf [firstpage_image] =>[orig_patent_app_number] => 022533 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/022533
Use of salts of polyaspartic acids as milling agents Feb 11, 1998 Issued
Array ( [id] => 4321919 [patent_doc_number] => 06248839 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-06-19 [patent_title] => 'Mercapto-containing block copolymers having polymethacrylic acid and polyalkylene oxide repeating groups' [patent_app_type] => 1 [patent_app_number] => 9/018144 [patent_app_country] => US [patent_app_date] => 1998-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3579 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/248/06248839.pdf [firstpage_image] =>[orig_patent_app_number] => 018144 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/018144
Mercapto-containing block copolymers having polymethacrylic acid and polyalkylene oxide repeating groups Feb 2, 1998 Issued
Array ( [id] => 4157590 [patent_doc_number] => 06107431 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-22 [patent_title] => 'Reactor blend polypropylene, process for the preparation thereof and process for preparing metallocene ligands' [patent_app_type] => 1 [patent_app_number] => 9/015128 [patent_app_country] => US [patent_app_date] => 1998-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10603 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 447 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/107/06107431.pdf [firstpage_image] =>[orig_patent_app_number] => 015128 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/015128
Reactor blend polypropylene, process for the preparation thereof and process for preparing metallocene ligands Jan 28, 1998 Issued
Array ( [id] => 4156087 [patent_doc_number] => 06114271 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-09-05 [patent_title] => 'Process for the preparation of a polymerization and copolymerization of ethylene to give ultrahigh molecular-weight ethylene polymers' [patent_app_type] => 1 [patent_app_number] => 9/010873 [patent_app_country] => US [patent_app_date] => 1998-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4972 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 15 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/114/06114271.pdf [firstpage_image] =>[orig_patent_app_number] => 010873 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/010873
Process for the preparation of a polymerization and copolymerization of ethylene to give ultrahigh molecular-weight ethylene polymers Jan 21, 1998 Issued
Array ( [id] => 4110695 [patent_doc_number] => 06057407 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-05-02 [patent_title] => 'High melt flow propylene polymer produced by gas-phase polymerization' [patent_app_type] => 1 [patent_app_number] => 9/003995 [patent_app_country] => US [patent_app_date] => 1998-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8591 [patent_no_of_claims] => 20 [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/06/057/06057407.pdf [firstpage_image] =>[orig_patent_app_number] => 003995 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/003995
High melt flow propylene polymer produced by gas-phase polymerization Jan 6, 1998 Issued
Array ( [id] => 3948775 [patent_doc_number] => 05998558 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-07 [patent_title] => 'Ethylene polymers having enhanced processing ease' [patent_app_type] => 1 [patent_app_number] => 8/999267 [patent_app_country] => US [patent_app_date] => 1997-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5072 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/998/05998558.pdf [firstpage_image] =>[orig_patent_app_number] => 999267 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/999267
Ethylene polymers having enhanced processing ease Dec 28, 1997 Issued
Array ( [id] => 4011741 [patent_doc_number] => 05962551 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-05 [patent_title] => 'Powder of titanium compounds' [patent_app_type] => 1 [patent_app_number] => 8/995020 [patent_app_country] => US [patent_app_date] => 1997-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 4294 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/962/05962551.pdf [firstpage_image] =>[orig_patent_app_number] => 995020 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/995020
Powder of titanium compounds Dec 18, 1997 Issued
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