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] => 7204380 [patent_doc_number] => 20040087177 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-05-06 [patent_title] => 'Nonlithographic method to produce masks by selective reaction, articles produced, and composition for same' [patent_app_type] => new [patent_app_number] => 10/421355 [patent_app_country] => US [patent_app_date] => 2003-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 7334 [patent_no_of_claims] => 95 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0087/20040087177.pdf [firstpage_image] =>[orig_patent_app_number] => 10421355 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/421355
Nonlithographic method to produce masks by selective reaction, articles produced, and composition for same Apr 23, 2003 Abandoned
Array ( [id] => 516954 [patent_doc_number] => 07193025 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-03-20 [patent_title] => 'Metallocene polypropylene for rotomoulding' [patent_app_type] => utility [patent_app_number] => 10/512389 [patent_app_country] => US [patent_app_date] => 2003-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2837 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/193/07193025.pdf [firstpage_image] =>[orig_patent_app_number] => 10512389 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/512389
Metallocene polypropylene for rotomoulding Apr 21, 2003 Issued
Array ( [id] => 1181904 [patent_doc_number] => 06737485 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-05-18 [patent_title] => 'Titanium chelate dispersions' [patent_app_type] => B1 [patent_app_number] => 10/420149 [patent_app_country] => US [patent_app_date] => 2003-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2994 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/737/06737485.pdf [firstpage_image] =>[orig_patent_app_number] => 10420149 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/420149
Titanium chelate dispersions Apr 21, 2003 Issued
Array ( [id] => 7431896 [patent_doc_number] => 20040209764 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-10-21 [patent_title] => 'Catalyst precursor for the polymerization of olefins and polymerization process using the same' [patent_app_type] => new [patent_app_number] => 10/414118 [patent_app_country] => US [patent_app_date] => 2003-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 10909 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0209/20040209764.pdf [firstpage_image] =>[orig_patent_app_number] => 10414118 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/414118
Catalyst precursor for the polymerization of olefins and polymerization process using the same Apr 14, 2003 Issued
Array ( [id] => 7189840 [patent_doc_number] => 20040204310 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-10-14 [patent_title] => 'Supported metallocene catalysts' [patent_app_type] => new [patent_app_number] => 10/412372 [patent_app_country] => US [patent_app_date] => 2003-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 9783 [patent_no_of_claims] => 57 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0204/20040204310.pdf [firstpage_image] =>[orig_patent_app_number] => 10412372 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/412372
Supported metallocene catalysts Apr 10, 2003 Issued
Array ( [id] => 7005982 [patent_doc_number] => 20050171295 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-08-04 [patent_title] => 'Process for production of modified propylene polymers and modifies propylene polymers produced by the process' [patent_app_type] => utility [patent_app_number] => 10/509329 [patent_app_country] => US [patent_app_date] => 2003-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14068 [patent_no_of_claims] => 18 [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/A1/0171/20050171295.pdf [firstpage_image] =>[orig_patent_app_number] => 10509329 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/509329
Process for production of modified propylene polymers and modified propylene polymers produced by the process Apr 10, 2003 Issued
Array ( [id] => 7191397 [patent_doc_number] => 20040204523 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-10-14 [patent_title] => 'Use of N-methylurea for electrophoresis of small proteins' [patent_app_type] => new [patent_app_number] => 10/411072 [patent_app_country] => US [patent_app_date] => 2003-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2716 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0204/20040204523.pdf [firstpage_image] =>[orig_patent_app_number] => 10411072 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/411072
Use of N-methylurea for electrophoresis of small proteins Apr 9, 2003 Issued
Array ( [id] => 1212939 [patent_doc_number] => 06710005 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-03-23 [patent_title] => 'Aluminoxane modification' [patent_app_type] => B1 [patent_app_number] => 10/410850 [patent_app_country] => US [patent_app_date] => 2003-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2591 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/710/06710005.pdf [firstpage_image] =>[orig_patent_app_number] => 10410850 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/410850
Aluminoxane modification Apr 9, 2003 Issued
Array ( [id] => 439683 [patent_doc_number] => 07259219 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-08-21 [patent_title] => 'Low molecular weight copolymer of ethylene and vinyl aromatic monomer and uses thereof' [patent_app_type] => utility [patent_app_number] => 10/509212 [patent_app_country] => US [patent_app_date] => 2003-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 26439 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/259/07259219.pdf [firstpage_image] =>[orig_patent_app_number] => 10509212 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/509212
Low molecular weight copolymer of ethylene and vinyl aromatic monomer and uses thereof Apr 8, 2003 Issued
10/411045 LOW-VISCOSITY DRAG REDUCER Apr 8, 2003 Abandoned
Array ( [id] => 668585 [patent_doc_number] => 07094827 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-08-22 [patent_title] => 'Thixotropic agents comprising ethylene terpolymer waxes' [patent_app_type] => utility [patent_app_number] => 10/509652 [patent_app_country] => US [patent_app_date] => 2003-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4290 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/094/07094827.pdf [firstpage_image] =>[orig_patent_app_number] => 10509652 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/509652
Thixotropic agents comprising ethylene terpolymer waxes Apr 7, 2003 Issued
Array ( [id] => 1027979 [patent_doc_number] => 06881695 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-04-19 [patent_title] => 'Olefin polymerization catalyst and method for producing modified methylaluminoxane for use as olefin polymerization catalyst' [patent_app_type] => utility [patent_app_number] => 10/408267 [patent_app_country] => US [patent_app_date] => 2003-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 9596 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 25 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/881/06881695.pdf [firstpage_image] =>[orig_patent_app_number] => 10408267 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/408267
Olefin polymerization catalyst and method for producing modified methylaluminoxane for use as olefin polymerization catalyst Apr 7, 2003 Issued
Array ( [id] => 7330490 [patent_doc_number] => 20040254313 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-12-16 [patent_title] => 'Butene-1 (co)polymers and process for their preparation' [patent_app_type] => new [patent_app_number] => 10/490097 [patent_app_country] => US [patent_app_date] => 2004-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4178 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0254/20040254313.pdf [firstpage_image] =>[orig_patent_app_number] => 10490097 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/490097
Butene-1 (co)polymers and process for their preparation Apr 6, 2003 Issued
Array ( [id] => 1093367 [patent_doc_number] => 06825281 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-11-30 [patent_title] => 'Thermoplastic compositions for halogenated elastomers' [patent_app_type] => B2 [patent_app_number] => 10/398257 [patent_app_country] => US [patent_app_date] => 2003-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7456 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/825/06825281.pdf [firstpage_image] =>[orig_patent_app_number] => 10398257 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/398257
Thermoplastic compositions for halogenated elastomers Apr 2, 2003 Issued
Array ( [id] => 7467809 [patent_doc_number] => 20040198920 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-10-07 [patent_title] => 'Scorch-retardant composition' [patent_app_type] => new [patent_app_number] => 10/406008 [patent_app_country] => US [patent_app_date] => 2003-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2460 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0198/20040198920.pdf [firstpage_image] =>[orig_patent_app_number] => 10406008 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/406008
Scorch-retardant composition Apr 2, 2003 Abandoned
Array ( [id] => 1221016 [patent_doc_number] => 06703456 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-03-09 [patent_title] => 'Process for producing catalyst for -olefin polymerization, and process for producing -olefin polymer' [patent_app_type] => B2 [patent_app_number] => 10/396508 [patent_app_country] => US [patent_app_date] => 2003-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8429 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 206 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/703/06703456.pdf [firstpage_image] =>[orig_patent_app_number] => 10396508 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/396508
Process for producing catalyst for -olefin polymerization, and process for producing -olefin polymer Mar 25, 2003 Issued
Array ( [id] => 7387544 [patent_doc_number] => 20040082727 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-04-29 [patent_title] => 'Process for hydrogenation of conjugated diene polymer' [patent_app_type] => new [patent_app_number] => 10/394456 [patent_app_country] => US [patent_app_date] => 2003-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 7403 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0082/20040082727.pdf [firstpage_image] =>[orig_patent_app_number] => 10394456 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/394456
Process for hydrogenation of conjugated diene polymer Mar 20, 2003 Issued
Array ( [id] => 7369061 [patent_doc_number] => 20040092681 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-05-13 [patent_title] => 'Use of supported heat-stable chromium hydride species for olefin polymerization' [patent_app_type] => new [patent_app_number] => 10/380834 [patent_app_country] => US [patent_app_date] => 2003-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 5187 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 12 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0092/20040092681.pdf [firstpage_image] =>[orig_patent_app_number] => 10380834 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/380834
Use of supported heat-stable chromium hydride species for olefin polymerization Mar 18, 2003 Abandoned
Array ( [id] => 996660 [patent_doc_number] => 06914100 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-07-05 [patent_title] => 'Method of producing a crosslinked polymer particle' [patent_app_type] => utility [patent_app_number] => 10/390004 [patent_app_country] => US [patent_app_date] => 2003-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4520 [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/06/914/06914100.pdf [firstpage_image] =>[orig_patent_app_number] => 10390004 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/390004
Method of producing a crosslinked polymer particle Mar 17, 2003 Issued
Array ( [id] => 7402742 [patent_doc_number] => 20040023793 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-02-05 [patent_title] => 'Organometal catalyst compositions' [patent_app_type] => new [patent_app_number] => 10/392362 [patent_app_country] => US [patent_app_date] => 2003-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6185 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 23 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0023/20040023793.pdf [firstpage_image] =>[orig_patent_app_number] => 10392362 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/392362
Organometal catalyst compositions Mar 17, 2003 Issued
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