Search

Ling Siu Choi

Supervisory Patent Examiner (ID: 230, Phone: (571)272-1098 , Office: P/1763 )

Most Active Art Unit
1713
Art Unit(s)
1763, 1713, 1762, 1714, 1796
Total Applications
1478
Issued Applications
1218
Pending Applications
36
Abandoned Applications
224

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 8306027 [patent_doc_number] => 08227563 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-07-24 [patent_title] => 'Process for the preparation of polymer of 1-butene' [patent_app_type] => utility [patent_app_number] => 13/262918 [patent_app_country] => US [patent_app_date] => 2010-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4934 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13262918 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/262918
Process for the preparation of polymer of 1-butene Mar 30, 2010 Issued
Array ( [id] => 6296692 [patent_doc_number] => 20100160582 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-06-24 [patent_title] => 'CATALYSTS FOR CATALYTIC CHAIN TRANSFER' [patent_app_type] => utility [patent_app_number] => 12/715483 [patent_app_country] => US [patent_app_date] => 2010-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3911 [patent_no_of_claims] => 9 [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/A1/0160/20100160582.pdf [firstpage_image] =>[orig_patent_app_number] => 12715483 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/715483
Catalysts for catalytic chain transfer Mar 1, 2010 Issued
Array ( [id] => 6102786 [patent_doc_number] => 20110166279 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-07-07 [patent_title] => 'CLEAN FLAME RETARDANT INSULATION COMPOSITION TO ENHANCE MECHANICAL PROPERTIES AND FLAME RETARDANCY FOR WIRE AND CABLE' [patent_app_type] => utility [patent_app_number] => 12/683444 [patent_app_country] => US [patent_app_date] => 2010-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7542 [patent_no_of_claims] => 22 [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/A1/0166/20110166279.pdf [firstpage_image] =>[orig_patent_app_number] => 12683444 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/683444
Clean flame retardant insulation composition to enhance mechanical properties and flame retardancy for wire and cable Jan 6, 2010 Issued
Array ( [id] => 7762652 [patent_doc_number] => 08114932 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-02-14 [patent_title] => 'Neutralizer modified propylene based polymers and processes of forming the same' [patent_app_type] => utility [patent_app_number] => 12/615404 [patent_app_country] => US [patent_app_date] => 2009-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 3986 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/114/08114932.pdf [firstpage_image] =>[orig_patent_app_number] => 12615404 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/615404
Neutralizer modified propylene based polymers and processes of forming the same Nov 9, 2009 Issued
Array ( [id] => 7685169 [patent_doc_number] => 20100120972 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-05-13 [patent_title] => 'COMPOSITE COMPOSITIONS INCLUDING SEMI-AROMATIC POLYAMIDES AND CARBON FIBER, AND ARTICLES THEREOF' [patent_app_type] => utility [patent_app_number] => 12/612738 [patent_app_country] => US [patent_app_date] => 2009-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4437 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0120/20100120972.pdf [firstpage_image] =>[orig_patent_app_number] => 12612738 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/612738
COMPOSITE COMPOSITIONS INCLUDING SEMI-AROMATIC POLYAMIDES AND CARBON FIBER, AND ARTICLES THEREOF Nov 4, 2009 Abandoned
Array ( [id] => 5945055 [patent_doc_number] => 20110105675 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-05-05 [patent_title] => 'POLYOLEFIN-BASED ADHESIVES HAVING IMPROVED OXIDATIVE STABILITY' [patent_app_type] => utility [patent_app_number] => 12/590224 [patent_app_country] => US [patent_app_date] => 2009-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2821 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0105/20110105675.pdf [firstpage_image] =>[orig_patent_app_number] => 12590224 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/590224
Polyolefin-based adhesives having improved oxidative stability Nov 3, 2009 Issued
Array ( [id] => 6478017 [patent_doc_number] => 20100258245 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-10-14 [patent_title] => 'REACTIVE HOT MELT ADHESIVE COMPOSITION AND METHOD FOR PRODUCING THE SAME' [patent_app_type] => utility [patent_app_number] => 12/575114 [patent_app_country] => US [patent_app_date] => 2009-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6883 [patent_no_of_claims] => 5 [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/A1/0258/20100258245.pdf [firstpage_image] =>[orig_patent_app_number] => 12575114 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/575114
Reactive hot melt adhesive composition and method for producing the same Oct 6, 2009 Issued
Array ( [id] => 4487291 [patent_doc_number] => 07884163 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-02-08 [patent_title] => 'Silica-coated alumina activator-supports for metallocene catalyst compositions' [patent_app_type] => utility [patent_app_number] => 12/565257 [patent_app_country] => US [patent_app_date] => 2009-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 28305 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/884/07884163.pdf [firstpage_image] =>[orig_patent_app_number] => 12565257 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/565257
Silica-coated alumina activator-supports for metallocene catalyst compositions Sep 22, 2009 Issued
Array ( [id] => 7491317 [patent_doc_number] => 08030392 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-10-04 [patent_title] => 'Rubber composition for sidewall and tire' [patent_app_type] => utility [patent_app_number] => 12/561614 [patent_app_country] => US [patent_app_date] => 2009-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3613 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/030/08030392.pdf [firstpage_image] =>[orig_patent_app_number] => 12561614 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/561614
Rubber composition for sidewall and tire Sep 16, 2009 Issued
Array ( [id] => 6307865 [patent_doc_number] => 20100069538 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-03-18 [patent_title] => 'Olefin Compositions with Enhanced Adhesion and Light Stability' [patent_app_type] => utility [patent_app_number] => 12/562084 [patent_app_country] => US [patent_app_date] => 2009-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4579 [patent_no_of_claims] => 25 [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/A1/0069/20100069538.pdf [firstpage_image] =>[orig_patent_app_number] => 12562084 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/562084
Olefin Compositions with Enhanced Adhesion and Light Stability Sep 16, 2009 Abandoned
Array ( [id] => 6295107 [patent_doc_number] => 20100160200 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-06-24 [patent_title] => 'Cleaning liquid for semiconductor device and cleaning method' [patent_app_type] => utility [patent_app_number] => 12/585486 [patent_app_country] => US [patent_app_date] => 2009-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6635 [patent_no_of_claims] => 12 [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/A1/0160/20100160200.pdf [firstpage_image] =>[orig_patent_app_number] => 12585486 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/585486
Cleaning liquid for semiconductor device and cleaning method Sep 15, 2009 Issued
Array ( [id] => 7774629 [patent_doc_number] => 08119721 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-02-21 [patent_title] => 'Tread rubber composition for studless tire and studless tire' [patent_app_type] => utility [patent_app_number] => 12/537604 [patent_app_country] => US [patent_app_date] => 2009-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5273 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/119/08119721.pdf [firstpage_image] =>[orig_patent_app_number] => 12537604 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/537604
Tread rubber composition for studless tire and studless tire Aug 6, 2009 Issued
Array ( [id] => 4515644 [patent_doc_number] => 07910673 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-03-22 [patent_title] => 'Antistatic agent for thermoplastic resin and antistatic resin composition' [patent_app_type] => utility [patent_app_number] => 12/536071 [patent_app_country] => US [patent_app_date] => 2009-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 9586 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/910/07910673.pdf [firstpage_image] =>[orig_patent_app_number] => 12536071 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/536071
Antistatic agent for thermoplastic resin and antistatic resin composition Aug 4, 2009 Issued
Array ( [id] => 4604326 [patent_doc_number] => 07985305 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-07-26 [patent_title] => 'Method for quenching steel' [patent_app_type] => utility [patent_app_number] => 12/535031 [patent_app_country] => US [patent_app_date] => 2009-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3382 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/985/07985305.pdf [firstpage_image] =>[orig_patent_app_number] => 12535031 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/535031
Method for quenching steel Aug 3, 2009 Issued
Array ( [id] => 4515635 [patent_doc_number] => 07910670 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-03-22 [patent_title] => 'Methods of preparation of an olefin oligomerization catalyst' [patent_app_type] => utility [patent_app_number] => 12/534536 [patent_app_country] => US [patent_app_date] => 2009-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 26 [patent_no_of_words] => 35398 [patent_no_of_claims] => 14 [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/07/910/07910670.pdf [firstpage_image] =>[orig_patent_app_number] => 12534536 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/534536
Methods of preparation of an olefin oligomerization catalyst Aug 2, 2009 Issued
Array ( [id] => 4464908 [patent_doc_number] => 07935774 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-05-03 [patent_title] => 'Particulate water-absorbent polymer and production method thereof' [patent_app_type] => utility [patent_app_number] => 12/501734 [patent_app_country] => US [patent_app_date] => 2009-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 16734 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/935/07935774.pdf [firstpage_image] =>[orig_patent_app_number] => 12501734 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/501734
Particulate water-absorbent polymer and production method thereof Jul 12, 2009 Issued
Array ( [id] => 4464908 [patent_doc_number] => 07935774 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-05-03 [patent_title] => 'Particulate water-absorbent polymer and production method thereof' [patent_app_type] => utility [patent_app_number] => 12/501734 [patent_app_country] => US [patent_app_date] => 2009-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 16734 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/935/07935774.pdf [firstpage_image] =>[orig_patent_app_number] => 12501734 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/501734
Particulate water-absorbent polymer and production method thereof Jul 12, 2009 Issued
Array ( [id] => 8201345 [patent_doc_number] => 08188175 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-05-29 [patent_title] => 'Wood substitute material and its use' [patent_app_type] => utility [patent_app_number] => 13/054054 [patent_app_country] => US [patent_app_date] => 2009-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2775 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/188/08188175.pdf [firstpage_image] =>[orig_patent_app_number] => 13054054 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/054054
Wood substitute material and its use Jul 10, 2009 Issued
Array ( [id] => 6480452 [patent_doc_number] => 20100041815 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-02-18 [patent_title] => 'PRODUCTION PROCESS OF RUBBER COMPOSITION AND RUBBER COMPOSITION USING THE PROCESS, AND TIRE USING THE RUBBER COMPOSITION' [patent_app_type] => utility [patent_app_number] => 12/500294 [patent_app_country] => US [patent_app_date] => 2009-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6954 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0041/20100041815.pdf [firstpage_image] =>[orig_patent_app_number] => 12500294 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/500294
Production process of rubber composition and rubber composition using the process, and tire using the rubber composition Jul 8, 2009 Issued
Array ( [id] => 24156 [patent_doc_number] => 07795331 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-09-14 [patent_title] => 'Polyaniline/carbon black composite and preparation method thereof' [patent_app_type] => utility [patent_app_number] => 12/458265 [patent_app_country] => US [patent_app_date] => 2009-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 20 [patent_no_of_words] => 6317 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/795/07795331.pdf [firstpage_image] =>[orig_patent_app_number] => 12458265 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/458265
Polyaniline/carbon black composite and preparation method thereof Jul 6, 2009 Issued
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