Search

Eric Chang

Examiner (ID: 15894, Phone: (571)272-3671 , Office: P/2116 )

Most Active Art Unit
2116
Art Unit(s)
2186, 2116, 2185
Total Applications
657
Issued Applications
458
Pending Applications
14
Abandoned Applications
185

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 5490188 [patent_doc_number] => 20090291259 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-11-26 [patent_title] => 'POLYIMIDE RESIN' [patent_app_type] => utility [patent_app_number] => 12/307784 [patent_app_country] => US [patent_app_date] => 2007-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13408 [patent_no_of_claims] => 25 [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/A1/0291/20090291259.pdf [firstpage_image] =>[orig_patent_app_number] => 12307784 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/307784
Polyimide resin Jul 4, 2007 Issued
Array ( [id] => 4910425 [patent_doc_number] => 20080021192 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-01-24 [patent_title] => 'PROCESS FOR THE PREPARATION OF COPOLYMER-1' [patent_app_type] => utility [patent_app_number] => 11/773864 [patent_app_country] => US [patent_app_date] => 2007-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 6194 [patent_no_of_claims] => 23 [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/A1/0021/20080021192.pdf [firstpage_image] =>[orig_patent_app_number] => 11773864 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/773864
PROCESS FOR THE PREPARATION OF COPOLYMER-1 Jul 4, 2007 Abandoned
Array ( [id] => 5436477 [patent_doc_number] => 20090171064 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-07-02 [patent_title] => 'BIO-DEGRADABLE/ ABSORBABLE POLYMER HAVING REDUCED METAL CATALYST CONTENT, AND PROCESS FOR PRODUCTION THEREOF' [patent_app_type] => utility [patent_app_number] => 12/305104 [patent_app_country] => US [patent_app_date] => 2007-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 7231 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0171/20090171064.pdf [firstpage_image] =>[orig_patent_app_number] => 12305104 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/305104
BIO-DEGRADABLE/ ABSORBABLE POLYMER HAVING REDUCED METAL CATALYST CONTENT, AND PROCESS FOR PRODUCTION THEREOF Jun 17, 2007 Abandoned
Array ( [id] => 10838178 [patent_doc_number] => 08865855 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-10-21 [patent_title] => 'Polycarbonate copolymer and method of producing the same' [patent_app_type] => utility [patent_app_number] => 12/305660 [patent_app_country] => US [patent_app_date] => 2007-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 21396 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12305660 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/305660
Polycarbonate copolymer and method of producing the same Jun 13, 2007 Issued
Array ( [id] => 5231521 [patent_doc_number] => 20070293629 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-12-20 [patent_title] => 'PREPARATION OF POLAMIDE BLOCK COPOLYMERS' [patent_app_type] => utility [patent_app_number] => 11/756045 [patent_app_country] => US [patent_app_date] => 2007-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 7261 [patent_no_of_claims] => 20 [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/A1/0293/20070293629.pdf [firstpage_image] =>[orig_patent_app_number] => 11756045 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/756045
Preparation of polyamide block copolymers May 30, 2007 Issued
Array ( [id] => 5353003 [patent_doc_number] => 20090184347 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-07-23 [patent_title] => 'COATING LIQUID FOR GATE INSULATING FILM, GATE INSULATING FILM AND ORGANIC TRANSISTOR' [patent_app_type] => utility [patent_app_number] => 12/302031 [patent_app_country] => US [patent_app_date] => 2007-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 12103 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0184/20090184347.pdf [firstpage_image] =>[orig_patent_app_number] => 12302031 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/302031
COATING LIQUID FOR GATE INSULATING FILM, GATE INSULATING FILM AND ORGANIC TRANSISTOR May 22, 2007 Abandoned
Array ( [id] => 5085266 [patent_doc_number] => 20070275317 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-11-29 [patent_title] => 'RESIN FOR TONER AND TONER' [patent_app_type] => utility [patent_app_number] => 11/751393 [patent_app_country] => US [patent_app_date] => 2007-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19451 [patent_no_of_claims] => 17 [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/A1/0275/20070275317.pdf [firstpage_image] =>[orig_patent_app_number] => 11751393 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/751393
RESIN FOR TONER AND TONER May 20, 2007 Abandoned
Array ( [id] => 5398553 [patent_doc_number] => 20090318616 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-12-24 [patent_title] => 'Furanone Endcapped Polymers' [patent_app_type] => utility [patent_app_number] => 12/299705 [patent_app_country] => US [patent_app_date] => 2007-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4645 [patent_no_of_claims] => 20 [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/A1/0318/20090318616.pdf [firstpage_image] =>[orig_patent_app_number] => 12299705 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/299705
Furanone endcapped polymers May 13, 2007 Issued
Array ( [id] => 5285643 [patent_doc_number] => 20090099318 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-04-16 [patent_title] => 'POLYAMIDE RESIN' [patent_app_type] => utility [patent_app_number] => 12/298150 [patent_app_country] => US [patent_app_date] => 2007-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6172 [patent_no_of_claims] => 8 [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/A1/0099/20090099318.pdf [firstpage_image] =>[orig_patent_app_number] => 12298150 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/298150
Polyamide resin May 9, 2007 Issued
Array ( [id] => 5112679 [patent_doc_number] => 20070196594 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-08-23 [patent_title] => 'Photo-alignment material and liquid crystal display device and its manufacturing method using the same' [patent_app_type] => utility [patent_app_number] => 11/785733 [patent_app_country] => US [patent_app_date] => 2007-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2323 [patent_no_of_claims] => 4 [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/A1/0196/20070196594.pdf [firstpage_image] =>[orig_patent_app_number] => 11785733 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/785733
Photo-alignment material and liquid crystal display device and its manufacturing method using the same Apr 18, 2007 Issued
Array ( [id] => 4688962 [patent_doc_number] => 20080033143 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-02-07 [patent_title] => 'Polyamide prepolymer and polyamide, and method for producing them' [patent_app_type] => utility [patent_app_number] => 11/787771 [patent_app_country] => US [patent_app_date] => 2007-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 8950 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 20 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0033/20080033143.pdf [firstpage_image] =>[orig_patent_app_number] => 11787771 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/787771
Polyamide prepolymer and polyamide, and method for producing them Apr 17, 2007 Abandoned
Array ( [id] => 9503715 [patent_doc_number] => 08742031 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-06-03 [patent_title] => 'Solvent-soluble 6,6-polyimide copolymers and processes for preparing them' [patent_app_type] => utility [patent_app_number] => 12/594523 [patent_app_country] => US [patent_app_date] => 2007-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6191 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12594523 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/594523
Solvent-soluble 6,6-polyimide copolymers and processes for preparing them Apr 2, 2007 Issued
Array ( [id] => 9483266 [patent_doc_number] => 08729217 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-05-20 [patent_title] => 'Semi-conductive polyimide film' [patent_app_type] => utility [patent_app_number] => 11/727499 [patent_app_country] => US [patent_app_date] => 2007-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4591 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 253 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 11727499 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/727499
Semi-conductive polyimide film Mar 26, 2007 Issued
Array ( [id] => 8807975 [patent_doc_number] => 08445627 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-05-21 [patent_title] => 'Alkylene-dicarboxylate-containing biodegradable poly(ester-amides) and methods of use' [patent_app_type] => utility [patent_app_number] => 11/728100 [patent_app_country] => US [patent_app_date] => 2007-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 17899 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 11728100 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/728100
Alkylene-dicarboxylate-containing biodegradable poly(ester-amides) and methods of use Mar 21, 2007 Issued
Array ( [id] => 7691316 [patent_doc_number] => 20070232717 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-10-04 [patent_title] => 'ADHESIVE COMPOSITION FOR ALGINATE IMPRESSION MATERIAL' [patent_app_type] => utility [patent_app_number] => 11/689241 [patent_app_country] => US [patent_app_date] => 2007-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2275 [patent_no_of_claims] => 1 [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/A1/0232/20070232717.pdf [firstpage_image] =>[orig_patent_app_number] => 11689241 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/689241
ADHESIVE COMPOSITION FOR ALGINATE IMPRESSION MATERIAL Mar 20, 2007 Abandoned
Array ( [id] => 4977261 [patent_doc_number] => 20070218494 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-09-20 [patent_title] => 'Branched polymer lables as drag-tags in free solution electrophoresis' [patent_app_type] => utility [patent_app_number] => 11/723321 [patent_app_country] => US [patent_app_date] => 2007-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 13710 [patent_no_of_claims] => 20 [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/A1/0218/20070218494.pdf [firstpage_image] =>[orig_patent_app_number] => 11723321 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/723321
Branched polymer lables as drag-tags in free solution electrophoresis Mar 18, 2007 Abandoned
Array ( [id] => 6639575 [patent_doc_number] => 20100174046 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-07-08 [patent_title] => 'POLYETHYLENE IMINE BASED PIGMENT DISPERSANTS' [patent_app_type] => utility [patent_app_number] => 12/225642 [patent_app_country] => US [patent_app_date] => 2007-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6674 [patent_no_of_claims] => 7 [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/A1/0174/20100174046.pdf [firstpage_image] =>[orig_patent_app_number] => 12225642 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/225642
Polyethylene imine based pigment dispersants Mar 18, 2007 Issued
Array ( [id] => 7691253 [patent_doc_number] => 20070232780 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-10-04 [patent_title] => 'PHOTO-ALIGNMENT FILM AND LIQUID CRYSTAL DISPLAY ELEMENT' [patent_app_type] => utility [patent_app_number] => 11/684836 [patent_app_country] => US [patent_app_date] => 2007-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 16266 [patent_no_of_claims] => 19 [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/A1/0232/20070232780.pdf [firstpage_image] =>[orig_patent_app_number] => 11684836 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/684836
Photo-alignment film and liquid crystal display element Mar 11, 2007 Issued
Array ( [id] => 5398600 [patent_doc_number] => 20090318663 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-12-24 [patent_title] => 'Polymerizable Spherical Transition Metal Complex, Spherical Transition Metal Complex, and Production Method Thereof' [patent_app_type] => utility [patent_app_number] => 12/224831 [patent_app_country] => US [patent_app_date] => 2007-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 13935 [patent_no_of_claims] => 17 [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/A1/0318/20090318663.pdf [firstpage_image] =>[orig_patent_app_number] => 12224831 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/224831
Polymerizable Spherical Transition Metal Complex, Spherical Transition Metal Complex, and Production Method Thereof Mar 5, 2007 Abandoned
Array ( [id] => 4529861 [patent_doc_number] => 07923474 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-04-12 [patent_title] => 'Amine dispersants, organic dispersions and related coating compositions' [patent_app_type] => utility [patent_app_number] => 11/679355 [patent_app_country] => US [patent_app_date] => 2007-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7992 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/923/07923474.pdf [firstpage_image] =>[orig_patent_app_number] => 11679355 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/679355
Amine dispersants, organic dispersions and related coating compositions Feb 26, 2007 Issued
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