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] => 10529052 [patent_doc_number] => 09255182 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-02-09 [patent_title] => 'Data storage medium and method for high density data storage' [patent_app_type] => utility [patent_app_number] => 12/056446 [patent_app_country] => US [patent_app_date] => 2008-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 6807 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12056446 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/056446
Data storage medium and method for high density data storage Mar 26, 2008 Issued
Array ( [id] => 4860608 [patent_doc_number] => 20080269458 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-10-30 [patent_title] => 'POLYIMIDE AND LIQUID CRYSTAL ALIGNMENT FILM THEREOF' [patent_app_type] => utility [patent_app_number] => 12/056385 [patent_app_country] => US [patent_app_date] => 2008-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7497 [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/A1/0269/20080269458.pdf [firstpage_image] =>[orig_patent_app_number] => 12056385 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/056385
POLYIMIDE AND LIQUID CRYSTAL ALIGNMENT FILM THEREOF Mar 26, 2008 Abandoned
Array ( [id] => 7801224 [patent_doc_number] => 08129496 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-03-06 [patent_title] => 'Method for high density data storage and imaging' [patent_app_type] => utility [patent_app_number] => 12/056412 [patent_app_country] => US [patent_app_date] => 2008-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 26 [patent_no_of_words] => 7057 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/129/08129496.pdf [firstpage_image] =>[orig_patent_app_number] => 12056412 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/056412
Method for high density data storage and imaging Mar 26, 2008 Issued
Array ( [id] => 6497460 [patent_doc_number] => 20100093971 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-04-15 [patent_title] => 'COPOLYESTERAMIDES WITH DECREASED PERFECTION OF THE AMIDE SEQUENCE' [patent_app_type] => utility [patent_app_number] => 12/528525 [patent_app_country] => US [patent_app_date] => 2008-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 10484 [patent_no_of_claims] => 18 [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/A1/0093/20100093971.pdf [firstpage_image] =>[orig_patent_app_number] => 12528525 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/528525
Copolyesteramides with decreased perfection of the amide sequence Mar 12, 2008 Issued
Array ( [id] => 4752231 [patent_doc_number] => 20080160304 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-07-03 [patent_title] => 'Polyamideimide compositions having multifunctional core structures' [patent_app_type] => utility [patent_app_number] => 12/073730 [patent_app_country] => US [patent_app_date] => 2008-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13351 [patent_no_of_claims] => 19 [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/A1/0160/20080160304.pdf [firstpage_image] =>[orig_patent_app_number] => 12073730 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/073730
Polyamideimide compositions having multifunctional core structures Mar 9, 2008 Abandoned
Array ( [id] => 4677145 [patent_doc_number] => 20080214776 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-09-04 [patent_title] => 'POLYMERIC ESTERQUATS WITH ASYMMETRIC SIDE CHAINS' [patent_app_type] => utility [patent_app_number] => 12/039910 [patent_app_country] => US [patent_app_date] => 2008-02-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8202 [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/A1/0214/20080214776.pdf [firstpage_image] =>[orig_patent_app_number] => 12039910 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/039910
POLYMERIC ESTERQUATS WITH ASYMMETRIC SIDE CHAINS Feb 28, 2008 Abandoned
Array ( [id] => 5564917 [patent_doc_number] => 20090137770 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-05-28 [patent_title] => 'POLYMIDE OPTICAL COMPENSATION FILMS' [patent_app_type] => utility [patent_app_number] => 12/036359 [patent_app_country] => US [patent_app_date] => 2008-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1596 [patent_no_of_claims] => 9 [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/A1/0137/20090137770.pdf [firstpage_image] =>[orig_patent_app_number] => 12036359 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/036359
POLYMIDE OPTICAL COMPENSATION FILMS Feb 24, 2008 Abandoned
Array ( [id] => 5392414 [patent_doc_number] => 20090209727 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-08-20 [patent_title] => 'Process for the production of a material that is degradable in a natural environment with a renewable carbon base' [patent_app_type] => utility [patent_app_number] => 12/071320 [patent_app_country] => US [patent_app_date] => 2008-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1548 [patent_no_of_claims] => 15 [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/A1/0209/20090209727.pdf [firstpage_image] =>[orig_patent_app_number] => 12071320 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/071320
Process for the production of a material that is degradable in a natural environment with a renewable carbon base Feb 19, 2008 Abandoned
Array ( [id] => 7685120 [patent_doc_number] => 20100121021 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-05-13 [patent_title] => 'PROCESS FOR THE PREPARATION OF POLYLACTONES AND POLYLACTAMS' [patent_app_type] => utility [patent_app_number] => 12/527113 [patent_app_country] => US [patent_app_date] => 2008-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3658 [patent_no_of_claims] => 19 [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/A1/0121/20100121021.pdf [firstpage_image] =>[orig_patent_app_number] => 12527113 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/527113
Process for the preparation of polylactones and polylactams Feb 14, 2008 Issued
Array ( [id] => 6456758 [patent_doc_number] => 20100105812 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-04-29 [patent_title] => 'COPOLYAMIDE, COMPOSITION CONTAINING SUCH COPOLYAMIDE AND USE THEREOF' [patent_app_type] => utility [patent_app_number] => 12/526982 [patent_app_country] => US [patent_app_date] => 2008-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2976 [patent_no_of_claims] => 21 [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/A1/0105/20100105812.pdf [firstpage_image] =>[orig_patent_app_number] => 12526982 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/526982
COPOLYAMIDE, COMPOSITION CONTAINING SUCH COPOLYAMIDE AND USE THEREOF Feb 14, 2008 Abandoned
Array ( [id] => 7685117 [patent_doc_number] => 20100121024 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-05-13 [patent_title] => 'METHOD FOR PRODUCING A COPOLYMER OF AT LEAST ONE CYCLIC MONOMER' [patent_app_type] => utility [patent_app_number] => 12/527105 [patent_app_country] => US [patent_app_date] => 2008-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3284 [patent_no_of_claims] => 22 [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/A1/0121/20100121024.pdf [firstpage_image] =>[orig_patent_app_number] => 12527105 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/527105
METHOD FOR PRODUCING A COPOLYMER OF AT LEAST ONE CYCLIC MONOMER Feb 14, 2008 Abandoned
Array ( [id] => 33904 [patent_doc_number] => 07786251 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-08-31 [patent_title] => 'Process for producing polyester ether poly- or mono-ol' [patent_app_type] => utility [patent_app_number] => 12/032052 [patent_app_country] => US [patent_app_date] => 2008-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11550 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/786/07786251.pdf [firstpage_image] =>[orig_patent_app_number] => 12032052 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/032052
Process for producing polyester ether poly- or mono-ol Feb 14, 2008 Issued
Array ( [id] => 4785416 [patent_doc_number] => 20080138745 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-06-12 [patent_title] => 'POLYMER FOR HARD MASK OF SEMICONDUCTOR DEVICE AND COMPOSITION CONTAINING THE SAME' [patent_app_type] => utility [patent_app_number] => 12/027958 [patent_app_country] => US [patent_app_date] => 2008-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 2477 [patent_no_of_claims] => 12 [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/A1/0138/20080138745.pdf [firstpage_image] =>[orig_patent_app_number] => 12027958 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/027958
POLYMER FOR HARD MASK OF SEMICONDUCTOR DEVICE AND COMPOSITION CONTAINING THE SAME Feb 6, 2008 Abandoned
Array ( [id] => 4814163 [patent_doc_number] => 20080194794 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-08-14 [patent_title] => 'MATERIALS FOR THE MANUFACTURE OF PROTON CONDUCTING MEMBRANES, METHODS OF MAKING THE SAME, AND USES THEREOF' [patent_app_type] => utility [patent_app_number] => 12/025793 [patent_app_country] => US [patent_app_date] => 2008-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4226 [patent_no_of_claims] => 44 [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/A1/0194/20080194794.pdf [firstpage_image] =>[orig_patent_app_number] => 12025793 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/025793
MATERIALS FOR THE MANUFACTURE OF PROTON CONDUCTING MEMBRANES, METHODS OF MAKING THE SAME, AND USES THEREOF Feb 4, 2008 Abandoned
Array ( [id] => 4846556 [patent_doc_number] => 20080182964 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-07-31 [patent_title] => 'PRODUCTION OF A FUNCTIONALIZED POLYTRIAZOLE POLYMER' [patent_app_type] => utility [patent_app_number] => 12/022237 [patent_app_country] => US [patent_app_date] => 2008-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3407 [patent_no_of_claims] => 32 [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/A1/0182/20080182964.pdf [firstpage_image] =>[orig_patent_app_number] => 12022237 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/022237
Production of a functionalized polytriazole polymer Jan 29, 2008 Issued
Array ( [id] => 6601078 [patent_doc_number] => 20100048854 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-02-25 [patent_title] => 'POLYCARBONATE RESIN AND MANUFACTURING PROCESS THEREOF' [patent_app_type] => utility [patent_app_number] => 12/522090 [patent_app_country] => US [patent_app_date] => 2008-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5981 [patent_no_of_claims] => 15 [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/A1/0048/20100048854.pdf [firstpage_image] =>[orig_patent_app_number] => 12522090 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/522090
POLYCARBONATE RESIN AND MANUFACTURING PROCESS THEREOF Jan 28, 2008 Abandoned
Array ( [id] => 4887859 [patent_doc_number] => 20080262191 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-10-23 [patent_title] => 'METHODS FOR THE PREPARATION OF IMIDES, MALEIMIDES AND MALEIMIDE-TERMINATED POLYIMIDE COMPOUNDS' [patent_app_type] => utility [patent_app_number] => 12/021283 [patent_app_country] => US [patent_app_date] => 2008-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5783 [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/A1/0262/20080262191.pdf [firstpage_image] =>[orig_patent_app_number] => 12021283 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/021283
METHODS FOR THE PREPARATION OF IMIDES, MALEIMIDES AND MALEIMIDE-TERMINATED POLYIMIDE COMPOUNDS Jan 27, 2008 Abandoned
Array ( [id] => 4901586 [patent_doc_number] => 20080110998 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-05-15 [patent_title] => 'Moisture-Absorbing Polymer Particle,Method for Forming the same and Application thereof' [patent_app_type] => utility [patent_app_number] => 12/015852 [patent_app_country] => US [patent_app_date] => 2008-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5859 [patent_no_of_claims] => 33 [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/A1/0110/20080110998.pdf [firstpage_image] =>[orig_patent_app_number] => 12015852 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/015852
Moisture-Absorbing Polymer Particle,Method for Forming the same and Application thereof Jan 16, 2008 Abandoned
Array ( [id] => 6502398 [patent_doc_number] => 20100286343 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-11-11 [patent_title] => 'Surfaces containing coupling activator compounds and reinforced composites produced therefrom' [patent_app_type] => utility [patent_app_number] => 12/008041 [patent_app_country] => US [patent_app_date] => 2008-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5110 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0286/20100286343.pdf [firstpage_image] =>[orig_patent_app_number] => 12008041 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/008041
Surfaces containing coupling activator compounds and reinforced composites produced therefrom Jan 7, 2008 Abandoned
Array ( [id] => 8398551 [patent_doc_number] => 08268933 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-09-18 [patent_title] => 'Polymers functionalized with polyimine compounds' [patent_app_type] => utility [patent_app_number] => 11/967586 [patent_app_country] => US [patent_app_date] => 2007-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 12050 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 6 [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] => 11967586 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/967586
Polymers functionalized with polyimine compounds Dec 30, 2007 Issued
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