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] => 8646644 [patent_doc_number] => 20130032374 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-02-07 [patent_title] => 'POLYAMIDE-IMIDE RESIN INSULATING VARNISH AND METHOD OF MANUFACTURING THE SAME, INSULATED WIRE AND COIL' [patent_app_type] => utility [patent_app_number] => 13/564514 [patent_app_country] => US [patent_app_date] => 2012-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5585 [patent_no_of_claims] => 8 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13564514 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/564514
POLYAMIDE-IMIDE RESIN INSULATING VARNISH AND METHOD OF MANUFACTURING THE SAME, INSULATED WIRE AND COIL Jul 31, 2012 Abandoned
Array ( [id] => 9662458 [patent_doc_number] => 08809434 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-08-19 [patent_title] => 'Process for preparing aramid copolymer' [patent_app_type] => utility [patent_app_number] => 13/559661 [patent_app_country] => US [patent_app_date] => 2012-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3412 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 20 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13559661 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/559661
Process for preparing aramid copolymer Jul 26, 2012 Issued
Array ( [id] => 8951367 [patent_doc_number] => 20130197148 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-08-01 [patent_title] => 'PROCESS FOR FORMING AN ARAMID COPOLYMER' [patent_app_type] => utility [patent_app_number] => 13/559681 [patent_app_country] => US [patent_app_date] => 2012-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4531 [patent_no_of_claims] => 16 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13559681 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/559681
Process for forming an aramid copolymer Jul 26, 2012 Issued
Array ( [id] => 9538490 [patent_doc_number] => 20140163137 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-06-12 [patent_title] => 'NON-HALOGENATED FLAME RETARDANT POLYCARBONATE COMPOUNDS' [patent_app_type] => utility [patent_app_number] => 14/232587 [patent_app_country] => US [patent_app_date] => 2012-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5117 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14232587 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/232587
Non-halogenated flame retardant polycarbonate compounds Jul 11, 2012 Issued
Array ( [id] => 9562180 [patent_doc_number] => 20140179893 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-06-26 [patent_title] => 'BRANCHED LACTIC ACID POLYMERS WITH HIGH VISCOSITY IN THE MOLTEN STATE AND HIGH SHEAR SENSITIVITY, AND NANOCOMPOSITES THEREOF' [patent_app_type] => utility [patent_app_number] => 14/131003 [patent_app_country] => US [patent_app_date] => 2012-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2826 [patent_no_of_claims] => 13 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14131003 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/131003
BRANCHED LACTIC ACID POLYMERS WITH HIGH VISCOSITY IN THE MOLTEN STATE AND HIGH SHEAR SENSITIVITY, AND NANOCOMPOSITES THEREOF Jul 5, 2012 Abandoned
Array ( [id] => 9477984 [patent_doc_number] => 20140135447 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-05-15 [patent_title] => 'PREPARATION OF IMIDE OLIGOMERS' [patent_app_type] => utility [patent_app_number] => 14/130842 [patent_app_country] => US [patent_app_date] => 2012-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2885 [patent_no_of_claims] => 17 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14130842 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/130842
PREPARATION OF IMIDE OLIGOMERS Jul 2, 2012 Abandoned
Array ( [id] => 9817852 [patent_doc_number] => 08927637 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-01-06 [patent_title] => 'Metal scavenging polymers and uses thereof' [patent_app_type] => utility [patent_app_number] => 13/538030 [patent_app_country] => US [patent_app_date] => 2012-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 8069 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13538030 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/538030
Metal scavenging polymers and uses thereof Jun 28, 2012 Issued
Array ( [id] => 9135786 [patent_doc_number] => 20130296501 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-11-07 [patent_title] => 'POLYIMIDOTHIOETHERS-INORGANIC NANOPARTICLE HYBRID MATERIAL, INTERMEDIATE THEREOF AND THEIR PREPARATION' [patent_app_type] => utility [patent_app_number] => 13/535110 [patent_app_country] => US [patent_app_date] => 2012-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5672 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13535110 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/535110
Polyimidothioethers-inorganic nanoparticle hybrid material, intermediate thereof and their preparation Jun 26, 2012 Issued
Array ( [id] => 10601334 [patent_doc_number] => 09321888 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-04-26 [patent_title] => 'Branched polyamide' [patent_app_type] => utility [patent_app_number] => 14/130612 [patent_app_country] => US [patent_app_date] => 2012-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10108 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 267 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14130612 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/130612
Branched polyamide Jun 25, 2012 Issued
Array ( [id] => 8567410 [patent_doc_number] => 20120329981 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-12-27 [patent_title] => 'PROCESS TO PRODUCE VALEROLACTONE FROM LEVULINIC ACID' [patent_app_type] => utility [patent_app_number] => 13/528281 [patent_app_country] => US [patent_app_date] => 2012-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2744 [patent_no_of_claims] => 16 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13528281 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/528281
Process to produce valerolactone from levulinic acid Jun 19, 2012 Issued
Array ( [id] => 9436093 [patent_doc_number] => 20140114000 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-04-24 [patent_title] => 'FLAMEPROOFED ALICYCLIC POLYIMIDE RESIN COMPOSITION AND THIN-WALLED MOLDED BODY OF SAME' [patent_app_type] => utility [patent_app_number] => 14/124113 [patent_app_country] => US [patent_app_date] => 2012-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12117 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14124113 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/124113
FLAMEPROOFED ALICYCLIC POLYIMIDE RESIN COMPOSITION AND THIN-WALLED MOLDED BODY OF SAME Jun 19, 2012 Abandoned
Array ( [id] => 10273980 [patent_doc_number] => 20150158977 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-06-11 [patent_title] => 'POLYAMIDE PRODUCTION METHOD' [patent_app_type] => utility [patent_app_number] => 14/406607 [patent_app_country] => US [patent_app_date] => 2012-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 7743 [patent_no_of_claims] => 10 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14406607 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/406607
Polyamide production method Jun 18, 2012 Issued
Array ( [id] => 9427824 [patent_doc_number] => 08703901 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-04-22 [patent_title] => 'Transparent, highly heat-resistant polyimide precursor and photosensitive polyimide composition thereof' [patent_app_type] => utility [patent_app_number] => 13/484002 [patent_app_country] => US [patent_app_date] => 2012-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5647 [patent_no_of_claims] => 13 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13484002 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/484002
Transparent, highly heat-resistant polyimide precursor and photosensitive polyimide composition thereof May 29, 2012 Issued
Array ( [id] => 8394402 [patent_doc_number] => 20120232243 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-09-13 [patent_title] => 'POLYCARBONATE RESINS AND PROCESSES FOR PRODUCING THE SAME' [patent_app_type] => utility [patent_app_number] => 13/479350 [patent_app_country] => US [patent_app_date] => 2012-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 33643 [patent_no_of_claims] => 53 [patent_no_of_ind_claims] => 12 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13479350 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/479350
Polycarbonate resins and processes for producing the same May 23, 2012 Issued
Array ( [id] => 14697481 [patent_doc_number] => 10376461 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-08-13 [patent_title] => Branched polyether-polyamide block copolymers and methods of making and using the same [patent_app_type] => utility [patent_app_number] => 14/233232 [patent_app_country] => US [patent_app_date] => 2012-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12940 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14233232 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/233232
Branched polyether-polyamide block copolymers and methods of making and using the same May 17, 2012 Issued
Array ( [id] => 14697481 [patent_doc_number] => 10376461 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-08-13 [patent_title] => Branched polyether-polyamide block copolymers and methods of making and using the same [patent_app_type] => utility [patent_app_number] => 14/233232 [patent_app_country] => US [patent_app_date] => 2012-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12940 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14233232 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/233232
Branched polyether-polyamide block copolymers and methods of making and using the same May 17, 2012 Issued
Array ( [id] => 11908219 [patent_doc_number] => 09777023 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-10-03 [patent_title] => 'Dinuclear indium catalysts and their use for (Co)polymerization of cyclic esters' [patent_app_type] => utility [patent_app_number] => 14/118433 [patent_app_country] => US [patent_app_date] => 2012-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 13 [patent_no_of_words] => 20512 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14118433 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/118433
Dinuclear indium catalysts and their use for (Co)polymerization of cyclic esters May 17, 2012 Issued
Array ( [id] => 9977725 [patent_doc_number] => 09024037 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2015-05-05 [patent_title] => 'Two-photon absorbing polymers based on triarylamine-benzobisthiazole-triarylamine quadrupolar-structure motif' [patent_app_type] => utility [patent_app_number] => 13/475187 [patent_app_country] => US [patent_app_date] => 2012-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4125 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 9 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13475187 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/475187
Two-photon absorbing polymers based on triarylamine-benzobisthiazole-triarylamine quadrupolar-structure motif May 17, 2012 Issued
Array ( [id] => 8496656 [patent_doc_number] => 20120296064 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-11-22 [patent_title] => 'METHODS AND SYSTEMS FOR THE CONTINUOUS ADDITION OF BRANCHING AGENTS INTO MELT POLYCARBONATE POLYMERIZATION PROCESSES' [patent_app_type] => utility [patent_app_number] => 13/470494 [patent_app_country] => US [patent_app_date] => 2012-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5974 [patent_no_of_claims] => 35 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13470494 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/470494
METHODS AND SYSTEMS FOR THE CONTINUOUS ADDITION OF BRANCHING AGENTS INTO MELT POLYCARBONATE POLYMERIZATION PROCESSES May 13, 2012 Abandoned
Array ( [id] => 8567407 [patent_doc_number] => 20120329978 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-12-27 [patent_title] => 'POLYMER DYE' [patent_app_type] => utility [patent_app_number] => 13/461933 [patent_app_country] => US [patent_app_date] => 2012-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 6337 [patent_no_of_claims] => 9 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13461933 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/461933
Polymer dye May 1, 2012 Issued
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