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] => 8516881 [patent_doc_number] => 20120316290 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-12-13 [patent_title] => 'Melt Processable Copolyurea Elastomers' [patent_app_type] => utility [patent_app_number] => 13/579949 [patent_app_country] => US [patent_app_date] => 2011-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5225 [patent_no_of_claims] => 24 [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] => 13579949 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/579949
Melt Processable Copolyurea Elastomers Feb 23, 2011 Abandoned
Array ( [id] => 8618329 [patent_doc_number] => 20130023642 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-01-24 [patent_title] => 'POLYESTER AMIDE COMPOUND' [patent_app_type] => utility [patent_app_number] => 13/638292 [patent_app_country] => US [patent_app_date] => 2011-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 16450 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13638292 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/638292
POLYESTER AMIDE COMPOUND Feb 22, 2011 Abandoned
Array ( [id] => 10039312 [patent_doc_number] => 09080010 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-07-14 [patent_title] => 'Process for preparing polyether carbonate polyols with double metal cyanide catalysts and in the presence of metal salts' [patent_app_type] => utility [patent_app_number] => 13/579222 [patent_app_country] => US [patent_app_date] => 2011-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13698 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13579222 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/579222
Process for preparing polyether carbonate polyols with double metal cyanide catalysts and in the presence of metal salts Feb 16, 2011 Issued
Array ( [id] => 8671537 [patent_doc_number] => 20130046075 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-02-21 [patent_title] => 'PROCESS FOR GAMMA-BUTYROLACTONE PRODUCTION' [patent_app_type] => utility [patent_app_number] => 13/578214 [patent_app_country] => US [patent_app_date] => 2011-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2295 [patent_no_of_claims] => 31 [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] => 13578214 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/578214
Process for gamma-butyrolactone production Feb 10, 2011 Issued
Array ( [id] => 6168161 [patent_doc_number] => 20110196093 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-08-11 [patent_title] => 'METHOD OF FORMING A POLYAMIDE' [patent_app_type] => utility [patent_app_number] => 13/025795 [patent_app_country] => US [patent_app_date] => 2011-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7533 [patent_no_of_claims] => 25 [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/A1/0196/20110196093.pdf [firstpage_image] =>[orig_patent_app_number] => 13025795 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/025795
Method of forming a polyamide Feb 10, 2011 Issued
Array ( [id] => 6176049 [patent_doc_number] => 20110120753 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-05-26 [patent_title] => 'CURABLE RESIN COMPOSITION FOR INK JET PRINTER, CURED PRODUCT THEREOF, AND PRINTED WIRING BOARD USING THE SAME' [patent_app_type] => utility [patent_app_number] => 13/019743 [patent_app_country] => US [patent_app_date] => 2011-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5150 [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/A1/0120/20110120753.pdf [firstpage_image] =>[orig_patent_app_number] => 13019743 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/019743
CURABLE RESIN COMPOSITION FOR INK JET PRINTER, CURED PRODUCT THEREOF, AND PRINTED WIRING BOARD USING THE SAME Feb 1, 2011 Abandoned
Array ( [id] => 6212560 [patent_doc_number] => 20110135860 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-06-09 [patent_title] => 'BLENDS OF TRANSPARENT AMORPHOUS POLYAMIDES BASED ON DIAMINES AND ON TETRADECANEDIOIC ACID AND SEMICRYSTALLINE POLYAMIDES' [patent_app_type] => utility [patent_app_number] => 13/016042 [patent_app_country] => US [patent_app_date] => 2011-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3253 [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/A1/0135/20110135860.pdf [firstpage_image] =>[orig_patent_app_number] => 13016042 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/016042
BLENDS OF TRANSPARENT AMORPHOUS POLYAMIDES BASED ON DIAMINES AND ON TETRADECANEDIOIC ACID AND SEMICRYSTALLINE POLYAMIDES Jan 27, 2011 Abandoned
Array ( [id] => 6190040 [patent_doc_number] => 20110172324 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-07-14 [patent_title] => 'NOVEL WATER SOLUBLE POLYIMIDE RESIN, ITS PREPARATION AND USE' [patent_app_type] => utility [patent_app_number] => 13/005041 [patent_app_country] => US [patent_app_date] => 2011-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6394 [patent_no_of_claims] => 12 [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/A1/0172/20110172324.pdf [firstpage_image] =>[orig_patent_app_number] => 13005041 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/005041
Water soluble polyimide resin, its preparation and use Jan 11, 2011 Issued
Array ( [id] => 6190101 [patent_doc_number] => 20110172385 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-07-14 [patent_title] => 'Solvent resistant polymers' [patent_app_type] => utility [patent_app_number] => 12/930476 [patent_app_country] => US [patent_app_date] => 2011-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3360 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0172/20110172385.pdf [firstpage_image] =>[orig_patent_app_number] => 12930476 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/930476
Solvent resistant polymers Jan 6, 2011 Issued
Array ( [id] => 9711025 [patent_doc_number] => 08835595 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-09-16 [patent_title] => 'Polyamide compound' [patent_app_type] => utility [patent_app_number] => 13/519205 [patent_app_country] => US [patent_app_date] => 2010-12-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 29606 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [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] => 13519205 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/519205
Polyamide compound Dec 23, 2010 Issued
Array ( [id] => 10882666 [patent_doc_number] => 08907046 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-12-09 [patent_title] => 'Copolymers with perfluoropolyether segment and multiple aminooxalylamino groups' [patent_app_type] => utility [patent_app_number] => 13/514661 [patent_app_country] => US [patent_app_date] => 2010-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16561 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 11 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13514661 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/514661
Copolymers with perfluoropolyether segment and multiple aminooxalylamino groups Dec 21, 2010 Issued
Array ( [id] => 8968823 [patent_doc_number] => 08507634 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-08-13 [patent_title] => 'Polyimide intermediate transfer belt' [patent_app_type] => utility [patent_app_number] => 12/975395 [patent_app_country] => US [patent_app_date] => 2010-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 4263 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [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] => 12975395 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/975395
Polyimide intermediate transfer belt Dec 21, 2010 Issued
Array ( [id] => 8567373 [patent_doc_number] => 20120329944 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-12-27 [patent_title] => 'SEMIAROMATIC POLYAMIDE, PROCESS FOR PREPARING SAME, COMPOSITION COMPRISING SUCH A POLYAMIDE AND USES THEREOF' [patent_app_type] => utility [patent_app_number] => 13/518695 [patent_app_country] => US [patent_app_date] => 2010-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5343 [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] => 13518695 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/518695
SEMIAROMATIC POLYAMIDE, PROCESS FOR PREPARING SAME, COMPOSITION COMPRISING SUCH A POLYAMIDE AND USES THEREOF Dec 20, 2010 Abandoned
Array ( [id] => 9748495 [patent_doc_number] => 08839960 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-09-23 [patent_title] => 'Polymeric matrices formed from monomers comprising a protected amine group' [patent_app_type] => utility [patent_app_number] => 12/974054 [patent_app_country] => US [patent_app_date] => 2010-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 7456 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12974054 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/974054
Polymeric matrices formed from monomers comprising a protected amine group Dec 20, 2010 Issued
Array ( [id] => 8484000 [patent_doc_number] => 20120283407 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-11-08 [patent_title] => 'New polyamide, polyimide or polyamide-imide comprising dibenzodiazocine units' [patent_app_type] => utility [patent_app_number] => 13/517233 [patent_app_country] => US [patent_app_date] => 2010-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7853 [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] => 13517233 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/517233
New polyamide, polyimide or polyamide-imide comprising dibenzodiazocine units Dec 16, 2010 Abandoned
Array ( [id] => 9323680 [patent_doc_number] => 08658702 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-02-25 [patent_title] => 'Soluble anion exchangers from hyperbranched macromolecules' [patent_app_type] => utility [patent_app_number] => 12/972423 [patent_app_country] => US [patent_app_date] => 2010-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 36 [patent_figures_cnt] => 36 [patent_no_of_words] => 7551 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 6 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12972423 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/972423
Soluble anion exchangers from hyperbranched macromolecules Dec 16, 2010 Issued
Array ( [id] => 5962018 [patent_doc_number] => 20110146907 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-06-23 [patent_title] => 'Binding fiber for bonding of flat material containing natural fibers' [patent_app_type] => utility [patent_app_number] => 12/928732 [patent_app_country] => US [patent_app_date] => 2010-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4110 [patent_no_of_claims] => 20 [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/A1/0146/20110146907.pdf [firstpage_image] =>[orig_patent_app_number] => 12928732 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/928732
Binding fiber for bonding of flat material containing natural fibers Dec 16, 2010 Issued
Array ( [id] => 8477994 [patent_doc_number] => 20120277401 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-11-01 [patent_title] => 'METHOD FOR MANUFACTURING A WHOLLY AROMATIC POLYIMIDE RESIN HAVING IMPROVED HEAT RESISTANCE AND ELONGATION PROPERTIES IN A HIGH TEMPERATURE RANGE' [patent_app_type] => utility [patent_app_number] => 13/520103 [patent_app_country] => US [patent_app_date] => 2010-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3839 [patent_no_of_claims] => 7 [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] => 13520103 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/520103
METHOD FOR MANUFACTURING A WHOLLY AROMATIC POLYIMIDE RESIN HAVING IMPROVED HEAT RESISTANCE AND ELONGATION PROPERTIES IN A HIGH TEMPERATURE RANGE Dec 7, 2010 Abandoned
Array ( [id] => 8477996 [patent_doc_number] => 20120277403 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-11-01 [patent_title] => 'METHOD FOR BULK POLYMERIZATION OF LACTIDE' [patent_app_type] => utility [patent_app_number] => 13/511155 [patent_app_country] => US [patent_app_date] => 2010-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2371 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13511155 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/511155
Method for bulk polymerization of lactide Dec 2, 2010 Issued
Array ( [id] => 8417808 [patent_doc_number] => 20120245308 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-09-27 [patent_title] => 'PROCESS FOR PREPARING POLYAMIDES' [patent_app_type] => utility [patent_app_number] => 13/514364 [patent_app_country] => US [patent_app_date] => 2010-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3666 [patent_no_of_claims] => 13 [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] => 13514364 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/514364
Process for preparing polyamides Dec 2, 2010 Issued
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