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] => 11582971 [patent_doc_number] => 09637596 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-05-02 [patent_title] => 'Polyhemiaminal and polyhexahydrotriazine materials from 1,4 conjugate addition reactions' [patent_app_type] => utility [patent_app_number] => 14/642920 [patent_app_country] => US [patent_app_date] => 2015-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5718 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 14 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14642920 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/642920
Polyhemiaminal and polyhexahydrotriazine materials from 1,4 conjugate addition reactions Mar 9, 2015 Issued
Array ( [id] => 15422697 [patent_doc_number] => 10544262 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-01-28 [patent_title] => Polyamide [patent_app_type] => utility [patent_app_number] => 15/301257 [patent_app_country] => US [patent_app_date] => 2015-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8274 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15301257 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/301257
Polyamide Mar 5, 2015 Issued
Array ( [id] => 10534943 [patent_doc_number] => 09260564 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-02-16 [patent_title] => 'Catalyst for non-isocyanate based polyurethane' [patent_app_type] => utility [patent_app_number] => 14/635075 [patent_app_country] => US [patent_app_date] => 2015-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 4284 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14635075 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/635075
Catalyst for non-isocyanate based polyurethane Mar 1, 2015 Issued
Array ( [id] => 11336763 [patent_doc_number] => 20160362518 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-12-15 [patent_title] => 'METHOD FOR PRODUCING POLYETHER ESTER CARBONATE POLYOLS' [patent_app_type] => utility [patent_app_number] => 15/121590 [patent_app_country] => US [patent_app_date] => 2015-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14871 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15121590 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/121590
Method for producing polyether ester carbonate polyols Feb 22, 2015 Issued
Array ( [id] => 11311865 [patent_doc_number] => 20160347975 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-12-01 [patent_title] => 'DUAL-PACK ADHESIVE AND STRUCTURAL PIECE CONTAINING SAME' [patent_app_type] => utility [patent_app_number] => 15/117534 [patent_app_country] => US [patent_app_date] => 2015-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 7925 [patent_no_of_claims] => 21 [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] => 15117534 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/117534
DUAL-PACK ADHESIVE AND STRUCTURAL PIECE CONTAINING SAME Feb 16, 2015 Abandoned
Array ( [id] => 15915487 [patent_doc_number] => 10654974 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-05-19 [patent_title] => Bone repair material of multivariant amino acid polymer-hydroxyapatite, supportive implants and the preparation method thereof [patent_app_type] => utility [patent_app_number] => 15/524491 [patent_app_country] => US [patent_app_date] => 2015-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 6435 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15524491 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/524491
Bone repair material of multivariant amino acid polymer-hydroxyapatite, supportive implants and the preparation method thereof Jan 29, 2015 Issued
Array ( [id] => 11350313 [patent_doc_number] => 20160369054 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-12-22 [patent_title] => 'POLYIMIDE AND FILM USING SAME' [patent_app_type] => utility [patent_app_number] => 15/114093 [patent_app_country] => US [patent_app_date] => 2015-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 5964 [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] => 15114093 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/114093
Polyimide and film using same Jan 25, 2015 Issued
Array ( [id] => 10312601 [patent_doc_number] => 20150197602 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-07-16 [patent_title] => 'MODIFIED POLYAMIDES HAVING ENHANCED MELT FLOW INDICES' [patent_app_type] => utility [patent_app_number] => 14/605739 [patent_app_country] => US [patent_app_date] => 2015-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4958 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14605739 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/605739
MODIFIED POLYAMIDES HAVING ENHANCED MELT FLOW INDICES Jan 25, 2015
Array ( [id] => 11283870 [patent_doc_number] => 09499714 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-11-22 [patent_title] => 'Controlled crosslinking of latex polymers with polyfunctional amines' [patent_app_type] => utility [patent_app_number] => 14/600822 [patent_app_country] => US [patent_app_date] => 2015-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 11495 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14600822 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/600822
Controlled crosslinking of latex polymers with polyfunctional amines Jan 19, 2015 Issued
Array ( [id] => 15726917 [patent_doc_number] => 10611881 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-04-07 [patent_title] => Polyamide fibers [patent_app_type] => utility [patent_app_number] => 15/109694 [patent_app_country] => US [patent_app_date] => 2015-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5779 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15109694 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/109694
Polyamide fibers Jan 11, 2015 Issued
Array ( [id] => 11350315 [patent_doc_number] => 20160369055 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-12-22 [patent_title] => 'A QUICK RESPONSIVE, SHAPE MEMORY THERMOSET POLYIMIDE AND PREPARATION METHOD THEREOF' [patent_app_type] => utility [patent_app_number] => 15/110143 [patent_app_country] => US [patent_app_date] => 2015-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4469 [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] => 15110143 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/110143
Quick responsive, shape memory thermoset polyimide and preparation method thereof Jan 6, 2015 Issued
Array ( [id] => 10233479 [patent_doc_number] => 20150118472 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-04-30 [patent_title] => 'POLYIMIDE FILM AND PROCESS FOR PRODUCING THE SAME' [patent_app_type] => utility [patent_app_number] => 14/582989 [patent_app_country] => US [patent_app_date] => 2014-12-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 24879 [patent_no_of_claims] => 24 [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] => 14582989 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/582989
POLYIMIDE FILM AND PROCESS FOR PRODUCING THE SAME Dec 23, 2014 Abandoned
Array ( [id] => 11212054 [patent_doc_number] => 09441082 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-09-13 [patent_title] => 'Polyimide film and process for producing the same' [patent_app_type] => utility [patent_app_number] => 14/583009 [patent_app_country] => US [patent_app_date] => 2014-12-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 24864 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14583009 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/583009
Polyimide film and process for producing the same Dec 23, 2014 Issued
Array ( [id] => 13716833 [patent_doc_number] => 20170369371 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-12-28 [patent_title] => DERIVATIZED POLYIMIDES AND METHODS OF MAKING AND USING [patent_app_type] => utility [patent_app_number] => 15/535951 [patent_app_country] => US [patent_app_date] => 2014-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11032 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15535951 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/535951
DERIVATIZED POLYIMIDES AND METHODS OF MAKING AND USING Dec 21, 2014 Abandoned
Array ( [id] => 12092612 [patent_doc_number] => 20170349705 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-12-07 [patent_title] => 'NYLON SALT AND PREPARATION METHOD THEREFOR' [patent_app_type] => utility [patent_app_number] => 15/536906 [patent_app_country] => US [patent_app_date] => 2014-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5993 [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] => 15536906 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/536906
Nylon salt and preparation method therefor Dec 16, 2014 Issued
Array ( [id] => 11429128 [patent_doc_number] => 09567436 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-02-14 [patent_title] => 'Super high selectivity aromatic block copolyimide membranes for separations' [patent_app_type] => utility [patent_app_number] => 14/574319 [patent_app_country] => US [patent_app_date] => 2014-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7303 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14574319 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/574319
Super high selectivity aromatic block copolyimide membranes for separations Dec 16, 2014 Issued
Array ( [id] => 11243022 [patent_doc_number] => 09469048 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-10-18 [patent_title] => 'Polyimide powder having high thermooxidative stability' [patent_app_type] => utility [patent_app_number] => 14/571451 [patent_app_country] => US [patent_app_date] => 2014-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9575 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14571451 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/571451
Polyimide powder having high thermooxidative stability Dec 15, 2014 Issued
Array ( [id] => 10685906 [patent_doc_number] => 20160032051 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-02-04 [patent_title] => 'Copolymerized Polyamide Resin, Method for Preparing the Same and Article Comprising the Same' [patent_app_type] => utility [patent_app_number] => 14/566813 [patent_app_country] => US [patent_app_date] => 2014-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6988 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14566813 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/566813
Copolymerized Polyamide Resin, Method for Preparing the Same and Article Comprising the Same Dec 10, 2014 Abandoned
Array ( [id] => 11114229 [patent_doc_number] => 20160311201 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-10-27 [patent_title] => 'TIRE COMPRISING A MULTILAYER LAMINATED COMPOSITE' [patent_app_type] => utility [patent_app_number] => 15/104407 [patent_app_country] => US [patent_app_date] => 2014-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6363 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15104407 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/104407
TIRE COMPRISING A MULTILAYER LAMINATED COMPOSITE Dec 10, 2014 Abandoned
Array ( [id] => 11908305 [patent_doc_number] => 09777109 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-10-03 [patent_title] => 'Process for producing polylactide' [patent_app_type] => utility [patent_app_number] => 15/102812 [patent_app_country] => US [patent_app_date] => 2014-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3023 [patent_no_of_claims] => 8 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15102812 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/102812
Process for producing polylactide Dec 8, 2014 Issued
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