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] => 6279629 [patent_doc_number] => 20100155644 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-06-24 [patent_title] => 'AEROGELS CONTAINING SILICON BONDED POLYMERS' [patent_app_type] => utility [patent_app_number] => 12/716609 [patent_app_country] => US [patent_app_date] => 2010-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 8361 [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] => publications/A1/0155/20100155644.pdf [firstpage_image] =>[orig_patent_app_number] => 12716609 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/716609
AEROGELS CONTAINING SILICON BONDED POLYMERS Mar 2, 2010 Abandoned
Array ( [id] => 7757405 [patent_doc_number] => 20120029164 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-02-02 [patent_title] => 'ESTER GROUP-CONTAINING TETRACARBOXYLIC ACID DIANHYDRIDE, POLYESTER POLYIMIDE PRECURSOR, POLYESTERIMIDE, AND METHODS FOR PRODUCING SAME' [patent_app_type] => utility [patent_app_number] => 13/148764 [patent_app_country] => US [patent_app_date] => 2010-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 13411 [patent_no_of_claims] => 6 [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/A1/0029/20120029164.pdf [firstpage_image] =>[orig_patent_app_number] => 13148764 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/148764
Ester group-containing tetracarboxylic acid dianhydride, polyester polyimide precursor, polyesterimide, and methods for producing same Feb 11, 2010 Issued
Array ( [id] => 6502796 [patent_doc_number] => 20100286358 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-11-11 [patent_title] => 'COPOLYCARRBONATE-POLYESTERS, METHODS OF MANUFACTURE, AND USES THEREOF' [patent_app_type] => utility [patent_app_number] => 12/699309 [patent_app_country] => US [patent_app_date] => 2010-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 14289 [patent_no_of_claims] => 15 [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/A1/0286/20100286358.pdf [firstpage_image] =>[orig_patent_app_number] => 12699309 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/699309
Copolycarbonate-polyesters, methods of manufacture, and uses thereof Feb 2, 2010 Issued
Array ( [id] => 7663858 [patent_doc_number] => 20110313127 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-12-22 [patent_title] => 'METHOD FOR PRODUCING POLYLACTIC ACID' [patent_app_type] => utility [patent_app_number] => 13/146470 [patent_app_country] => US [patent_app_date] => 2010-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6019 [patent_no_of_claims] => 11 [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/A1/0313/20110313127.pdf [firstpage_image] =>[orig_patent_app_number] => 13146470 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/146470
METHOD FOR PRODUCING POLYLACTIC ACID Jan 28, 2010 Abandoned
Array ( [id] => 6137463 [patent_doc_number] => 20110009595 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-01-13 [patent_title] => 'SOLVENT RESISTANT POLYMERS' [patent_app_type] => utility [patent_app_number] => 12/655998 [patent_app_country] => US [patent_app_date] => 2010-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3432 [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/A1/0009/20110009595.pdf [firstpage_image] =>[orig_patent_app_number] => 12655998 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/655998
Solvent resistant polymers Jan 11, 2010 Issued
Array ( [id] => 9762527 [patent_doc_number] => 08846852 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-09-30 [patent_title] => 'Polyimide film' [patent_app_type] => utility [patent_app_number] => 13/142761 [patent_app_country] => US [patent_app_date] => 2009-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12877 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13142761 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/142761
Polyimide film Dec 29, 2009 Issued
Array ( [id] => 7652045 [patent_doc_number] => 20110301314 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-12-08 [patent_title] => 'CONTINUOUS LIQUID-PHASE PROCESS FOR THE SYNTHESIS OF DIAMINOPYRIDINES FROM GLUTARONITRILES' [patent_app_type] => utility [patent_app_number] => 13/131332 [patent_app_country] => US [patent_app_date] => 2009-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 5850 [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/A1/0301/20110301314.pdf [firstpage_image] =>[orig_patent_app_number] => 13131332 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/131332
CONTINUOUS LIQUID-PHASE PROCESS FOR THE SYNTHESIS OF DIAMINOPYRIDINES FROM GLUTARONITRILES Dec 16, 2009 Abandoned
Array ( [id] => 7511651 [patent_doc_number] => 20110257361 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-10-20 [patent_title] => 'ALKYL BENZENE TETRACARBOXYLIC DIANHYDRIDE, MANUFACTURING METHOD THEREOF, POLYIMIDE, AND APPLICATION THEREOF' [patent_app_type] => utility [patent_app_number] => 13/140880 [patent_app_country] => US [patent_app_date] => 2009-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 9549 [patent_no_of_claims] => 13 [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/A1/0257/20110257361.pdf [firstpage_image] =>[orig_patent_app_number] => 13140880 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/140880
ALKYL BENZENE TETRACARBOXYLIC DIANHYDRIDE, MANUFACTURING METHOD THEREOF, POLYIMIDE, AND APPLICATION THEREOF Dec 16, 2009 Abandoned
Array ( [id] => 6296710 [patent_doc_number] => 20100160596 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-06-24 [patent_title] => 'PROCESS FOR THE PREPARATION OF HIGHLY PURE MONOMERS FOR POLYBENZIMIDAZOLE MATERIALS' [patent_app_type] => utility [patent_app_number] => 12/634745 [patent_app_country] => US [patent_app_date] => 2009-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6818 [patent_no_of_claims] => 14 [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/A1/0160/20100160596.pdf [firstpage_image] =>[orig_patent_app_number] => 12634745 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/634745
Process for the preparation of highly pure monomers for polybenzimidazole materials Dec 9, 2009 Issued
Array ( [id] => 8063171 [patent_doc_number] => 20110245435 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-10-06 [patent_title] => 'PROCESS FOR CONTINUOUSLY PREPARING COPOLYAMIDES FROM LACTAMS AND SALTS OF DIAMINES AND DICARBOXYLIC ACIDS' [patent_app_type] => utility [patent_app_number] => 13/139133 [patent_app_country] => US [patent_app_date] => 2009-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4585 [patent_no_of_claims] => 11 [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/A1/0245/20110245435.pdf [firstpage_image] =>[orig_patent_app_number] => 13139133 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/139133
Process for continuously preparing copolyamides from lactams and salts of diamines and dicarboxylic acids Dec 8, 2009 Issued
Array ( [id] => 10522760 [patent_doc_number] => 09249258 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-02-02 [patent_title] => 'Method for producing poly-3-hydroxyalkanoic acid and agglomerates thereof' [patent_app_type] => utility [patent_app_number] => 13/133610 [patent_app_country] => US [patent_app_date] => 2009-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6385 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13133610 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/133610
Method for producing poly-3-hydroxyalkanoic acid and agglomerates thereof Dec 1, 2009 Issued
Array ( [id] => 7490989 [patent_doc_number] => 20110237772 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-09-29 [patent_title] => 'POLYESTERACETALS' [patent_app_type] => utility [patent_app_number] => 13/132731 [patent_app_country] => US [patent_app_date] => 2009-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3601 [patent_no_of_claims] => 19 [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/A1/0237/20110237772.pdf [firstpage_image] =>[orig_patent_app_number] => 13132731 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/132731
Polyesteracetals Dec 1, 2009 Issued
Array ( [id] => 6017128 [patent_doc_number] => 20110224401 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-09-15 [patent_title] => 'APPARATUS FOR SEPARATION BY DISTILLATION' [patent_app_type] => utility [patent_app_number] => 13/131790 [patent_app_country] => US [patent_app_date] => 2009-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 6902 [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/A1/0224/20110224401.pdf [firstpage_image] =>[orig_patent_app_number] => 13131790 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/131790
APPARATUS FOR SEPARATION BY DISTILLATION Nov 28, 2009 Abandoned
Array ( [id] => 6428330 [patent_doc_number] => 20100168374 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-07-01 [patent_title] => 'Diamine compound having dendron side chain and liquid crystal aligning agent using same' [patent_app_type] => utility [patent_app_number] => 12/592315 [patent_app_country] => US [patent_app_date] => 2009-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4043 [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/A1/0168/20100168374.pdf [firstpage_image] =>[orig_patent_app_number] => 12592315 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/592315
Diamine compound having dendron side chain and liquid crystal aligning agent using same Nov 22, 2009 Issued
Array ( [id] => 7576327 [patent_doc_number] => 20110290209 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-12-01 [patent_title] => 'STABILIZED POLYAMIDES' [patent_app_type] => utility [patent_app_number] => 13/128502 [patent_app_country] => US [patent_app_date] => 2009-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6146 [patent_no_of_claims] => 11 [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/A1/0290/20110290209.pdf [firstpage_image] =>[orig_patent_app_number] => 13128502 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/128502
STABILIZED POLYAMIDES Oct 28, 2009 Abandoned
Array ( [id] => 6190104 [patent_doc_number] => 20110172388 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-07-14 [patent_title] => 'EASILY DYEABLE META-TYPE WHOLLY AROMATIC POLYAMIDE FIBER' [patent_app_type] => utility [patent_app_number] => 13/119544 [patent_app_country] => US [patent_app_date] => 2009-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7411 [patent_no_of_claims] => 2 [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/A1/0172/20110172388.pdf [firstpage_image] =>[orig_patent_app_number] => 13119544 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/119544
EASILY DYEABLE META-TYPE WHOLLY AROMATIC POLYAMIDE FIBER Sep 27, 2009 Abandoned
Array ( [id] => 7502069 [patent_doc_number] => 20110263730 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-10-27 [patent_title] => 'METHOD AND APPARATUS FOR PRODUCING POLYMER PARTICLES' [patent_app_type] => utility [patent_app_number] => 13/124221 [patent_app_country] => US [patent_app_date] => 2009-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 13608 [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/A1/0263/20110263730.pdf [firstpage_image] =>[orig_patent_app_number] => 13124221 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/124221
METHOD AND APPARATUS FOR PRODUCING POLYMER PARTICLES Sep 27, 2009 Abandoned
Array ( [id] => 8398555 [patent_doc_number] => 08268936 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-09-18 [patent_title] => 'Synthesis of hybrid block copolymers and uses thereof' [patent_app_type] => utility [patent_app_number] => 12/565903 [patent_app_country] => US [patent_app_date] => 2009-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 35896 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 7 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12565903 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/565903
Synthesis of hybrid block copolymers and uses thereof Sep 23, 2009 Issued
Array ( [id] => 6449963 [patent_doc_number] => 20100280186 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-11-04 [patent_title] => 'FURANIC-MODIFIED AMINE-BASED CURATIVES' [patent_app_type] => utility [patent_app_number] => 12/550349 [patent_app_country] => US [patent_app_date] => 2009-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 8261 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 11 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0280/20100280186.pdf [firstpage_image] =>[orig_patent_app_number] => 12550349 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/550349
FURANIC-MODIFIED AMINE-BASED CURATIVES Aug 27, 2009 Abandoned
Array ( [id] => 6601156 [patent_doc_number] => 20100048860 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-02-25 [patent_title] => 'CONTINUOUS PROCESS FOR THE EXTRACTION OF POLYAMIDE-6' [patent_app_type] => utility [patent_app_number] => 12/542743 [patent_app_country] => US [patent_app_date] => 2009-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4865 [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/A1/0048/20100048860.pdf [firstpage_image] =>[orig_patent_app_number] => 12542743 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/542743
Continuous process for the extraction of polyamide-6 Aug 17, 2009 Issued
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