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] => 8675267 [patent_doc_number] => 08383380 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-02-26 [patent_title] => 'Segmented polymers and their conjugates' [patent_app_type] => utility [patent_app_number] => 13/267619 [patent_app_country] => US [patent_app_date] => 2011-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23560 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13267619 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/267619
Segmented polymers and their conjugates Oct 5, 2011 Issued
Array ( [id] => 8904957 [patent_doc_number] => 20130172460 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-07-04 [patent_title] => 'POLYAMIDE RESIN MOLDINGS' [patent_app_type] => utility [patent_app_number] => 13/822152 [patent_app_country] => US [patent_app_date] => 2011-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10654 [patent_no_of_claims] => 7 [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] => 13822152 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/822152
Polyamide resin moldings Sep 28, 2011 Issued
Array ( [id] => 8044173 [patent_doc_number] => 20120071823 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-03-22 [patent_title] => 'MEDICAL BALLOON HAVING IMPROVED STABILITY AND STRENGTH' [patent_app_type] => utility [patent_app_number] => 13/238082 [patent_app_country] => US [patent_app_date] => 2011-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2320 [patent_no_of_claims] => 27 [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/A1/0071/20120071823.pdf [firstpage_image] =>[orig_patent_app_number] => 13238082 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/238082
MEDICAL BALLOON HAVING IMPROVED STABILITY AND STRENGTH Sep 20, 2011 Abandoned
Array ( [id] => 8720354 [patent_doc_number] => 20130071571 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-03-21 [patent_title] => 'FLEXIBLE POLYAMINES, FLEXIBLE AMINE-TERMINATED ADDUCTS, COMPOSITIONS THEREOF AND METHODS OF USE' [patent_app_type] => utility [patent_app_number] => 13/238515 [patent_app_country] => US [patent_app_date] => 2011-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 35282 [patent_no_of_claims] => 20 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13238515 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/238515
Flexible polyamines, flexible amine-terminated adducts, compositions thereof and methods of use Sep 20, 2011 Issued
Array ( [id] => 8875452 [patent_doc_number] => 08470412 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-06-25 [patent_title] => 'Liquid crystal alignment agent, liquid crystal alignment film manufactured using the same, and liquid crystal display device including the liquid crystal alignment film' [patent_app_type] => utility [patent_app_number] => 13/238450 [patent_app_country] => US [patent_app_date] => 2011-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 8958 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13238450 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/238450
Liquid crystal alignment agent, liquid crystal alignment film manufactured using the same, and liquid crystal display device including the liquid crystal alignment film Sep 20, 2011 Issued
Array ( [id] => 7719810 [patent_doc_number] => 20120009145 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-01-12 [patent_title] => 'Biodegradable Cross-Linked Cationic Multi-block Copolymers for Gene Delivery and Methods of Making Thereof' [patent_app_type] => utility [patent_app_number] => 13/237168 [patent_app_country] => US [patent_app_date] => 2011-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 10708 [patent_no_of_claims] => 21 [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/A1/0009/20120009145.pdf [firstpage_image] =>[orig_patent_app_number] => 13237168 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/237168
Biodegradable cross-linked cationic multi-block copolymers for gene delivery and methods of making thereof Sep 19, 2011 Issued
Array ( [id] => 7712340 [patent_doc_number] => 20120004422 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-01-05 [patent_title] => 'Intermediates Useful in the Preparation of Maleimide Functionalized Polymers' [patent_app_type] => utility [patent_app_number] => 13/233717 [patent_app_country] => US [patent_app_date] => 2011-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17221 [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] => 13233717 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/233717
Intermediates useful in the preparation of maleimide functionalized polymers Sep 14, 2011 Issued
Array ( [id] => 8928652 [patent_doc_number] => 20130184412 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-07-18 [patent_title] => 'QUATERNISED POLYBENZIMIDAZOLE' [patent_app_type] => utility [patent_app_number] => 13/822375 [patent_app_country] => US [patent_app_date] => 2011-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7711 [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] => 13822375 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/822375
Quaternised polybenzimidazole Sep 13, 2011 Issued
Array ( [id] => 10892576 [patent_doc_number] => 08916187 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-12-23 [patent_title] => 'Poly(amide) and poly(ester-amide) polymers and drug delivery particles and coatings containing same' [patent_app_type] => utility [patent_app_number] => 13/221767 [patent_app_country] => US [patent_app_date] => 2011-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 18969 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13221767 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/221767
Poly(amide) and poly(ester-amide) polymers and drug delivery particles and coatings containing same Aug 29, 2011 Issued
Array ( [id] => 9082145 [patent_doc_number] => 20130267675 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-10-10 [patent_title] => 'PROCESS FOR PRODUCING POLYLACTIC ACID AND REACTORS FOR USE IN SAID PROCESS' [patent_app_type] => utility [patent_app_number] => 13/817882 [patent_app_country] => US [patent_app_date] => 2011-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6925 [patent_no_of_claims] => 28 [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] => 13817882 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/817882
PROCESS FOR PRODUCING POLYLACTIC ACID AND REACTORS FOR USE IN SAID PROCESS Aug 16, 2011 Abandoned
Array ( [id] => 7706735 [patent_doc_number] => 20120001367 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-01-05 [patent_title] => 'METHOD FOR PRODUCING POLYIMIDE FILM' [patent_app_type] => utility [patent_app_number] => 13/211538 [patent_app_country] => US [patent_app_date] => 2011-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5437 [patent_no_of_claims] => 7 [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] => 13211538 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/211538
Method for producing polyimide film Aug 16, 2011 Issued
Array ( [id] => 7579985 [patent_doc_number] => 20110293868 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-12-01 [patent_title] => 'THERMOPLASTIC POLYAMIDE MOULDING COMPOSITIONS' [patent_app_type] => utility [patent_app_number] => 13/208708 [patent_app_country] => US [patent_app_date] => 2011-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10367 [patent_no_of_claims] => 37 [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/A1/0293/20110293868.pdf [firstpage_image] =>[orig_patent_app_number] => 13208708 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/208708
THERMOPLASTIC POLYAMIDE MOULDING COMPOSITIONS Aug 11, 2011 Abandoned
Array ( [id] => 7587516 [patent_doc_number] => 20110282026 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-11-17 [patent_title] => 'Fluorine-Containing Dicarboxylic Acids and Their Novel Polymer Compounds' [patent_app_type] => utility [patent_app_number] => 13/195375 [patent_app_country] => US [patent_app_date] => 2011-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14273 [patent_no_of_claims] => 7 [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/A1/0282/20110282026.pdf [firstpage_image] =>[orig_patent_app_number] => 13195375 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/195375
Fluorine-containing dicarboxylic acids and their novel polymer compounds Jul 31, 2011 Issued
Array ( [id] => 9055451 [patent_doc_number] => 20130253165 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-09-26 [patent_title] => 'METHOD FOR PRODUCING POLYESTER COMPOSITIONS' [patent_app_type] => utility [patent_app_number] => 13/821142 [patent_app_country] => US [patent_app_date] => 2011-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11658 [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] => 13821142 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/821142
Method for producing polyester compositions Jul 28, 2011 Issued
Array ( [id] => 7583539 [patent_doc_number] => 20110278049 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-11-17 [patent_title] => 'PHOTOSENSITIVE RESIN COMPOSITION AND DRY FILM COMPRISING THE SAME' [patent_app_type] => utility [patent_app_number] => 13/191027 [patent_app_country] => US [patent_app_date] => 2011-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9842 [patent_no_of_claims] => 23 [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/A1/0278/20110278049.pdf [firstpage_image] =>[orig_patent_app_number] => 13191027 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/191027
Photosensitive resin composition and dry film comprising the same Jul 25, 2011 Issued
Array ( [id] => 10129291 [patent_doc_number] => 09163117 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-10-20 [patent_title] => 'Polyamide resin' [patent_app_type] => utility [patent_app_number] => 13/698292 [patent_app_country] => US [patent_app_date] => 2011-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11881 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13698292 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/698292
Polyamide resin Jul 20, 2011 Issued
Array ( [id] => 9140534 [patent_doc_number] => 08580996 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-11-12 [patent_title] => 'Aromatic carbonate, method of preparing the same, and polycarbonate prepared using the same' [patent_app_type] => utility [patent_app_number] => 13/176005 [patent_app_country] => US [patent_app_date] => 2011-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2901 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13176005 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/176005
Aromatic carbonate, method of preparing the same, and polycarbonate prepared using the same Jul 4, 2011 Issued
Array ( [id] => 7511652 [patent_doc_number] => 20110257362 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-10-20 [patent_title] => 'POLYCARBONATE COPOLYMER AND METHOD OF PRODUCING THE SAME' [patent_app_type] => utility [patent_app_number] => 13/172285 [patent_app_country] => US [patent_app_date] => 2011-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 21470 [patent_no_of_claims] => 4 [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/A1/0257/20110257362.pdf [firstpage_image] =>[orig_patent_app_number] => 13172285 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/172285
POLYCARBONATE COPOLYMER AND METHOD OF PRODUCING THE SAME Jun 28, 2011 Abandoned
Array ( [id] => 8951405 [patent_doc_number] => 20130197186 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-08-01 [patent_title] => 'PROCESS FOR PRODUCTION OF POLY(LACTIC ACID)-TYPE RESIN, AND POLY(LACTIC ACID)-TYPE PREPOLYMER' [patent_app_type] => utility [patent_app_number] => 13/825992 [patent_app_country] => US [patent_app_date] => 2011-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16375 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13825992 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/825992
Process for production of poly(lactic acid)-type resin, and poly(lactic acid)-type prepolymer Jun 26, 2011 Issued
Array ( [id] => 9958174 [patent_doc_number] => 09006381 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-04-14 [patent_title] => 'Impact-resistant polyamide composition and process for production of same' [patent_app_type] => utility [patent_app_number] => 13/806055 [patent_app_country] => US [patent_app_date] => 2011-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 5528 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13806055 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/806055
Impact-resistant polyamide composition and process for production of same Jun 22, 2011 Issued
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