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] => 8745532 [patent_doc_number] => 20130085249 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-04-04 [patent_title] => 'CONJUGATED POLYMER BASED ON PERYLENE TETRACARBOXYLIC ACID DIIMIDE AND DIBENZOTHIOPHENE AND THE PREPARATION METHOD AND APPLICATION THEREOF' [patent_app_type] => utility [patent_app_number] => 13/702141 [patent_app_country] => US [patent_app_date] => 2010-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4565 [patent_no_of_claims] => 11 [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] => 13702141 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/702141
CONJUGATED POLYMER BASED ON PERYLENE TETRACARBOXYLIC ACID DIIMIDE AND DIBENZOTHIOPHENE AND THE PREPARATION METHOD AND APPLICATION THEREOF Jun 8, 2010 Abandoned
Array ( [id] => 6596429 [patent_doc_number] => 20100322586 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-12-23 [patent_title] => 'POLYIMIDE COMPOUND, PREPARATION METHOD THEREFOR, AND OPTICAL FILM AND OPTICAL WAVEGUIDE PRODUCED BY EMPLOYING THE COMPOUND' [patent_app_type] => utility [patent_app_number] => 12/790100 [patent_app_country] => US [patent_app_date] => 2010-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5042 [patent_no_of_claims] => 4 [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/A1/0322/20100322586.pdf [firstpage_image] =>[orig_patent_app_number] => 12790100 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/790100
Polyimide compound, preparation method therefor, and optical film and optical waveguide produced by employing the compound May 27, 2010 Issued
Array ( [id] => 4516120 [patent_doc_number] => 07932348 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-04-26 [patent_title] => 'Fluorine-containing polymerizable monomer and polymer compound using same' [patent_app_type] => utility [patent_app_number] => 12/787894 [patent_app_country] => US [patent_app_date] => 2010-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6410 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 16 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/932/07932348.pdf [firstpage_image] =>[orig_patent_app_number] => 12787894 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/787894
Fluorine-containing polymerizable monomer and polymer compound using same May 25, 2010 Issued
Array ( [id] => 4609742 [patent_doc_number] => 07994273 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-08-09 [patent_title] => 'Photoactive materials' [patent_app_type] => utility [patent_app_number] => 12/780298 [patent_app_country] => US [patent_app_date] => 2010-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14516 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/994/07994273.pdf [firstpage_image] =>[orig_patent_app_number] => 12780298 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/780298
Photoactive materials May 13, 2010 Issued
Array ( [id] => 6636064 [patent_doc_number] => 20100312180 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-12-09 [patent_title] => 'BRANCHED POLYMERS IN MEDICAL DEVICES' [patent_app_type] => utility [patent_app_number] => 12/778950 [patent_app_country] => US [patent_app_date] => 2010-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5311 [patent_no_of_claims] => 26 [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/A1/0312/20100312180.pdf [firstpage_image] =>[orig_patent_app_number] => 12778950 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/778950
BRANCHED POLYMERS IN MEDICAL DEVICES May 11, 2010 Abandoned
Array ( [id] => 8534474 [patent_doc_number] => 08310632 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-11-13 [patent_title] => 'Laminated structures using UV-curable adhesion promoters' [patent_app_type] => utility [patent_app_number] => 12/799972 [patent_app_country] => US [patent_app_date] => 2010-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3282 [patent_no_of_claims] => 7 [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] => 12799972 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/799972
Laminated structures using UV-curable adhesion promoters May 3, 2010 Issued
Array ( [id] => 6602646 [patent_doc_number] => 20100292432 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-11-18 [patent_title] => 'POLYMERS FOR POLYNUCLEOTIDE ENCAPSULATION' [patent_app_type] => utility [patent_app_number] => 12/770315 [patent_app_country] => US [patent_app_date] => 2010-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 36745 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0292/20100292432.pdf [firstpage_image] =>[orig_patent_app_number] => 12770315 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/770315
POLYMERS FOR POLYNUCLEOTIDE ENCAPSULATION Apr 28, 2010 Abandoned
Array ( [id] => 10050769 [patent_doc_number] => 09090636 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-07-28 [patent_title] => 'Catalytic systems for immortal ring-opening polymerisation of cyclic esters and cyclic carbonates' [patent_app_type] => utility [patent_app_number] => 13/265980 [patent_app_country] => US [patent_app_date] => 2010-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 14677 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13265980 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/265980
Catalytic systems for immortal ring-opening polymerisation of cyclic esters and cyclic carbonates Apr 28, 2010 Issued
Array ( [id] => 10844716 [patent_doc_number] => 08871894 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-10-28 [patent_title] => 'Production method of polyhydroxyimide' [patent_app_type] => utility [patent_app_number] => 13/264917 [patent_app_country] => US [patent_app_date] => 2010-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14842 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 16 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13264917 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/264917
Production method of polyhydroxyimide Apr 21, 2010 Issued
Array ( [id] => 8199833 [patent_doc_number] => 20120123086 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-05-17 [patent_title] => 'FLEXIBLE POLYMER' [patent_app_type] => utility [patent_app_number] => 13/264821 [patent_app_country] => US [patent_app_date] => 2010-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2466 [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] => publications/A1/0123/20120123086.pdf [firstpage_image] =>[orig_patent_app_number] => 13264821 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/264821
Flexible polymer Apr 19, 2010 Issued
Array ( [id] => 9523530 [patent_doc_number] => 08747789 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-06-10 [patent_title] => 'Metal scavenging polymers' [patent_app_type] => utility [patent_app_number] => 12/754660 [patent_app_country] => US [patent_app_date] => 2010-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4867 [patent_no_of_claims] => 14 [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] => 12754660 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/754660
Metal scavenging polymers Apr 5, 2010 Issued
Array ( [id] => 8160638 [patent_doc_number] => 20120101236 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-04-26 [patent_title] => 'POLYIMIDE PRECURSOR COMPOSITION CONTAINING POLYAMIC ACID ALKYL ESTER' [patent_app_type] => utility [patent_app_number] => 13/262472 [patent_app_country] => US [patent_app_date] => 2010-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14387 [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/A1/0101/20120101236.pdf [firstpage_image] =>[orig_patent_app_number] => 13262472 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/262472
Polyimide precursor composition containing polyamic acid alkyl ester Mar 31, 2010 Issued
Array ( [id] => 6150157 [patent_doc_number] => 20110021717 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-01-27 [patent_title] => 'Method To Make Poly(L-Lactide) Stent With Tunable Degradation Rate' [patent_app_type] => utility [patent_app_number] => 12/751773 [patent_app_country] => US [patent_app_date] => 2010-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 8833 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0021/20110021717.pdf [firstpage_image] =>[orig_patent_app_number] => 12751773 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/751773
Method to make poly(L-lactide) stent with tunable degradation rate Mar 30, 2010 Issued
Array ( [id] => 7808186 [patent_doc_number] => 20120059140 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-03-08 [patent_title] => 'DIKETOPYRROLOPYRROLE POLYMERS FOR USE IN ORGANIC SEMICONDUCTOR DEVICES' [patent_app_type] => utility [patent_app_number] => 13/256943 [patent_app_country] => US [patent_app_date] => 2010-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16962 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0059/20120059140.pdf [firstpage_image] =>[orig_patent_app_number] => 13256943 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/256943
Diketopyrrolopyrrole polymers for use in organic semiconductor devices Mar 21, 2010 Issued
Array ( [id] => 8664633 [patent_doc_number] => 08378094 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-02-19 [patent_title] => 'Polymerization initiators for fiber-reinforced polymer composites and materials made from the composites' [patent_app_type] => utility [patent_app_number] => 12/724024 [patent_app_country] => US [patent_app_date] => 2010-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7788 [patent_no_of_claims] => 9 [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] => 12724024 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/724024
Polymerization initiators for fiber-reinforced polymer composites and materials made from the composites Mar 14, 2010 Issued
Array ( [id] => 9355523 [patent_doc_number] => 08674056 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-03-18 [patent_title] => 'Methods for producing lactide with recycle of meso-lactide' [patent_app_type] => utility [patent_app_number] => 13/203211 [patent_app_country] => US [patent_app_date] => 2010-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 15359 [patent_no_of_claims] => 41 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13203211 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/203211
Methods for producing lactide with recycle of meso-lactide Mar 11, 2010 Issued
Array ( [id] => 7523181 [patent_doc_number] => 08026337 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-09-27 [patent_title] => 'Production of a functionalized polytriazole polymer' [patent_app_type] => utility [patent_app_number] => 12/721838 [patent_app_country] => US [patent_app_date] => 2010-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3426 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/026/08026337.pdf [firstpage_image] =>[orig_patent_app_number] => 12721838 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/721838
Production of a functionalized polytriazole polymer Mar 10, 2010 Issued
Array ( [id] => 9496715 [patent_doc_number] => 08735530 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-05-27 [patent_title] => 'Polyamide manufacturing process' [patent_app_type] => utility [patent_app_number] => 13/257370 [patent_app_country] => US [patent_app_date] => 2010-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3145 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13257370 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/257370
Polyamide manufacturing process Mar 8, 2010 Issued
Array ( [id] => 8043757 [patent_doc_number] => 20120071612 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-03-22 [patent_title] => 'METHOD FOR THE PRODUCTION OF POLYAMINO ACID RANDOM COPOLYMERS' [patent_app_type] => utility [patent_app_number] => 13/255126 [patent_app_country] => US [patent_app_date] => 2010-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5831 [patent_no_of_claims] => 37 [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/A1/0071/20120071612.pdf [firstpage_image] =>[orig_patent_app_number] => 13255126 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/255126
METHOD FOR THE PRODUCTION OF POLYAMINO ACID RANDOM COPOLYMERS Mar 7, 2010 Abandoned
Array ( [id] => 7768360 [patent_doc_number] => 20120035341 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-02-09 [patent_title] => 'PROCEDE DE POLYMERISATION PAR VOIE CATALYTIQUE DE 1,4-DIOXANES-2,5-DIONES ET LES POLYMERES CORRESPONDANTS' [patent_app_type] => utility [patent_app_number] => 13/254870 [patent_app_country] => US [patent_app_date] => 2010-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6488 [patent_no_of_claims] => 13 [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/A1/0035/20120035341.pdf [firstpage_image] =>[orig_patent_app_number] => 13254870 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/254870
PROCEDE DE POLYMERISATION PAR VOIE CATALYTIQUE DE 1,4-DIOXANES-2,5-DIONES ET LES POLYMERES CORRESPONDANTS Mar 7, 2010 Abandoned
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