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] => 5302810 [patent_doc_number] => 20090297462 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-12-03 [patent_title] => 'WATER-SOLUBLE POLYAMINOAMIDES AS SUNSCREEN AGENTS' [patent_app_type] => utility [patent_app_number] => 12/540420 [patent_app_country] => US [patent_app_date] => 2009-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12166 [patent_no_of_claims] => 16 [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/A1/0297/20090297462.pdf [firstpage_image] =>[orig_patent_app_number] => 12540420 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/540420
Water-soluble polyaminoamides as sunscreen agents Aug 12, 2009 Issued
Array ( [id] => 6481022 [patent_doc_number] => 20100041857 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-02-18 [patent_title] => 'INSITU SYNTHESIS OF ESTER-AMIDE-CONTAINING MOLECULES' [patent_app_type] => utility [patent_app_number] => 12/539783 [patent_app_country] => US [patent_app_date] => 2009-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6212 [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] => publications/A1/0041/20100041857.pdf [firstpage_image] =>[orig_patent_app_number] => 12539783 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/539783
INSITU SYNTHESIS OF ESTER-AMIDE-CONTAINING MOLECULES Aug 11, 2009 Abandoned
Array ( [id] => 6529670 [patent_doc_number] => 20100015205 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-01-21 [patent_title] => 'BIOCOMPATIBLE AMINO ACID ANHYDRIDE POLYMERS' [patent_app_type] => utility [patent_app_number] => 12/537101 [patent_app_country] => US [patent_app_date] => 2009-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 6265 [patent_no_of_claims] => 23 [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/A1/0015/20100015205.pdf [firstpage_image] =>[orig_patent_app_number] => 12537101 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/537101
Biocompatible amino acid anhydride polymers Aug 5, 2009 Issued
Array ( [id] => 5491033 [patent_doc_number] => 20090292104 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-11-26 [patent_title] => 'Fluorine-Containing Polymerizable Monomer and Polymer Compound Using Same' [patent_app_type] => utility [patent_app_number] => 12/533024 [patent_app_country] => US [patent_app_date] => 2009-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7616 [patent_no_of_claims] => 6 [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/A1/0292/20090292104.pdf [firstpage_image] =>[orig_patent_app_number] => 12533024 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/533024
Fluorine-containing polymerizable monomer and polymer compound using same Jul 30, 2009 Issued
Array ( [id] => 8328826 [patent_doc_number] => 08236922 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-08-07 [patent_title] => 'Polyamide polymer' [patent_app_type] => utility [patent_app_number] => 12/533072 [patent_app_country] => US [patent_app_date] => 2009-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4086 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12533072 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/533072
Polyamide polymer Jul 30, 2009 Issued
Array ( [id] => 8713460 [patent_doc_number] => 08399600 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-03-19 [patent_title] => 'Preparation of low molecular weight polylysine and polyornithine in high yield' [patent_app_type] => utility [patent_app_number] => 12/863131 [patent_app_country] => US [patent_app_date] => 2009-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7258 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12863131 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/863131
Preparation of low molecular weight polylysine and polyornithine in high yield Jul 28, 2009 Issued
Array ( [id] => 5465092 [patent_doc_number] => 20090325292 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-12-31 [patent_title] => 'Functional polyglycolide nanoparticles derived from unimolecular micelles' [patent_app_type] => utility [patent_app_number] => 12/460655 [patent_app_country] => US [patent_app_date] => 2009-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 13366 [patent_no_of_claims] => 38 [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] =>[firstpage_image] =>[orig_patent_app_number] => 12460655 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/460655
Functional polyglycolide nanoparticles derived from unimolecular micelles Jul 21, 2009 Issued
Array ( [id] => 6307811 [patent_doc_number] => 20100069520 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-03-18 [patent_title] => 'Block copolymer of polyimide and polyamic acid, method for producing the block copolymer, photosensitive resin composition comprising the block copolymer and protective film formed using the block copolymer' [patent_app_type] => utility [patent_app_number] => 12/458352 [patent_app_country] => US [patent_app_date] => 2009-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5599 [patent_no_of_claims] => 13 [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/A1/0069/20100069520.pdf [firstpage_image] =>[orig_patent_app_number] => 12458352 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/458352
Block copolymer of polyimide and polyamic acid, method for producing the block copolymer, photosensitive resin composition comprising the block copolymer and protective film formed using the block copolymer Jul 7, 2009 Abandoned
Array ( [id] => 6114260 [patent_doc_number] => 20110190471 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-08-04 [patent_title] => 'POLYCARBONATE DIOL AND POLYCARBONATE DIOL COPOLYMER' [patent_app_type] => utility [patent_app_number] => 13/056400 [patent_app_country] => US [patent_app_date] => 2009-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6640 [patent_no_of_claims] => 6 [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/A1/0190/20110190471.pdf [firstpage_image] =>[orig_patent_app_number] => 13056400 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/056400
POLYCARBONATE DIOL AND POLYCARBONATE DIOL COPOLYMER Jul 1, 2009 Abandoned
Array ( [id] => 5945063 [patent_doc_number] => 20110105683 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-05-05 [patent_title] => 'POLYAMIDE RESIN, COMPOSITION CONTAINING THE POLYAMIDE RESIN, AND MOLDED ARTICLES OF THE POLYAMIDE RESIN AND THE COMPOSITION' [patent_app_type] => utility [patent_app_number] => 13/001791 [patent_app_country] => US [patent_app_date] => 2009-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13899 [patent_no_of_claims] => 15 [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/A1/0105/20110105683.pdf [firstpage_image] =>[orig_patent_app_number] => 13001791 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/001791
POLYAMIDE RESIN, COMPOSITION CONTAINING THE POLYAMIDE RESIN, AND MOLDED ARTICLES OF THE POLYAMIDE RESIN AND THE COMPOSITION Jun 28, 2009 Abandoned
Array ( [id] => 8548921 [patent_doc_number] => 08323802 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-12-04 [patent_title] => 'Light activatable polyimide compositions for receiving selective metalization, and methods and compositions related thereto' [patent_app_type] => utility [patent_app_number] => 12/491692 [patent_app_country] => US [patent_app_date] => 2009-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16434 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12491692 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/491692
Light activatable polyimide compositions for receiving selective metalization, and methods and compositions related thereto Jun 24, 2009 Issued
Array ( [id] => 5570512 [patent_doc_number] => 20090253891 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-10-08 [patent_title] => 'CLEANING SUBSTRATE OF SUBSTRATE PROCESSING EQUIPMENT AND HEAT RESISTANT RESIN PREFERABLE THEREOF' [patent_app_type] => utility [patent_app_number] => 12/484700 [patent_app_country] => US [patent_app_date] => 2009-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6145 [patent_no_of_claims] => 9 [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/A1/0253/20090253891.pdf [firstpage_image] =>[orig_patent_app_number] => 12484700 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/484700
CLEANING SUBSTRATE OF SUBSTRATE PROCESSING EQUIPMENT AND HEAT RESISTANT RESIN PREFERABLE THEREOF Jun 14, 2009 Abandoned
Array ( [id] => 5368774 [patent_doc_number] => 20090306333 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-12-10 [patent_title] => 'BIFUNCTIONAL LACTIDE MONOMER DERIVATIVE AND POLYMERS AND MATERIALS PREPARED USING THE SAME' [patent_app_type] => utility [patent_app_number] => 12/479981 [patent_app_country] => US [patent_app_date] => 2009-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 6759 [patent_no_of_claims] => 15 [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/A1/0306/20090306333.pdf [firstpage_image] =>[orig_patent_app_number] => 12479981 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/479981
Bifunctional lactide monomer derivative and polymers and materials prepared using the same Jun 7, 2009 Issued
Array ( [id] => 8006341 [patent_doc_number] => 08084571 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-12-27 [patent_title] => 'Aromatic polyamide filament and method of manufacturing the same' [patent_app_type] => utility [patent_app_number] => 12/470122 [patent_app_country] => US [patent_app_date] => 2009-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 3751 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/084/08084571.pdf [firstpage_image] =>[orig_patent_app_number] => 12470122 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/470122
Aromatic polyamide filament and method of manufacturing the same May 20, 2009 Issued
Array ( [id] => 6190103 [patent_doc_number] => 20110172387 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-07-14 [patent_title] => 'METHOD FOR INCREASING THE DIFFERENCE BETWEEN THE MELTING TEMPERATURE AND THE CRYSTALLIZATION TEMPERATURE OF A POLYAMIDE POWDER' [patent_app_type] => utility [patent_app_number] => 12/990301 [patent_app_country] => US [patent_app_date] => 2009-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 8277 [patent_no_of_claims] => 11 [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/A1/0172/20110172387.pdf [firstpage_image] =>[orig_patent_app_number] => 12990301 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/990301
METHOD FOR INCREASING THE DIFFERENCE BETWEEN THE MELTING TEMPERATURE AND THE CRYSTALLIZATION TEMPERATURE OF A POLYAMIDE POWDER Apr 28, 2009 Abandoned
Array ( [id] => 9099801 [patent_doc_number] => 08563679 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-10-22 [patent_title] => 'Catalytic systems for the ring-opening (co)polymerization of lactones' [patent_app_type] => utility [patent_app_number] => 12/990610 [patent_app_country] => US [patent_app_date] => 2009-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5278 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 5 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12990610 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/990610
Catalytic systems for the ring-opening (co)polymerization of lactones Apr 28, 2009 Issued
Array ( [id] => 6055911 [patent_doc_number] => 20110112271 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-05-12 [patent_title] => 'POLYCARBONATE RESIN HAVING ULTRAVIOLET ABSORBING CAPACITY, RESIN COMPOSITION AND OPTICAL MATERIAL' [patent_app_type] => utility [patent_app_number] => 12/990125 [patent_app_country] => US [patent_app_date] => 2009-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4408 [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/A1/0112/20110112271.pdf [firstpage_image] =>[orig_patent_app_number] => 12990125 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/990125
Polycarbonate resin having ultraviolet absorbing capability, resin composition and optical material Apr 22, 2009 Issued
Array ( [id] => 7757403 [patent_doc_number] => 20120029163 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-02-02 [patent_title] => 'METHOD OF PREPARING A HEAT-RESISTANT POLYAMIDE' [patent_app_type] => utility [patent_app_number] => 13/263620 [patent_app_country] => US [patent_app_date] => 2009-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3702 [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/A1/0029/20120029163.pdf [firstpage_image] =>[orig_patent_app_number] => 13263620 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/263620
Method of preparing a heat-resistant polyamide Apr 9, 2009 Issued
Array ( [id] => 6416833 [patent_doc_number] => 20100167208 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-07-01 [patent_title] => 'WATER SOLUBLE PHOTOSENSITIVE POLYMIDE POLYMER, ITS PREPARATION AND PHOTORESIST CONTAINING THE SAME' [patent_app_type] => utility [patent_app_number] => 12/421973 [patent_app_country] => US [patent_app_date] => 2009-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5231 [patent_no_of_claims] => 9 [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/A1/0167/20100167208.pdf [firstpage_image] =>[orig_patent_app_number] => 12421973 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/421973
Water soluble photosensitive polymide polymer, its preparation and photoresist containing the same Apr 9, 2009 Issued
Array ( [id] => 10026176 [patent_doc_number] => 09068065 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-06-30 [patent_title] => 'Hydrolytically decomposable ionic copolymers' [patent_app_type] => utility [patent_app_number] => 12/937631 [patent_app_country] => US [patent_app_date] => 2009-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7151 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12937631 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/937631
Hydrolytically decomposable ionic copolymers Apr 8, 2009 Issued
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