
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 6315925
[patent_doc_number] => 20100242723
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2010-09-30
[patent_title] => 'Blend Polymer Membranes Comprising Thermally Rearranged Polymers Derived from Aromatic Polyimides Containing Ortho-Positioned Functional Groups'
[patent_app_type] => utility
[patent_app_number] => 12/412639
[patent_app_country] => US
[patent_app_date] => 2009-03-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 11220
[patent_no_of_claims] => 18
[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/A1/0242/20100242723.pdf
[firstpage_image] =>[orig_patent_app_number] => 12412639
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/412639 | Blend polymer membranes comprising thermally rearranged polymers derived from aromatic polyimides containing ortho-positioned functional groups | Mar 26, 2009 | Issued |
Array
(
[id] => 22718
[patent_doc_number] => 07799874
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2010-09-21
[patent_title] => 'Catalytic compositions'
[patent_app_type] => utility
[patent_app_number] => 12/411406
[patent_app_country] => US
[patent_app_date] => 2009-03-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 5831
[patent_no_of_claims] => 19
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 124
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/799/07799874.pdf
[firstpage_image] =>[orig_patent_app_number] => 12411406
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/411406 | Catalytic compositions | Mar 25, 2009 | Issued |
Array
(
[id] => 6114256
[patent_doc_number] => 20110190469
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2011-08-04
[patent_title] => 'ACETYLENIC POLYAMIDE'
[patent_app_type] => utility
[patent_app_number] => 13/120020
[patent_app_country] => US
[patent_app_date] => 2009-02-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 5119
[patent_no_of_claims] => 18
[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/A1/0190/20110190469.pdf
[firstpage_image] =>[orig_patent_app_number] => 13120020
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/120020 | Acetylenic polyamide | Feb 24, 2009 | Issued |
Array
(
[id] => 8621577
[patent_doc_number] => 08354492
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2013-01-15
[patent_title] => 'Preparation of cast polyamides using special activators'
[patent_app_type] => utility
[patent_app_number] => 12/372125
[patent_app_country] => US
[patent_app_date] => 2009-02-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 6090
[patent_no_of_claims] => 12
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 128
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12372125
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/372125 | Preparation of cast polyamides using special activators | Feb 16, 2009 | Issued |
Array
(
[id] => 6541802
[patent_doc_number] => 20100204515
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2010-08-12
[patent_title] => 'POLYCARBODIIMIDES HAVING ONIUM SALT GROUPS'
[patent_app_type] => utility
[patent_app_number] => 12/370100
[patent_app_country] => US
[patent_app_date] => 2009-02-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 11413
[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] => publications/A1/0204/20100204515.pdf
[firstpage_image] =>[orig_patent_app_number] => 12370100
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/370100 | Polycarbodiimides having onium salt groups | Feb 11, 2009 | Issued |
Array
(
[id] => 10001498
[patent_doc_number] => 09045576
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2015-06-02
[patent_title] => 'Mixed charge copolymers and hydrogels'
[patent_app_type] => utility
[patent_app_number] => 12/367744
[patent_app_country] => US
[patent_app_date] => 2009-02-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 16
[patent_no_of_words] => 9392
[patent_no_of_claims] => 11
[patent_no_of_ind_claims] => 2
[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] => 12367744
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/367744 | Mixed charge copolymers and hydrogels | Feb 8, 2009 | Issued |
Array
(
[id] => 6444645
[patent_doc_number] => 20100283047
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2010-11-11
[patent_title] => 'PERYLENE-IMIDE SEMICONDUCTOR POLYMERS'
[patent_app_type] => utility
[patent_app_number] => 12/812531
[patent_app_country] => US
[patent_app_date] => 2009-02-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 8
[patent_no_of_words] => 15353
[patent_no_of_claims] => 33
[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/A1/0283/20100283047.pdf
[firstpage_image] =>[orig_patent_app_number] => 12812531
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/812531 | Perylene-imide semiconductor polymers | Feb 4, 2009 | Issued |
Array
(
[id] => 6007274
[patent_doc_number] => 20110059305
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2011-03-10
[patent_title] => 'POLYIMIDE PRECURSOR COMPOSITION, POLYIMIDE FILM, AND TRANSPARENT FLEXIBLE FILM'
[patent_app_type] => utility
[patent_app_number] => 12/918312
[patent_app_country] => US
[patent_app_date] => 2009-01-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 9110
[patent_no_of_claims] => 14
[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/A1/0059/20110059305.pdf
[firstpage_image] =>[orig_patent_app_number] => 12918312
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/918312 | Polyimide precursor composition, polyimide film, and transparent flexible film | Jan 25, 2009 | Issued |
Array
(
[id] => 5275383
[patent_doc_number] => 20090127515
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-05-21
[patent_title] => 'PI-CONJUGATED MOLECULES'
[patent_app_type] => utility
[patent_app_number] => 12/356571
[patent_app_country] => US
[patent_app_date] => 2009-01-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 24
[patent_figures_cnt] => 24
[patent_no_of_words] => 4532
[patent_no_of_claims] => 27
[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/A1/0127/20090127515.pdf
[firstpage_image] =>[orig_patent_app_number] => 12356571
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/356571 | PI-CONJUGATED MOLECULES | Jan 20, 2009 | Abandoned |
Array
(
[id] => 5278300
[patent_doc_number] => 20090130432
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-05-21
[patent_title] => 'HEAT-RESISTANT RESIN'
[patent_app_type] => utility
[patent_app_number] => 12/350764
[patent_app_country] => US
[patent_app_date] => 2009-01-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 6192
[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/A1/0130/20090130432.pdf
[firstpage_image] =>[orig_patent_app_number] => 12350764
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/350764 | Heat-resistant resin | Jan 7, 2009 | Issued |
Array
(
[id] => 6291741
[patent_doc_number] => 20100159335
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2010-06-24
[patent_title] => 'Branched rod-coil polyimide - poly( alkylene oxide) copolymers and electrolyte compositions'
[patent_app_type] => utility
[patent_app_number] => 12/317232
[patent_app_country] => US
[patent_app_date] => 2008-12-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 6
[patent_no_of_words] => 5455
[patent_no_of_claims] => 20
[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/A1/0159/20100159335.pdf
[firstpage_image] =>[orig_patent_app_number] => 12317232
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/317232 | Branched rod-coil polyimide—poly( alkylene oxide) copolymers and electrolyte compositions | Dec 21, 2008 | Issued |
Array
(
[id] => 6203105
[patent_doc_number] => 20110065891
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2011-03-17
[patent_title] => 'POLYTHIOETHERIMIDES AND METHOD FOR PRODUCING THEREOF'
[patent_app_type] => utility
[patent_app_number] => 12/809993
[patent_app_country] => US
[patent_app_date] => 2008-12-19
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 1
[patent_no_of_words] => 7308
[patent_no_of_claims] => 26
[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/A1/0065/20110065891.pdf
[firstpage_image] =>[orig_patent_app_number] => 12809993
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/809993 | POLYTHIOETHERIMIDES AND METHOD FOR PRODUCING THEREOF | Dec 18, 2008 | Abandoned |
Array
(
[id] => 5515654
[patent_doc_number] => 20090215961
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-08-27
[patent_title] => 'BISMALEIMIDE RESIN SYSTEM WITH IMPROVED MANUFACTURING PROPERTIES'
[patent_app_type] => utility
[patent_app_number] => 12/336997
[patent_app_country] => US
[patent_app_date] => 2008-12-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 6264
[patent_no_of_claims] => 25
[patent_no_of_ind_claims] => 10
[patent_words_short_claim] => 0
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0215/20090215961.pdf
[firstpage_image] =>[orig_patent_app_number] => 12336997
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/336997 | Bismaleimide resin system with improved manufacturing properties | Dec 16, 2008 | Issued |
Array
(
[id] => 7682092
[patent_doc_number] => 20100022716
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2010-01-28
[patent_title] => 'METHOD AND FORMULA FOR FORMING HYPER-BRANCHED POLYMER'
[patent_app_type] => utility
[patent_app_number] => 12/334334
[patent_app_country] => US
[patent_app_date] => 2008-12-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 11
[patent_figures_cnt] => 11
[patent_no_of_words] => 7192
[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] => publications/A1/0022/20100022716.pdf
[firstpage_image] =>[orig_patent_app_number] => 12334334
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/334334 | Method and formula for forming hyper-branched polymer | Dec 11, 2008 | Issued |
Array
(
[id] => 6341964
[patent_doc_number] => 20100247888
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2010-09-30
[patent_title] => 'POLYAMIC ACID SOLUTION COMPOSITION HAVING CARBON BLACK DISPERSED THEREIN, PROCESS FOR PRODUCTION OF SEMICONDUCTIVE POLYIMIDE RESIN BELT USING THE COMPOSITION, AND SEMICONDUCTIVE POLYIMIDE RESIN BELT'
[patent_app_type] => utility
[patent_app_number] => 12/734960
[patent_app_country] => US
[patent_app_date] => 2008-12-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 10555
[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] => publications/A1/0247/20100247888.pdf
[firstpage_image] =>[orig_patent_app_number] => 12734960
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/734960 | Polyamic acid solution composition having carbon black dispersed therein, process for production of semiconductive polyimide resin belt using the composition, and semiconductive polyimide resin belt | Dec 3, 2008 | Issued |
Array
(
[id] => 6196921
[patent_doc_number] => 20110028679
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2011-02-03
[patent_title] => 'Polyamides Prepared From Long-Chain Dicarboxylic Acids and Methods for Making the Polyamides'
[patent_app_type] => utility
[patent_app_number] => 12/744725
[patent_app_country] => US
[patent_app_date] => 2008-11-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 11
[patent_figures_cnt] => 11
[patent_no_of_words] => 4374
[patent_no_of_claims] => 12
[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/A1/0028/20110028679.pdf
[firstpage_image] =>[orig_patent_app_number] => 12744725
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/744725 | Polyamides Prepared From Long-Chain Dicarboxylic Acids and Methods for Making the Polyamides | Nov 24, 2008 | Abandoned |
Array
(
[id] => 5576200
[patent_doc_number] => 20090143562
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-06-04
[patent_title] => 'PROCESS TO MAKE POLY(TRIMETHYLENE CARBONATE) GLYCOL'
[patent_app_type] => utility
[patent_app_number] => 12/277633
[patent_app_country] => US
[patent_app_date] => 2008-11-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3450
[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/A1/0143/20090143562.pdf
[firstpage_image] =>[orig_patent_app_number] => 12277633
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/277633 | Process to make poly(trimethylene carbonate) glycol | Nov 24, 2008 | Issued |
Array
(
[id] => 7652056
[patent_doc_number] => 20110301325
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2011-12-08
[patent_title] => 'Preparation of PHA (Polyhydroxyalkanoates) From a Citric Residue'
[patent_app_type] => utility
[patent_app_number] => 12/996155
[patent_app_country] => US
[patent_app_date] => 2008-11-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 5385
[patent_no_of_claims] => 28
[patent_no_of_ind_claims] => 19
[patent_words_short_claim] => 0
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0301/20110301325.pdf
[firstpage_image] =>[orig_patent_app_number] => 12996155
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/996155 | Preparation of PHA (polyhydroxyalkanoates) from a citric residue | Nov 17, 2008 | Issued |
Array
(
[id] => 6389557
[patent_doc_number] => 20100317797
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2010-12-16
[patent_title] => 'PARTICULATE CATALYST AND CATALYST/STABILIZER SYSTEMS FOR PRODUCING HIGH-MOLECULAR-WEIGHT HOMOPOLYESTERS AND COPOLYESTERS OF L-, D- OR D,L-LACTIC ACID'
[patent_app_type] => utility
[patent_app_number] => 12/742185
[patent_app_country] => US
[patent_app_date] => 2008-11-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 7786
[patent_no_of_claims] => 28
[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/A1/0317/20100317797.pdf
[firstpage_image] =>[orig_patent_app_number] => 12742185
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/742185 | PARTICULATE CATALYST AND CATALYST/STABILIZER SYSTEMS FOR PRODUCING HIGH-MOLECULAR-WEIGHT HOMOPOLYESTERS AND COPOLYESTERS OF L-, D- OR D,L-LACTIC ACID | Nov 13, 2008 | Abandoned |
Array
(
[id] => 6353699
[patent_doc_number] => 20100331512
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2010-12-30
[patent_title] => 'METHOD FOR PRODUCING CYCLIC DIESTERS OF L-, D- AND D,L-LACTIC ACID'
[patent_app_type] => utility
[patent_app_number] => 12/742361
[patent_app_country] => US
[patent_app_date] => 2008-11-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 6246
[patent_no_of_claims] => 10
[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/A1/0331/20100331512.pdf
[firstpage_image] =>[orig_patent_app_number] => 12742361
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/742361 | Method for producing cyclic diesters of L-, D- and D,L-lactic acid | Nov 13, 2008 | Issued |