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] => 9692035 [patent_doc_number] => 08822630 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-09-02 [patent_title] => 'Polyamide composition' [patent_app_type] => utility [patent_app_number] => 13/997809 [patent_app_country] => US [patent_app_date] => 2011-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18878 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13997809 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/997809
Polyamide composition Dec 19, 2011 Issued
Array ( [id] => 8121375 [patent_doc_number] => 20120085233 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-04-12 [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] => 13/329365 [patent_app_country] => US [patent_app_date] => 2011-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11275 [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/A1/0085/20120085233.pdf [firstpage_image] =>[orig_patent_app_number] => 13329365 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/329365
BLEND POLYMER MEMBRANES COMPRISING THERMALLY REARRANGED POLYMERS DERIVED FROM AROMATIC POLYIMIDES CONTAINING ORTHO-POSITIONED FUNCTIONAL GROUPS Dec 18, 2011 Abandoned
Array ( [id] => 9188667 [patent_doc_number] => 20130327982 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-12-12 [patent_title] => 'POLYIMIDE SEAMLESS BELT AND PROCESS FOR PRODUCTION THEREOF, AND POLYIMIDE PRECURSOR SOLUTION COMPOSITION' [patent_app_type] => utility [patent_app_number] => 13/994391 [patent_app_country] => US [patent_app_date] => 2011-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12689 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13994391 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/994391
POLYIMIDE SEAMLESS BELT AND PROCESS FOR PRODUCTION THEREOF, AND POLYIMIDE PRECURSOR SOLUTION COMPOSITION Dec 13, 2011 Abandoned
Array ( [id] => 12044714 [patent_doc_number] => 09822308 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-11-21 [patent_title] => 'Star-and tree-shaped branched polymers having flame-retardant properties' [patent_app_type] => utility [patent_app_number] => 13/993813 [patent_app_country] => US [patent_app_date] => 2011-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2911 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13993813 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/993813
Star-and tree-shaped branched polymers having flame-retardant properties Dec 13, 2011 Issued
Array ( [id] => 8555352 [patent_doc_number] => 08329823 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-12-11 [patent_title] => 'Photocrosslinkable materials' [patent_app_type] => utility [patent_app_number] => 13/308879 [patent_app_country] => US [patent_app_date] => 2011-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 34763 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 17 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13308879 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/308879
Photocrosslinkable materials Nov 30, 2011 Issued
Array ( [id] => 10103918 [patent_doc_number] => 09139692 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-09-22 [patent_title] => 'Process for polymerizing lactam' [patent_app_type] => utility [patent_app_number] => 13/308845 [patent_app_country] => US [patent_app_date] => 2011-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3522 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13308845 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/308845
Process for polymerizing lactam Nov 30, 2011 Issued
Array ( [id] => 8197946 [patent_doc_number] => 20120122033 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-05-17 [patent_title] => 'POLYMER PRECURSOR, HIGH TRANSPARENCY POLYIMIDE PRECURSOR, POLYMER COMPOUND, RESIN COMPOSITION AND ARTICLE USING THEREOF' [patent_app_type] => utility [patent_app_number] => 13/307578 [patent_app_country] => US [patent_app_date] => 2011-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 23417 [patent_no_of_claims] => 5 [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/A1/0122/20120122033.pdf [firstpage_image] =>[orig_patent_app_number] => 13307578 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/307578
Polymer precursor, high transparency polyimide precursor, polymer compound, resin composition and article using thereof Nov 29, 2011 Issued
Array ( [id] => 9401842 [patent_doc_number] => 08691894 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-04-08 [patent_title] => 'Preparation of polyamide block copolymers' [patent_app_type] => utility [patent_app_number] => 13/300784 [patent_app_country] => US [patent_app_date] => 2011-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 7295 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13300784 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/300784
Preparation of polyamide block copolymers Nov 20, 2011 Issued
Array ( [id] => 8221930 [patent_doc_number] => 20120136134 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-05-31 [patent_title] => 'PROCESS FOR PREPARING A POLYESTER' [patent_app_type] => utility [patent_app_number] => 13/297344 [patent_app_country] => US [patent_app_date] => 2011-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 7516 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13297344 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/297344
Process for preparing a polyester Nov 15, 2011 Issued
Array ( [id] => 11582962 [patent_doc_number] => 09637587 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-05-02 [patent_title] => 'Method for the manufacture of a polyhydroxy-carboxylic acid' [patent_app_type] => utility [patent_app_number] => 13/985770 [patent_app_country] => US [patent_app_date] => 2011-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 11744 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13985770 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/985770
Method for the manufacture of a polyhydroxy-carboxylic acid Nov 14, 2011 Issued
Array ( [id] => 11250267 [patent_doc_number] => 09475758 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-10-25 [patent_title] => 'Compounds, method for preparation thereof and use thereof for preparing polymers useful for increasing heat resistance of polymeric compositions' [patent_app_type] => utility [patent_app_number] => 13/884540 [patent_app_country] => US [patent_app_date] => 2011-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3827 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 8 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13884540 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/884540
Compounds, method for preparation thereof and use thereof for preparing polymers useful for increasing heat resistance of polymeric compositions Nov 8, 2011 Issued
Array ( [id] => 8928671 [patent_doc_number] => 20130184431 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-07-18 [patent_title] => 'POLYAMIDE RESINS AND PROCESSES FOR MOLDING THEM' [patent_app_type] => utility [patent_app_number] => 13/824695 [patent_app_country] => US [patent_app_date] => 2011-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8719 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13824695 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/824695
Polyamide resins and processes for molding them Nov 7, 2011 Issued
Array ( [id] => 10155842 [patent_doc_number] => 09187600 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-11-17 [patent_title] => 'Polyimides as dielectric' [patent_app_type] => utility [patent_app_number] => 13/286639 [patent_app_country] => US [patent_app_date] => 2011-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 14 [patent_no_of_words] => 16345 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13286639 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/286639
Polyimides as dielectric Oct 31, 2011 Issued
Array ( [id] => 8791883 [patent_doc_number] => 20130108852 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-05-02 [patent_title] => 'POLYETHERIMIDES, METHODS OF MANUFACTURE, AND ARTICLES FORMED THEREFROM' [patent_app_type] => utility [patent_app_number] => 13/283965 [patent_app_country] => US [patent_app_date] => 2011-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 17666 [patent_no_of_claims] => 95 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13283965 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/283965
Polyetherimides, methods of manufacture, and articles formed therefrom Oct 27, 2011 Issued
Array ( [id] => 8791882 [patent_doc_number] => 20130108851 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-05-02 [patent_title] => 'POLYETHERIMIDES, METHODS OF MANUFACTURE, AND ARTICLES FORMED THEREFROM' [patent_app_type] => utility [patent_app_number] => 13/283951 [patent_app_country] => US [patent_app_date] => 2011-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 13656 [patent_no_of_claims] => 49 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13283951 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/283951
Polyetherimides, methods of manufacture, and articles formed therefrom Oct 27, 2011 Issued
Array ( [id] => 8417820 [patent_doc_number] => 20120245320 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-09-27 [patent_title] => 'Method of production of cast polyamides' [patent_app_type] => utility [patent_app_number] => 13/283155 [patent_app_country] => US [patent_app_date] => 2011-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4098 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13283155 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/283155
Method of production of cast polyamides Oct 26, 2011 Issued
Array ( [id] => 11225411 [patent_doc_number] => 09453126 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-09-27 [patent_title] => 'Cyanate ester compound, curable resin composition containing cyanate ester compound, and cured product thereof' [patent_app_type] => utility [patent_app_number] => 13/878584 [patent_app_country] => US [patent_app_date] => 2011-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 8183 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 12 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13878584 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/878584
Cyanate ester compound, curable resin composition containing cyanate ester compound, and cured product thereof Oct 24, 2011 Issued
Array ( [id] => 9582415 [patent_doc_number] => 08772418 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-07-08 [patent_title] => 'Cross-linker' [patent_app_type] => utility [patent_app_number] => 13/880752 [patent_app_country] => US [patent_app_date] => 2011-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 11055 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 4 [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] => 13880752 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/880752
Cross-linker Oct 20, 2011 Issued
Array ( [id] => 9281544 [patent_doc_number] => 20140031512 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-01-30 [patent_title] => 'POLYMER COMPOSITION, PROCESS FOR PREPARING AND ARTICLES OBTAINED FROM THE COMPOSITION' [patent_app_type] => utility [patent_app_number] => 13/878861 [patent_app_country] => US [patent_app_date] => 2011-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2000 [patent_no_of_claims] => 10 [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] => 13878861 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/878861
POLYMER COMPOSITION, PROCESS FOR PREPARING AND ARTICLES OBTAINED FROM THE COMPOSITION Oct 19, 2011 Abandoned
Array ( [id] => 9635583 [patent_doc_number] => 20140213692 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-07-31 [patent_title] => 'AQUEOUS POLYMER DISPERSION' [patent_app_type] => utility [patent_app_number] => 14/346844 [patent_app_country] => US [patent_app_date] => 2011-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6490 [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] => 14346844 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/346844
Aqueous polymer dispersion Oct 10, 2011 Issued
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