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] => 5096351 [patent_doc_number] => 20070117960 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-05-24 [patent_title] => 'Crosslinked polymide compound and use thereof' [patent_app_type] => utility [patent_app_number] => 10/588998 [patent_app_country] => US [patent_app_date] => 2005-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3958 [patent_no_of_claims] => 25 [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/A1/0117/20070117960.pdf [firstpage_image] =>[orig_patent_app_number] => 10588998 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/588998
Crosslinked polymide compound and use thereof Feb 9, 2005 Abandoned
Array ( [id] => 5220463 [patent_doc_number] => 20070161774 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-07-12 [patent_title] => 'Continuous method for the production of polyamides' [patent_app_type] => utility [patent_app_number] => 10/588810 [patent_app_country] => US [patent_app_date] => 2005-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10501 [patent_no_of_claims] => 11 [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/A1/0161/20070161774.pdf [firstpage_image] =>[orig_patent_app_number] => 10588810 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/588810
Continuous method for the production of polyamides Feb 7, 2005 Issued
Array ( [id] => 7136330 [patent_doc_number] => 20050181257 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-08-18 [patent_title] => 'Polyimide comprising sulfonic acid group at the terminal of side chain, and polymer electrolyte and fuel cell using the same' [patent_app_type] => utility [patent_app_number] => 11/052249 [patent_app_country] => US [patent_app_date] => 2005-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6706 [patent_no_of_claims] => 22 [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/A1/0181/20050181257.pdf [firstpage_image] =>[orig_patent_app_number] => 11052249 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/052249
Polyimide comprising sulfonic acid group at the terminal of side chain, and polymer electrolyte and fuel cell using the same Feb 7, 2005 Issued
Array ( [id] => 925812 [patent_doc_number] => 07317110 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-01-08 [patent_title] => 'Low dielectric constant organo-soluble polyimides' [patent_app_type] => utility [patent_app_number] => 11/049654 [patent_app_country] => US [patent_app_date] => 2005-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3802 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/317/07317110.pdf [firstpage_image] =>[orig_patent_app_number] => 11049654 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/049654
Low dielectric constant organo-soluble polyimides Feb 3, 2005 Issued
Array ( [id] => 7136272 [patent_doc_number] => 20050181223 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-08-18 [patent_title] => 'Flexible metal foil-polyimide laminate and making method' [patent_app_type] => utility [patent_app_number] => 11/046751 [patent_app_country] => US [patent_app_date] => 2005-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3815 [patent_no_of_claims] => 6 [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/A1/0181/20050181223.pdf [firstpage_image] =>[orig_patent_app_number] => 11046751 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/046751
Flexible metal foil-polyimide laminate and making method Jan 31, 2005 Abandoned
Array ( [id] => 5776545 [patent_doc_number] => 20060105185 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-05-18 [patent_title] => 'New process for preparing polyimide' [patent_app_type] => utility [patent_app_number] => 11/043135 [patent_app_country] => US [patent_app_date] => 2005-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4027 [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] => publications/A1/0105/20060105185.pdf [firstpage_image] =>[orig_patent_app_number] => 11043135 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/043135
New process for preparing polyimide Jan 26, 2005 Abandoned
Array ( [id] => 5254157 [patent_doc_number] => 20070135613 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-06-14 [patent_title] => 'Method for the manufacture of a partially crystalline polycondensate' [patent_app_type] => utility [patent_app_number] => 10/590554 [patent_app_country] => US [patent_app_date] => 2005-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3726 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 16 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0135/20070135613.pdf [firstpage_image] =>[orig_patent_app_number] => 10590554 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/590554
Method for the manufacture of a partially crystalline polycondensate Jan 23, 2005 Abandoned
Array ( [id] => 7019084 [patent_doc_number] => 20050221103 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-10-06 [patent_title] => 'Polyimide complex sheet' [patent_app_type] => utility [patent_app_number] => 11/039820 [patent_app_country] => US [patent_app_date] => 2005-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5545 [patent_no_of_claims] => 19 [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/A1/0221/20050221103.pdf [firstpage_image] =>[orig_patent_app_number] => 11039820 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/039820
Polyimide complex sheet Jan 23, 2005 Abandoned
Array ( [id] => 7006016 [patent_doc_number] => 20050171329 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-08-04 [patent_title] => 'Recording material' [patent_app_type] => utility [patent_app_number] => 11/033124 [patent_app_country] => US [patent_app_date] => 2005-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5276 [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/A1/0171/20050171329.pdf [firstpage_image] =>[orig_patent_app_number] => 11033124 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/033124
Recording material Jan 11, 2005 Abandoned
Array ( [id] => 6913139 [patent_doc_number] => 20050176897 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-08-11 [patent_title] => 'Polyalkylenimine-derived polymer and its production process and uses' [patent_app_type] => utility [patent_app_number] => 11/033951 [patent_app_country] => US [patent_app_date] => 2005-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10958 [patent_no_of_claims] => 17 [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/A1/0176/20050176897.pdf [firstpage_image] =>[orig_patent_app_number] => 11033951 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/033951
Polyalkylenimine-derived polymer and its production process and uses Jan 11, 2005 Abandoned
Array ( [id] => 7146408 [patent_doc_number] => 20050119448 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-06-02 [patent_title] => 'Method of producing lactic acid' [patent_app_type] => utility [patent_app_number] => 11/030145 [patent_app_country] => US [patent_app_date] => 2005-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3667 [patent_no_of_claims] => 2 [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/A1/0119/20050119448.pdf [firstpage_image] =>[orig_patent_app_number] => 11030145 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/030145
Method of producing lactic acid Jan 6, 2005 Abandoned
Array ( [id] => 7188831 [patent_doc_number] => 20050192367 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-09-01 [patent_title] => 'Ormosil aerogels containing silicon bonded linear polymers' [patent_app_type] => utility [patent_app_number] => 11/030395 [patent_app_country] => US [patent_app_date] => 2005-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 8334 [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/A1/0192/20050192367.pdf [firstpage_image] =>[orig_patent_app_number] => 11030395 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/030395
Ormosil aerogels containing silicon bonded linear polymers Jan 4, 2005 Issued
Array ( [id] => 7188825 [patent_doc_number] => 20050192366 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-09-01 [patent_title] => 'Ormosil aerogels containing silicon bonded polymethacrylate' [patent_app_type] => utility [patent_app_number] => 11/030014 [patent_app_country] => US [patent_app_date] => 2005-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 13449 [patent_no_of_claims] => 19 [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/A1/0192/20050192366.pdf [firstpage_image] =>[orig_patent_app_number] => 11030014 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/030014
Ormosil aerogels containing silicon bonded polymethacrylate Jan 4, 2005 Abandoned
Array ( [id] => 6939997 [patent_doc_number] => 20050113560 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-05-26 [patent_title] => 'Body fluid compatible and biocompatible resin' [patent_app_type] => utility [patent_app_number] => 11/028185 [patent_app_country] => US [patent_app_date] => 2005-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 65 [patent_figures_cnt] => 65 [patent_no_of_words] => 76109 [patent_no_of_claims] => 34 [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/A1/0113/20050113560.pdf [firstpage_image] =>[orig_patent_app_number] => 11028185 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/028185
Body fluid compatible and biocompatible resin Jan 3, 2005 Issued
Array ( [id] => 5189295 [patent_doc_number] => 20070167604 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-07-19 [patent_title] => 'Method for preparing polyester copolymer containing amide link' [patent_app_type] => utility [patent_app_number] => 10/585240 [patent_app_country] => US [patent_app_date] => 2004-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2261 [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/A1/0167/20070167604.pdf [firstpage_image] =>[orig_patent_app_number] => 10585240 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/585240
Method for preparing polyester copolymer containing amide link Dec 30, 2004 Abandoned
Array ( [id] => 9166870 [patent_doc_number] => 08592548 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-11-26 [patent_title] => 'Method to prepare bis(haloimides)' [patent_app_type] => utility [patent_app_number] => 11/022907 [patent_app_country] => US [patent_app_date] => 2004-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7942 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 11022907 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/022907
Method to prepare bis(haloimides) Dec 21, 2004 Issued
Array ( [id] => 5649990 [patent_doc_number] => 20060135725 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-06-22 [patent_title] => 'New balloon materials' [patent_app_type] => utility [patent_app_number] => 11/019492 [patent_app_country] => US [patent_app_date] => 2004-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4224 [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/A1/0135/20060135725.pdf [firstpage_image] =>[orig_patent_app_number] => 11019492 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/019492
New balloon materials Dec 20, 2004 Abandoned
Array ( [id] => 4909453 [patent_doc_number] => 20080020219 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-01-24 [patent_title] => 'Composite Materials Comprising a Reinforcing Material and a Thermoplastic Matrix, Precursor Compound Article of Said Materials and Products Obtained Using Same' [patent_app_type] => utility [patent_app_number] => 10/583168 [patent_app_country] => US [patent_app_date] => 2004-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4453 [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/A1/0020/20080020219.pdf [firstpage_image] =>[orig_patent_app_number] => 10583168 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/583168
Composite materials comprising a reinforcing material and a thermoplastic matrix, precursor compound article of said materials and products obtained using same Dec 19, 2004 Issued
Array ( [id] => 7688641 [patent_doc_number] => 20070106057 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-05-10 [patent_title] => 'Polyimide resin, method of producing polyimide resin, and electrolyte membrane, catalyst layer, membrane/electrode assembly and device each containing polyimide resin' [patent_app_type] => utility [patent_app_number] => 10/581933 [patent_app_country] => US [patent_app_date] => 2004-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 5694 [patent_no_of_claims] => 21 [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] => publications/A1/0106/20070106057.pdf [firstpage_image] =>[orig_patent_app_number] => 10581933 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/581933
Polyimide resin, method of producing polyimide resin, and electrolyte membrane, catalyst layer, membrane/electrode assembly and device each containing polyimide resin Dec 7, 2004 Abandoned
Array ( [id] => 5023792 [patent_doc_number] => 20070149758 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-06-28 [patent_title] => 'Aromatic polyamic acid and polyimide' [patent_app_type] => utility [patent_app_number] => 10/584189 [patent_app_country] => US [patent_app_date] => 2004-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 6345 [patent_no_of_claims] => 7 [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/A1/0149/20070149758.pdf [firstpage_image] =>[orig_patent_app_number] => 10584189 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/584189
Aromatic polyamic acid and polyimide Dec 5, 2004 Abandoned
Menu