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] => 4880632 [patent_doc_number] => 20080154015 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-06-26 [patent_title] => 'Methods For Forming Composite Articles From Tailorable Polyimide Resin Systems using RTM and RI Techniques' [patent_app_type] => utility [patent_app_number] => 11/965083 [patent_app_country] => US [patent_app_date] => 2007-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6118 [patent_no_of_claims] => 12 [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/A1/0154/20080154015.pdf [firstpage_image] =>[orig_patent_app_number] => 11965083 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/965083
Methods for forming composite articles from tailorable polyimide resin systems using RTM and RI techniques Dec 26, 2007 Issued
Array ( [id] => 7491444 [patent_doc_number] => 08030433 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-10-04 [patent_title] => 'RTM and RI processible tailorable polyimide resin systems and composite articles formed therefrom' [patent_app_type] => utility [patent_app_number] => 11/965071 [patent_app_country] => US [patent_app_date] => 2007-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6056 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/030/08030433.pdf [firstpage_image] =>[orig_patent_app_number] => 11965071 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/965071
RTM and RI processible tailorable polyimide resin systems and composite articles formed therefrom Dec 26, 2007 Issued
Array ( [id] => 6322504 [patent_doc_number] => 20100113661 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-05-06 [patent_title] => 'METHOD FOR PREPARING POLYAMIDE POWDER BY ANIONIC POLYMERISATION' [patent_app_type] => utility [patent_app_number] => 12/521082 [patent_app_country] => US [patent_app_date] => 2007-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4999 [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/A1/0113/20100113661.pdf [firstpage_image] =>[orig_patent_app_number] => 12521082 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/521082
METHOD FOR PREPARING POLYAMIDE POWDER BY ANIONIC POLYMERISATION Dec 19, 2007 Abandoned
Array ( [id] => 6340055 [patent_doc_number] => 20100084171 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-04-08 [patent_title] => 'NOVEL POLYIMIDE PRECURSOR COMPOSITION, USE THEREOF AND PRODUCTION METHOD THEREOF' [patent_app_type] => utility [patent_app_number] => 12/521205 [patent_app_country] => US [patent_app_date] => 2007-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20055 [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/A1/0084/20100084171.pdf [firstpage_image] =>[orig_patent_app_number] => 12521205 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/521205
Polyimide precursor composition, use thereof and production method thereof Dec 18, 2007 Issued
Array ( [id] => 4830038 [patent_doc_number] => 20080129182 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-06-05 [patent_title] => 'VACUUM ENVELOPE FOR IMAGE DISPLAY DEVICE AND SEALANT FOR IMAGE DISPLAY DEVICE' [patent_app_type] => utility [patent_app_number] => 11/957857 [patent_app_country] => US [patent_app_date] => 2007-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 12444 [patent_no_of_claims] => 11 [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/A1/0129/20080129182.pdf [firstpage_image] =>[orig_patent_app_number] => 11957857 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/957857
VACUUM ENVELOPE FOR IMAGE DISPLAY DEVICE AND SEALANT FOR IMAGE DISPLAY DEVICE Dec 16, 2007 Abandoned
Array ( [id] => 6393946 [patent_doc_number] => 20100304115 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-12-02 [patent_title] => 'SHAPE MEMORY POLYAMIDE AND METHOD OF PRODUCING SHAPE MEMORY POLYAMIDE FABRIC USING THE SAME' [patent_app_type] => utility [patent_app_number] => 12/446546 [patent_app_country] => US [patent_app_date] => 2007-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3324 [patent_no_of_claims] => 13 [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/A1/0304/20100304115.pdf [firstpage_image] =>[orig_patent_app_number] => 12446546 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/446546
SHAPE MEMORY POLYAMIDE AND METHOD OF PRODUCING SHAPE MEMORY POLYAMIDE FABRIC USING THE SAME Dec 5, 2007 Abandoned
Array ( [id] => 8398575 [patent_doc_number] => 08268956 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-09-18 [patent_title] => 'Transparent mold made of a polyamide molding material' [patent_app_type] => utility [patent_app_number] => 11/950964 [patent_app_country] => US [patent_app_date] => 2007-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4299 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 11950964 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/950964
Transparent mold made of a polyamide molding material Dec 4, 2007 Issued
Array ( [id] => 4867714 [patent_doc_number] => 20080146773 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-06-19 [patent_title] => 'Nucleophilic Acyl Substitution-based Polymerization Catalyzed by Mononuclear Oxometallic Complexes' [patent_app_type] => utility [patent_app_number] => 11/950455 [patent_app_country] => US [patent_app_date] => 2007-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5359 [patent_no_of_claims] => 32 [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/A1/0146/20080146773.pdf [firstpage_image] =>[orig_patent_app_number] => 11950455 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/950455
Nucleophilic Acyl Substitution-based Polymerization Catalyzed by Mononuclear Oxometallic Complexes Dec 4, 2007 Abandoned
Array ( [id] => 7724465 [patent_doc_number] => 08097736 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-01-17 [patent_title] => 'Stable lactide particles' [patent_app_type] => utility [patent_app_number] => 11/987256 [patent_app_country] => US [patent_app_date] => 2007-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3596 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/097/08097736.pdf [firstpage_image] =>[orig_patent_app_number] => 11987256 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/987256
Stable lactide particles Nov 27, 2007 Issued
Array ( [id] => 22751 [patent_doc_number] => 07799890 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-09-21 [patent_title] => 'Amide-containing polymers for rheology control' [patent_app_type] => utility [patent_app_number] => 11/941494 [patent_app_country] => US [patent_app_date] => 2007-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10677 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 310 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/799/07799890.pdf [firstpage_image] =>[orig_patent_app_number] => 11941494 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/941494
Amide-containing polymers for rheology control Nov 15, 2007 Issued
Array ( [id] => 4554427 [patent_doc_number] => 07820758 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2010-10-26 [patent_title] => 'Polymeric glycerin surfactants' [patent_app_type] => utility [patent_app_number] => 11/983439 [patent_app_country] => US [patent_app_date] => 2007-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2099 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 11 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/820/07820758.pdf [firstpage_image] =>[orig_patent_app_number] => 11983439 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/983439
Polymeric glycerin surfactants Nov 12, 2007 Issued
Array ( [id] => 14072 [patent_doc_number] => 07803896 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-09-28 [patent_title] => 'Polyimide-titania hybrid materials, their preparation, and film prepared from the materials' [patent_app_type] => utility [patent_app_number] => 11/979981 [patent_app_country] => US [patent_app_date] => 2007-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 6366 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/803/07803896.pdf [firstpage_image] =>[orig_patent_app_number] => 11979981 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/979981
Polyimide-titania hybrid materials, their preparation, and film prepared from the materials Nov 12, 2007 Issued
Array ( [id] => 5265775 [patent_doc_number] => 20090118460 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-05-07 [patent_title] => 'SOLUBLE AROMATIC RANDOM COPOLYIMIDE AND PROCESS FOR PREPARING SAME' [patent_app_type] => utility [patent_app_number] => 11/936465 [patent_app_country] => US [patent_app_date] => 2007-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4462 [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/A1/0118/20090118460.pdf [firstpage_image] =>[orig_patent_app_number] => 11936465 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/936465
SOLUBLE AROMATIC RANDOM COPOLYIMIDE AND PROCESS FOR PREPARING SAME Nov 6, 2007 Abandoned
Array ( [id] => 4451374 [patent_doc_number] => 07964698 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-06-21 [patent_title] => 'Wholly aromatic liquid crystalline polyetherimide (LC-PEI) resins' [patent_app_type] => utility [patent_app_number] => 11/935036 [patent_app_country] => US [patent_app_date] => 2007-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 4425 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 10 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/964/07964698.pdf [firstpage_image] =>[orig_patent_app_number] => 11935036 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/935036
Wholly aromatic liquid crystalline polyetherimide (LC-PEI) resins Nov 4, 2007 Issued
Array ( [id] => 4867713 [patent_doc_number] => 20080146772 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-06-19 [patent_title] => 'MATERIALS AND METHODS FOR CO-CRYSTAL CONTROLLED SOLID-STATE SYNTHESIS OF IMIDES AND IMINES' [patent_app_type] => utility [patent_app_number] => 11/934230 [patent_app_country] => US [patent_app_date] => 2007-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 98 [patent_figures_cnt] => 98 [patent_no_of_words] => 12006 [patent_no_of_claims] => 13 [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/A1/0146/20080146772.pdf [firstpage_image] =>[orig_patent_app_number] => 11934230 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/934230
MATERIALS AND METHODS FOR CO-CRYSTAL CONTROLLED SOLID-STATE SYNTHESIS OF IMIDES AND IMINES Nov 1, 2007 Abandoned
Array ( [id] => 4867715 [patent_doc_number] => 20080146774 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-06-19 [patent_title] => 'Degradable 1,4-benzodioxepin-3-hexyl-2,5-dione monomer derived polymer with a high glass transition temperature' [patent_app_type] => utility [patent_app_number] => 11/980209 [patent_app_country] => US [patent_app_date] => 2007-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 5878 [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] => publications/A1/0146/20080146774.pdf [firstpage_image] =>[orig_patent_app_number] => 11980209 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/980209
Degradable 1,4-benzodioxepin-3-hexyl-2,5-dione monomer derived polymer with a high glass transition temperature Oct 29, 2007 Issued
Array ( [id] => 4965961 [patent_doc_number] => 20080108781 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-05-08 [patent_title] => 'TAILORABLE POLYIMIDE PREPOLYMER BLENDS, CROSSLINKED POLYIMIDES, AND ARTICLES FORMED THEREFROM' [patent_app_type] => utility [patent_app_number] => 11/928274 [patent_app_country] => US [patent_app_date] => 2007-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5920 [patent_no_of_claims] => 23 [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/A1/0108/20080108781.pdf [firstpage_image] =>[orig_patent_app_number] => 11928274 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/928274
Tailorable polyimide prepolymer blends, crosslinked polyimides, and articles formed therefrom Oct 29, 2007 Issued
Array ( [id] => 4613544 [patent_doc_number] => 07989578 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-08-02 [patent_title] => 'Negative photosensitive polyimide polymer and uses thereof' [patent_app_type] => utility [patent_app_number] => 11/980103 [patent_app_country] => US [patent_app_date] => 2007-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 6963 [patent_no_of_claims] => 7 [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] => patents/07/989/07989578.pdf [firstpage_image] =>[orig_patent_app_number] => 11980103 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/980103
Negative photosensitive polyimide polymer and uses thereof Oct 29, 2007 Issued
Array ( [id] => 4880635 [patent_doc_number] => 20080154018 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-06-26 [patent_title] => 'Process for the filtration of molten polycarbonate' [patent_app_type] => utility [patent_app_number] => 11/977505 [patent_app_country] => US [patent_app_date] => 2007-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6266 [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/A1/0154/20080154018.pdf [firstpage_image] =>[orig_patent_app_number] => 11977505 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/977505
Process for the filtration of molten polycarbonate Oct 24, 2007 Abandoned
Array ( [id] => 8386324 [patent_doc_number] => 08263733 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-09-11 [patent_title] => 'Application of coil tube evaporators for the production of polyamides' [patent_app_type] => utility [patent_app_number] => 12/446274 [patent_app_country] => US [patent_app_date] => 2007-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3976 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12446274 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/446274
Application of coil tube evaporators for the production of polyamides Oct 18, 2007 Issued
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