Search

Celia C Chang

Examiner (ID: 4542, Phone: (571)272-0679 , Office: P/1625 )

Most Active Art Unit
1625
Art Unit(s)
1612, 1202, 2899, 1203, 1625
Total Applications
3041
Issued Applications
1838
Pending Applications
177
Abandoned Applications
1031

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 6275827 [patent_doc_number] => 20100256140 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-10-07 [patent_title] => 'INDOL-3-YL-CARBONYL-PIPERIDIN-BENZOIMIDAZOL DERIVATIVES' [patent_app_type] => utility [patent_app_number] => 12/819243 [patent_app_country] => US [patent_app_date] => 2010-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16087 [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/A1/0256/20100256140.pdf [firstpage_image] =>[orig_patent_app_number] => 12819243 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/819243
INDOL-3-YL-CARBONYL-PIPERIDIN-BENZOIMIDAZOL DERIVATIVES Jun 20, 2010 Abandoned
Array ( [id] => 8278728 [patent_doc_number] => 20120172600 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-07-05 [patent_title] => 'METHOD FOR PREPARATION OF ILOPERIDONE AND CRYSTALLIZATION METHOD THEREOF' [patent_app_type] => utility [patent_app_number] => 13/383175 [patent_app_country] => US [patent_app_date] => 2010-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3719 [patent_no_of_claims] => 21 [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] => 13383175 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/383175
Method for preparation of iloperidone and crystallization method thereof Jun 20, 2010 Issued
Array ( [id] => 6276163 [patent_doc_number] => 20100256185 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-10-07 [patent_title] => 'CRYSTALLINE FORMS OF A BIPHENYL COMPOUND' [patent_app_type] => utility [patent_app_number] => 12/817543 [patent_app_country] => US [patent_app_date] => 2010-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 22148 [patent_no_of_claims] => 19 [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/A1/0256/20100256185.pdf [firstpage_image] =>[orig_patent_app_number] => 12817543 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/817543
Crystalline forms of a biphenyl compound Jun 16, 2010 Issued
Array ( [id] => 10187543 [patent_doc_number] => 09216955 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-12-22 [patent_title] => 'Polymorphic form of Fexofenadine hydrochloride, intermediates and process for its preparation' [patent_app_type] => utility [patent_app_number] => 13/697861 [patent_app_country] => US [patent_app_date] => 2010-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4613 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13697861 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/697861
Polymorphic form of Fexofenadine hydrochloride, intermediates and process for its preparation Jun 14, 2010 Issued
Array ( [id] => 6351107 [patent_doc_number] => 20100249186 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-09-30 [patent_title] => 'BENZIMIDAZOLE-CARBOXAMIDE COMPOUNDS AS 5-HT4 RECEPTOR AGONISTS' [patent_app_type] => utility [patent_app_number] => 12/796902 [patent_app_country] => US [patent_app_date] => 2010-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24498 [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/A1/0249/20100249186.pdf [firstpage_image] =>[orig_patent_app_number] => 12796902 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/796902
Benzimidazole-carboxamide compounds as 5-HT4 receptor agonists Jun 8, 2010 Issued
Array ( [id] => 6296440 [patent_doc_number] => 20100240651 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-09-23 [patent_title] => 'WATER-SOLUBLE THALIDOMIDE DERIVATIVES' [patent_app_type] => utility [patent_app_number] => 12/793972 [patent_app_country] => US [patent_app_date] => 2010-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9095 [patent_no_of_claims] => 18 [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/A1/0240/20100240651.pdf [firstpage_image] =>[orig_patent_app_number] => 12793972 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/793972
WATER-SOLUBLE THALIDOMIDE DERIVATIVES Jun 3, 2010 Abandoned
Array ( [id] => 10045142 [patent_doc_number] => 09085530 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-07-21 [patent_title] => 'Methods for synthesizing 3-(substituted dihydroisoindolinone-2-yl)-2, 6-dioxopiperidine, and intermediates thereof' [patent_app_type] => utility [patent_app_number] => 13/375610 [patent_app_country] => US [patent_app_date] => 2010-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11508 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13375610 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/375610
Methods for synthesizing 3-(substituted dihydroisoindolinone-2-yl)-2, 6-dioxopiperidine, and intermediates thereof May 31, 2010 Issued
Array ( [id] => 8043501 [patent_doc_number] => 20120071487 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-03-22 [patent_title] => 'PIPERAZINE, PIPERIDINE AND TETRAHYDROPYRIDINE DERIVATIVES AND THEIR PHARMACEUTICAL USE' [patent_app_type] => utility [patent_app_number] => 13/322572 [patent_app_country] => US [patent_app_date] => 2010-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3649 [patent_no_of_claims] => 18 [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/A1/0071/20120071487.pdf [firstpage_image] =>[orig_patent_app_number] => 13322572 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/322572
Piperazine, piperidine and tetrahydropyridine derivatives and their pharmaceutical use May 25, 2010 Issued
Array ( [id] => 8199288 [patent_doc_number] => 20120122780 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-05-17 [patent_title] => 'Compounds, Compositions and Methods for Modulating Uric Acid Levels' [patent_app_type] => utility [patent_app_number] => 13/321155 [patent_app_country] => US [patent_app_date] => 2010-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 30189 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 12 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0122/20120122780.pdf [firstpage_image] =>[orig_patent_app_number] => 13321155 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/321155
Compounds, Compositions and Methods for Modulating Uric Acid Levels May 19, 2010 Abandoned
Array ( [id] => 8228477 [patent_doc_number] => 20120142690 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-06-07 [patent_title] => 'Substituted piperidines' [patent_app_type] => utility [patent_app_number] => 13/321921 [patent_app_country] => US [patent_app_date] => 2010-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18459 [patent_no_of_claims] => 19 [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] => 13321921 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/321921
Substituted piperidines May 17, 2010 Abandoned
Array ( [id] => 8211302 [patent_doc_number] => 20120129831 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-05-24 [patent_title] => 'Substituted 3-(1,2,4-Oxadiazol-5-yl)-5-Phenylpiperidines' [patent_app_type] => utility [patent_app_number] => 13/322602 [patent_app_country] => US [patent_app_date] => 2010-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20324 [patent_no_of_claims] => 19 [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] => publications/A1/0129/20120129831.pdf [firstpage_image] =>[orig_patent_app_number] => 13322602 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/322602
Substituted 3-(1,2,4-Oxadiazol-5-yl)-5-Phenylpiperidines May 13, 2010 Abandoned
Array ( [id] => 8240958 [patent_doc_number] => 20120149694 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-06-14 [patent_title] => 'Substituted piperidines' [patent_app_type] => utility [patent_app_number] => 13/321790 [patent_app_country] => US [patent_app_date] => 2010-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 29661 [patent_no_of_claims] => 19 [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] => 13321790 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/321790
Substituted piperidines May 13, 2010 Abandoned
Array ( [id] => 6548519 [patent_doc_number] => 20100222386 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-09-02 [patent_title] => 'SUBSTITUTED PIPERIDINES' [patent_app_type] => utility [patent_app_number] => 12/779435 [patent_app_country] => US [patent_app_date] => 2010-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12334 [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/A1/0222/20100222386.pdf [firstpage_image] =>[orig_patent_app_number] => 12779435 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/779435
SUBSTITUTED PIPERIDINES May 12, 2010 Abandoned
Array ( [id] => 7550737 [patent_doc_number] => 08063070 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-11-22 [patent_title] => 'Bicyclic benzamides of 3-or 4-substituted 4-(aminomethyl)-piperidine derivatives' [patent_app_type] => utility [patent_app_number] => 12/773183 [patent_app_country] => US [patent_app_date] => 2010-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13339 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 6 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/063/08063070.pdf [firstpage_image] =>[orig_patent_app_number] => 12773183 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/773183
Bicyclic benzamides of 3-or 4-substituted 4-(aminomethyl)-piperidine derivatives May 3, 2010 Issued
Array ( [id] => 7784911 [patent_doc_number] => 20120046467 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-02-23 [patent_title] => 'QUATERNARY AMMONIUM SALT COMPOUNDS' [patent_app_type] => utility [patent_app_number] => 13/266651 [patent_app_country] => US [patent_app_date] => 2010-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 63694 [patent_no_of_claims] => 26 [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] => publications/A1/0046/20120046467.pdf [firstpage_image] =>[orig_patent_app_number] => 13266651 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/266651
Quaternary ammonium salt compounds Apr 26, 2010 Issued
Array ( [id] => 7988135 [patent_doc_number] => 08076362 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-12-13 [patent_title] => 'Crystal modification A of 1-(2,6-difluorobenzyI)-1 H-1,2,3-triazole-4-carboxamide and dosage forms and formulations thereof' [patent_app_type] => utility [patent_app_number] => 12/767003 [patent_app_country] => US [patent_app_date] => 2010-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4582 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/076/08076362.pdf [firstpage_image] =>[orig_patent_app_number] => 12767003 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/767003
Crystal modification A of 1-(2,6-difluorobenzyI)-1 H-1,2,3-triazole-4-carboxamide and dosage forms and formulations thereof Apr 25, 2010 Issued
Array ( [id] => 7766390 [patent_doc_number] => 20120034315 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-02-09 [patent_title] => 'SOLID FORMS OF AN AZOCYCLIC AMIDE' [patent_app_type] => utility [patent_app_number] => 13/265138 [patent_app_country] => US [patent_app_date] => 2010-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 38026 [patent_no_of_claims] => 17 [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] => publications/A1/0034/20120034315.pdf [firstpage_image] =>[orig_patent_app_number] => 13265138 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/265138
Solid forms of an azocyclic amide Apr 18, 2010 Issued
Array ( [id] => 7784913 [patent_doc_number] => 20120046469 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-02-23 [patent_title] => 'Process for the Preparation of a Biphenyl-2-Yl carbamic Acid Ester' [patent_app_type] => utility [patent_app_number] => 13/263857 [patent_app_country] => US [patent_app_date] => 2010-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2895 [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] => publications/A1/0046/20120046469.pdf [firstpage_image] =>[orig_patent_app_number] => 13263857 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/263857
Process for the preparation of a biphenyl-2-yl carbamic acid ester Apr 13, 2010 Issued
Array ( [id] => 9323650 [patent_doc_number] => 08658671 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-02-25 [patent_title] => 'Crystalline form of a quinolinone-carboxamide compound' [patent_app_type] => utility [patent_app_number] => 12/759080 [patent_app_country] => US [patent_app_date] => 2010-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 15296 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12759080 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/759080
Crystalline form of a quinolinone-carboxamide compound Apr 12, 2010 Issued
Array ( [id] => 7491066 [patent_doc_number] => 08030330 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-10-04 [patent_title] => 'Benzothiophenes, formulations containing same, and methods' [patent_app_type] => utility [patent_app_number] => 12/757395 [patent_app_country] => US [patent_app_date] => 2010-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15806 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/030/08030330.pdf [firstpage_image] =>[orig_patent_app_number] => 12757395 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/757395
Benzothiophenes, formulations containing same, and methods Apr 8, 2010 Issued
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