Search

Ching Chang

Examiner (ID: 3427, Phone: (571)272-4857 , Office: P/3748 )

Most Active Art Unit
3748
Art Unit(s)
3748, 3746
Total Applications
1871
Issued Applications
1700
Pending Applications
11
Abandoned Applications
170

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 3410524 [patent_doc_number] => 05438046 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-08-01 [patent_title] => 'N-heteroaryl substituted derivatives of propanamide useful in the treatment of cardiovascular diseases' [patent_app_type] => 1 [patent_app_number] => 8/280675 [patent_app_country] => US [patent_app_date] => 1994-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11644 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/438/05438046.pdf [firstpage_image] =>[orig_patent_app_number] => 280675 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/280675
N-heteroaryl substituted derivatives of propanamide useful in the treatment of cardiovascular diseases Jul 26, 1994 Issued
Array ( [id] => 3444761 [patent_doc_number] => 05466811 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-11-14 [patent_title] => 'Dioxolenylmethyl carbamates pro moieties for amine drugs' [patent_app_type] => 1 [patent_app_number] => 8/276220 [patent_app_country] => US [patent_app_date] => 1994-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5653 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/466/05466811.pdf [firstpage_image] =>[orig_patent_app_number] => 276220 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/276220
Dioxolenylmethyl carbamates pro moieties for amine drugs Jul 17, 1994 Issued
Array ( [id] => 3477236 [patent_doc_number] => 05432181 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-07-11 [patent_title] => 'Substituted heteroaryl analogs of 4,6-di-tertiary-butyl-5-hydroxy-1,3-pyrimidines useful as antiinflammatory agents' [patent_app_type] => 1 [patent_app_number] => 8/274185 [patent_app_country] => US [patent_app_date] => 1994-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13129 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/432/05432181.pdf [firstpage_image] =>[orig_patent_app_number] => 274185 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/274185
Substituted heteroaryl analogs of 4,6-di-tertiary-butyl-5-hydroxy-1,3-pyrimidines useful as antiinflammatory agents Jul 11, 1994 Issued
Array ( [id] => 3616056 [patent_doc_number] => 05510480 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-04-23 [patent_title] => 'Certain azacycloalkyl imidazopyrimidines: a new class of GABA brain receptor ligands' [patent_app_type] => 1 [patent_app_number] => 8/273497 [patent_app_country] => US [patent_app_date] => 1994-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 8 [patent_no_of_words] => 10197 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 391 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/510/05510480.pdf [firstpage_image] =>[orig_patent_app_number] => 273497 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/273497
Certain azacycloalkyl imidazopyrimidines: a new class of GABA brain receptor ligands Jul 10, 1994 Issued
Array ( [id] => 3519086 [patent_doc_number] => 05486625 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-01-23 [patent_title] => 'Process for the preparation of chiral intermediates useful for the synthesis of antifungal agents' [patent_app_type] => 1 [patent_app_number] => 8/272411 [patent_app_country] => US [patent_app_date] => 1994-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5762 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/486/05486625.pdf [firstpage_image] =>[orig_patent_app_number] => 272411 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/272411
Process for the preparation of chiral intermediates useful for the synthesis of antifungal agents Jul 7, 1994 Issued
Array ( [id] => 3428309 [patent_doc_number] => 05462942 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-10-31 [patent_title] => '2,3-dihydro-1,4-benzodioxin-5-yl-piperazine derivatives having 5-HT 1A-antagonistic activity' [patent_app_type] => 1 [patent_app_number] => 8/269086 [patent_app_country] => US [patent_app_date] => 1994-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6994 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/462/05462942.pdf [firstpage_image] =>[orig_patent_app_number] => 269086 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/269086
2,3-dihydro-1,4-benzodioxin-5-yl-piperazine derivatives having 5-HT 1A-antagonistic activity Jun 29, 1994 Issued
Array ( [id] => 3459213 [patent_doc_number] => 05441925 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-08-15 [patent_title] => '1-amino-3-(bicyclic heterocyclyl)-6-fluoroalkyluracils' [patent_app_type] => 1 [patent_app_number] => 8/267271 [patent_app_country] => US [patent_app_date] => 1994-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3224 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/441/05441925.pdf [firstpage_image] =>[orig_patent_app_number] => 267271 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/267271
1-amino-3-(bicyclic heterocyclyl)-6-fluoroalkyluracils Jun 27, 1994 Issued
Array ( [id] => 3588130 [patent_doc_number] => 05550131 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-08-27 [patent_title] => '2-piperazinone compounds and their use' [patent_app_type] => 1 [patent_app_number] => 8/262315 [patent_app_country] => US [patent_app_date] => 1994-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20405 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/550/05550131.pdf [firstpage_image] =>[orig_patent_app_number] => 262315 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/262315
2-piperazinone compounds and their use Jun 16, 1994 Issued
Array ( [id] => 3490444 [patent_doc_number] => 05439909 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-08-08 [patent_title] => 'New substituted benzodioxins' [patent_app_type] => 1 [patent_app_number] => 8/259699 [patent_app_country] => US [patent_app_date] => 1994-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16731 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/439/05439909.pdf [firstpage_image] =>[orig_patent_app_number] => 259699 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/259699
New substituted benzodioxins Jun 13, 1994 Issued
Array ( [id] => 3107386 [patent_doc_number] => 05418237 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-05-23 [patent_title] => 'Indole derivatives' [patent_app_type] => 1 [patent_app_number] => 8/262256 [patent_app_country] => US [patent_app_date] => 1994-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10338 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/418/05418237.pdf [firstpage_image] =>[orig_patent_app_number] => 262256 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/262256
Indole derivatives Jun 12, 1994 Issued
Array ( [id] => 3428279 [patent_doc_number] => 05462940 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-10-31 [patent_title] => '4-oxocyclic ureas useful as antiarrhythmic and antifibrillatory agents' [patent_app_type] => 1 [patent_app_number] => 8/275461 [patent_app_country] => US [patent_app_date] => 1994-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14290 [patent_no_of_claims] => 35 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 29 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/462/05462940.pdf [firstpage_image] =>[orig_patent_app_number] => 275461 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/275461
4-oxocyclic ureas useful as antiarrhythmic and antifibrillatory agents Jun 2, 1994 Issued
Array ( [id] => 3557524 [patent_doc_number] => 05543533 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-08-06 [patent_title] => 'Photochromic products and method for their preparation' [patent_app_type] => 1 [patent_app_number] => 8/253055 [patent_app_country] => US [patent_app_date] => 1994-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5414 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 25 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/543/05543533.pdf [firstpage_image] =>[orig_patent_app_number] => 253055 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/253055
Photochromic products and method for their preparation Jun 1, 1994 Issued
Array ( [id] => 3554954 [patent_doc_number] => 05493033 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-02-20 [patent_title] => 'Process for purifying tetrachlorophthalic anhydride' [patent_app_type] => 1 [patent_app_number] => 8/252459 [patent_app_country] => US [patent_app_date] => 1994-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4137 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/493/05493033.pdf [firstpage_image] =>[orig_patent_app_number] => 252459 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/252459
Process for purifying tetrachlorophthalic anhydride May 31, 1994 Issued
08/252519 HERBICIDAL 3-(BICYCLIC NITROGEN-CONTAINING HETEROCYCLE)-SUBSTITUTED-1- METHYL-6-TRIFLUOROMETHYLURACILS) May 31, 1994 Abandoned
Array ( [id] => 3497027 [patent_doc_number] => 05508442 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-04-16 [patent_title] => 'Reactor and continuous process to be carried out therewith for the preparation of ethylene glycol carbonate and propylene glycol carbonate' [patent_app_type] => 1 [patent_app_number] => 8/251229 [patent_app_country] => US [patent_app_date] => 1994-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4491 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/508/05508442.pdf [firstpage_image] =>[orig_patent_app_number] => 251229 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/251229
Reactor and continuous process to be carried out therewith for the preparation of ethylene glycol carbonate and propylene glycol carbonate May 30, 1994 Issued
Array ( [id] => 3118130 [patent_doc_number] => 05449791 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-09-12 [patent_title] => 'Process for the preparation of propylene glycol carbonate' [patent_app_type] => 1 [patent_app_number] => 8/251456 [patent_app_country] => US [patent_app_date] => 1994-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3909 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/449/05449791.pdf [firstpage_image] =>[orig_patent_app_number] => 251456 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/251456
Process for the preparation of propylene glycol carbonate May 30, 1994 Issued
Array ( [id] => 3555516 [patent_doc_number] => 05574172 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-11-12 [patent_title] => 'Process for producing halogenated phthalic anhydride' [patent_app_type] => 1 [patent_app_number] => 8/250787 [patent_app_country] => US [patent_app_date] => 1994-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5474 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 13 [patent_words_short_claim] => 25 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/574/05574172.pdf [firstpage_image] =>[orig_patent_app_number] => 250787 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/250787
Process for producing halogenated phthalic anhydride May 25, 1994 Issued
08/248182 CYCLOPROPANE DERIVATIVE May 23, 1994 Abandoned
Array ( [id] => 3447552 [patent_doc_number] => 05420278 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-05-30 [patent_title] => '.omega.-(4-aryl or heteroarylpiperazine-1-yl)-2-aryl or aralkyl-propanoic or butanoic acids' [patent_app_type] => 1 [patent_app_number] => 8/248124 [patent_app_country] => US [patent_app_date] => 1994-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9991 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/420/05420278.pdf [firstpage_image] =>[orig_patent_app_number] => 248124 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/248124
.omega.-(4-aryl or heteroarylpiperazine-1-yl)-2-aryl or aralkyl-propanoic or butanoic acids May 23, 1994 Issued
Array ( [id] => 3413828 [patent_doc_number] => 05412095 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-05-02 [patent_title] => 'Terazosin monohydrochloride and processes and intermediate for its production' [patent_app_type] => 1 [patent_app_number] => 8/246526 [patent_app_country] => US [patent_app_date] => 1994-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 4356 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/412/05412095.pdf [firstpage_image] =>[orig_patent_app_number] => 246526 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/246526
Terazosin monohydrochloride and processes and intermediate for its production May 19, 1994 Issued
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