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] => 3582703 [patent_doc_number] => 05580886 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-12-03 [patent_title] => 'Cis-2-[(4-heteroaryl-1 -piperidinyl)alkyl]hexahydro-1H-isoindole-1,3(2H)-diones and related compounds and their therapeutic utility' [patent_app_type] => 1 [patent_app_number] => 8/469884 [patent_app_country] => US [patent_app_date] => 1995-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 86396 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 521 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/580/05580886.pdf [firstpage_image] =>[orig_patent_app_number] => 469884 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/469884
Cis-2-[(4-heteroaryl-1 -piperidinyl)alkyl]hexahydro-1H-isoindole-1,3(2H)-diones and related compounds and their therapeutic utility Jun 5, 1995 Issued
Array ( [id] => 3622573 [patent_doc_number] => 05593995 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-01-14 [patent_title] => '2-[(4-heteroaryl-1-piperazinyl)alkyl]-1,3-indandiones and related compounds and their therapeutic utility' [patent_app_type] => 1 [patent_app_number] => 8/471514 [patent_app_country] => US [patent_app_date] => 1995-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 86247 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 638 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/593/05593995.pdf [firstpage_image] =>[orig_patent_app_number] => 471514 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/471514
2-[(4-heteroaryl-1-piperazinyl)alkyl]-1,3-indandiones and related compounds and their therapeutic utility Jun 5, 1995 Issued
Array ( [id] => 3553371 [patent_doc_number] => 05574032 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-11-12 [patent_title] => 'N-[(4-(he teroaryl)-1-piperazinyl)alkyl]-10,11-dihydro-5H-dibenz[BFS]azepines and related compounds and their therapeutic utility' [patent_app_type] => 1 [patent_app_number] => 8/466765 [patent_app_country] => US [patent_app_date] => 1995-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 86364 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 563 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/574/05574032.pdf [firstpage_image] =>[orig_patent_app_number] => 466765 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/466765
N-[(4-(he teroaryl)-1-piperazinyl)alkyl]-10,11-dihydro-5H-dibenz[BFS]azepines and related compounds and their therapeutic utility Jun 5, 1995 Issued
Array ( [id] => 3624285 [patent_doc_number] => 05612343 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-03-18 [patent_title] => 'N-[(4-heteroaryl-1-piperazinyl)alkyl]-2,3-naphthalimides and related compounds and their therapeutic utility' [patent_app_type] => 1 [patent_app_number] => 8/467912 [patent_app_country] => US [patent_app_date] => 1995-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 86376 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 599 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/612/05612343.pdf [firstpage_image] =>[orig_patent_app_number] => 467912 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/467912
N-[(4-heteroaryl-1-piperazinyl)alkyl]-2,3-naphthalimides and related compounds and their therapeutic utility Jun 5, 1995 Issued
Array ( [id] => 3582830 [patent_doc_number] => 05580890 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-12-03 [patent_title] => 'Heteroarylpyrrolidines and their use as antipsychotics and analgesics' [patent_app_type] => 1 [patent_app_number] => 8/467794 [patent_app_country] => US [patent_app_date] => 1995-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 86518 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 481 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/580/05580890.pdf [firstpage_image] =>[orig_patent_app_number] => 467794 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/467794
Heteroarylpyrrolidines and their use as antipsychotics and analgesics Jun 5, 1995 Issued
Array ( [id] => 3510547 [patent_doc_number] => 05563144 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-10-08 [patent_title] => 'Antiserotonins, their preparation and pharmaceutical compositions containing them' [patent_app_type] => 1 [patent_app_number] => 8/470726 [patent_app_country] => US [patent_app_date] => 1995-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7925 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/563/05563144.pdf [firstpage_image] =>[orig_patent_app_number] => 470726 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/470726
Antiserotonins, their preparation and pharmaceutical compositions containing them Jun 5, 1995 Issued
Array ( [id] => 3662028 [patent_doc_number] => 05624927 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-04-29 [patent_title] => 'N-[4-(heteroaryl)-1-piperazinyl)alkyl]-1,2,3,4-tetrahydroisoquinolines and n-[4(heteroaryl)-1-piperazinyl)alkyl]-1,2,3,4-tetrahydroisoquinolines, related compounds and their therapeutic utility' [patent_app_type] => 1 [patent_app_number] => 8/466773 [patent_app_country] => US [patent_app_date] => 1995-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 86359 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 745 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/624/05624927.pdf [firstpage_image] =>[orig_patent_app_number] => 466773 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/466773
N-[4-(heteroaryl)-1-piperazinyl)alkyl]-1,2,3,4-tetrahydroisoquinolines and n-[4(heteroaryl)-1-piperazinyl)alkyl]-1,2,3,4-tetrahydroisoquinolines, related compounds and their therapeutic utility Jun 5, 1995 Issued
Array ( [id] => 3603256 [patent_doc_number] => 05578624 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-11-26 [patent_title] => 'Heteroarylpyrrolidines and their use as antipsychotics and analgesics' [patent_app_type] => 1 [patent_app_number] => 8/468076 [patent_app_country] => US [patent_app_date] => 1995-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 86377 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 488 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/578/05578624.pdf [firstpage_image] =>[orig_patent_app_number] => 468076 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/468076
Heteroarylpyrrolidines and their use as antipsychotics and analgesics Jun 5, 1995 Issued
Array ( [id] => 3582737 [patent_doc_number] => 05580887 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-12-03 [patent_title] => '1- (arylthioalkyl , arylaminoalkyl or arylmethylenealkyl) -4- (heteroaryl) piperidines and related compounds useful as anti-psychotics and analgesics' [patent_app_type] => 1 [patent_app_number] => 8/471753 [patent_app_country] => US [patent_app_date] => 1995-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 86517 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 514 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/580/05580887.pdf [firstpage_image] =>[orig_patent_app_number] => 471753 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/471753
1- (arylthioalkyl , arylaminoalkyl or arylmethylenealkyl) -4- (heteroaryl) piperidines and related compounds useful as anti-psychotics and analgesics Jun 5, 1995 Issued
Array ( [id] => 3666833 [patent_doc_number] => 05599821 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-02-04 [patent_title] => '4-heteroaryl-1-piperidinealkylamines and derivatives thereof and their therapeutic utility' [patent_app_type] => 1 [patent_app_number] => 8/469357 [patent_app_country] => US [patent_app_date] => 1995-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 86388 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 25 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/599/05599821.pdf [firstpage_image] =>[orig_patent_app_number] => 469357 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/469357
4-heteroaryl-1-piperidinealkylamines and derivatives thereof and their therapeutic utility Jun 5, 1995 Issued
Array ( [id] => 3582595 [patent_doc_number] => 05580879 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-12-03 [patent_title] => 'N-[(4-heteroaryl-1-pyrrolidinyl)alkyl]-1H-benz[DE]isoquinoline-1;3(2H)-di ones and related compounds and their therapeutic utility' [patent_app_type] => 1 [patent_app_number] => 8/467796 [patent_app_country] => US [patent_app_date] => 1995-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 86521 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 595 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/580/05580879.pdf [firstpage_image] =>[orig_patent_app_number] => 467796 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/467796
N-[(4-heteroaryl-1-pyrrolidinyl)alkyl]-1H-benz[DE]isoquinoline-1;3(2H)-di ones and related compounds and their therapeutic utility Jun 5, 1995 Issued
Array ( [id] => 3550702 [patent_doc_number] => 05571814 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-11-05 [patent_title] => 'N-[(4-heteroaryl-1-pyrrolidinyl)alkyl]phthalimides and related compounds and their therapeutic utility' [patent_app_type] => 1 [patent_app_number] => 8/471574 [patent_app_country] => US [patent_app_date] => 1995-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 86535 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 730 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/571/05571814.pdf [firstpage_image] =>[orig_patent_app_number] => 471574 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/471574
N-[(4-heteroaryl-1-pyrrolidinyl)alkyl]phthalimides and related compounds and their therapeutic utility Jun 5, 1995 Issued
Array ( [id] => 3609185 [patent_doc_number] => 05589488 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-12-31 [patent_title] => 'N-[(4-heteroaryl-1-piperidinyl)alkyl]-2-benzoxazolinones and related compounds and their therapeutic utility' [patent_app_type] => 1 [patent_app_number] => 8/468074 [patent_app_country] => US [patent_app_date] => 1995-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 86520 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 551 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/589/05589488.pdf [firstpage_image] =>[orig_patent_app_number] => 468074 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/468074
N-[(4-heteroaryl-1-piperidinyl)alkyl]-2-benzoxazolinones and related compounds and their therapeutic utility Jun 5, 1995 Issued
Array ( [id] => 3657190 [patent_doc_number] => 05622950 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-04-22 [patent_title] => 'Pyrrolo-pyridine derivatives' [patent_app_type] => 1 [patent_app_number] => 8/459993 [patent_app_country] => US [patent_app_date] => 1995-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20154 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/622/05622950.pdf [firstpage_image] =>[orig_patent_app_number] => 459993 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/459993
Pyrrolo-pyridine derivatives Jun 1, 1995 Issued
Array ( [id] => 3592465 [patent_doc_number] => 05521186 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-05-28 [patent_title] => 'Apolipoprotein-.beta. synthesis inhibitors' [patent_app_type] => 1 [patent_app_number] => 8/455304 [patent_app_country] => US [patent_app_date] => 1995-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8747 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 456 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/521/05521186.pdf [firstpage_image] =>[orig_patent_app_number] => 455304 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/455304
Apolipoprotein-.beta. synthesis inhibitors May 30, 1995 Issued
Array ( [id] => 3506729 [patent_doc_number] => 05569659 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-10-29 [patent_title] => '4-arylpiperazines and 4-arylpiperidines' [patent_app_type] => 1 [patent_app_number] => 8/442600 [patent_app_country] => US [patent_app_date] => 1995-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15800 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 399 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/569/05569659.pdf [firstpage_image] =>[orig_patent_app_number] => 442600 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/442600
4-arylpiperazines and 4-arylpiperidines May 16, 1995 Issued
Array ( [id] => 3524888 [patent_doc_number] => 05527786 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-06-18 [patent_title] => 'Phosphonic diester derivatives' [patent_app_type] => 1 [patent_app_number] => 8/424345 [patent_app_country] => US [patent_app_date] => 1995-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7109 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/527/05527786.pdf [firstpage_image] =>[orig_patent_app_number] => 424345 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/424345
Phosphonic diester derivatives Apr 18, 1995 Issued
Array ( [id] => 3517519 [patent_doc_number] => 05486518 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-01-23 [patent_title] => '4-indolylpiperazinyl derivatives' [patent_app_type] => 1 [patent_app_number] => 8/419342 [patent_app_country] => US [patent_app_date] => 1995-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3129 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/486/05486518.pdf [firstpage_image] =>[orig_patent_app_number] => 419342 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/419342
4-indolylpiperazinyl derivatives Apr 9, 1995 Issued
Array ( [id] => 3554077 [patent_doc_number] => 05519025 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-05-21 [patent_title] => '4-indolylpiperazinyl derivatives' [patent_app_type] => 1 [patent_app_number] => 8/419333 [patent_app_country] => US [patent_app_date] => 1995-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2554 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/519/05519025.pdf [firstpage_image] =>[orig_patent_app_number] => 419333 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/419333
4-indolylpiperazinyl derivatives Apr 9, 1995 Issued
Array ( [id] => 3614466 [patent_doc_number] => 05565568 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-10-15 [patent_title] => '2-acylaminopropanamides as tachykinin receptor antagonists' [patent_app_type] => 1 [patent_app_number] => 8/418994 [patent_app_country] => US [patent_app_date] => 1995-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20744 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/565/05565568.pdf [firstpage_image] =>[orig_patent_app_number] => 418994 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/418994
2-acylaminopropanamides as tachykinin receptor antagonists Apr 5, 1995 Issued
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