Search

Philip H. Leung

Examiner (ID: 4097)

Most Active Art Unit
3742
Art Unit(s)
2401, 2104, 2106, 2899, 3742, 2103, 3502, 2402
Total Applications
3343
Issued Applications
2900
Pending Applications
105
Abandoned Applications
338

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 3589895 [patent_doc_number] => 05550249 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-08-27 [patent_title] => 'Water soluble derivatives of biotin and related therapeutical compositions' [patent_app_type] => 1 [patent_app_number] => 8/200545 [patent_app_country] => US [patent_app_date] => 1994-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2367 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/550/05550249.pdf [firstpage_image] =>[orig_patent_app_number] => 200545 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/200545
Water soluble derivatives of biotin and related therapeutical compositions Feb 21, 1994 Issued
08/200057 NOVEL INDOLE DERIVATIVE USEFUL TO TREAT ESTROGEN-RELATED NEOPLASMS AND DISORDERS Feb 21, 1994 Abandoned
Array ( [id] => 3477713 [patent_doc_number] => 05428175 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-06-27 [patent_title] => 'Physiologically active compound' [patent_app_type] => 1 [patent_app_number] => 8/198463 [patent_app_country] => US [patent_app_date] => 1994-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2536 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/428/05428175.pdf [firstpage_image] =>[orig_patent_app_number] => 198463 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/198463
Physiologically active compound Feb 17, 1994 Issued
Array ( [id] => 3447608 [patent_doc_number] => 05420282 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-05-30 [patent_title] => 'Thiopyrano(2,3,4-c,d) indolyloxime ether alkylcarboxylates' [patent_app_type] => 1 [patent_app_number] => 8/197422 [patent_app_country] => US [patent_app_date] => 1994-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8833 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 261 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/420/05420282.pdf [firstpage_image] =>[orig_patent_app_number] => 197422 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/197422
Thiopyrano(2,3,4-c,d) indolyloxime ether alkylcarboxylates Feb 14, 1994 Issued
Array ( [id] => 3430367 [patent_doc_number] => 05463078 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-10-31 [patent_title] => 'Anisomycin derivatives and anticancer agents, antifungal agents and antiprotozoan agents containing the same' [patent_app_type] => 1 [patent_app_number] => 8/196508 [patent_app_country] => US [patent_app_date] => 1994-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8129 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 7 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/463/05463078.pdf [firstpage_image] =>[orig_patent_app_number] => 196508 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/196508
Anisomycin derivatives and anticancer agents, antifungal agents and antiprotozoan agents containing the same Feb 14, 1994 Issued
Array ( [id] => 3113756 [patent_doc_number] => 05409886 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-04-25 [patent_title] => '3-pyrroline-2-one derivatives and herbicidal compositions containing same' [patent_app_type] => 1 [patent_app_number] => 8/195200 [patent_app_country] => US [patent_app_date] => 1994-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12353 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/409/05409886.pdf [firstpage_image] =>[orig_patent_app_number] => 195200 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/195200
3-pyrroline-2-one derivatives and herbicidal compositions containing same Feb 13, 1994 Issued
Array ( [id] => 3614077 [patent_doc_number] => 05534538 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-07-09 [patent_title] => 'N-acyl dipeptides and their compositions' [patent_app_type] => 1 [patent_app_number] => 8/194568 [patent_app_country] => US [patent_app_date] => 1994-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 5058 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/534/05534538.pdf [firstpage_image] =>[orig_patent_app_number] => 194568 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/194568
N-acyl dipeptides and their compositions Feb 9, 1994 Issued
Array ( [id] => 3412259 [patent_doc_number] => 05438151 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-08-01 [patent_title] => 'Process for the preparation of ergothioneine' [patent_app_type] => 1 [patent_app_number] => 8/194457 [patent_app_country] => US [patent_app_date] => 1994-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4885 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/438/05438151.pdf [firstpage_image] =>[orig_patent_app_number] => 194457 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/194457
Process for the preparation of ergothioneine Feb 7, 1994 Issued
Array ( [id] => 3583247 [patent_doc_number] => 05498728 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-03-12 [patent_title] => 'Derivatives of L-tryptophanal and their use as medicinals' [patent_app_type] => 1 [patent_app_number] => 8/192038 [patent_app_country] => US [patent_app_date] => 1994-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 21737 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/498/05498728.pdf [firstpage_image] =>[orig_patent_app_number] => 192038 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/192038
Derivatives of L-tryptophanal and their use as medicinals Feb 3, 1994 Issued
Array ( [id] => 3420055 [patent_doc_number] => 05434273 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-07-18 [patent_title] => 'Preparation of N-substituted 2-pyrrolidones' [patent_app_type] => 1 [patent_app_number] => 8/191649 [patent_app_country] => US [patent_app_date] => 1994-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1698 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/434/05434273.pdf [firstpage_image] =>[orig_patent_app_number] => 191649 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/191649
Preparation of N-substituted 2-pyrrolidones Feb 3, 1994 Issued
Array ( [id] => 3117363 [patent_doc_number] => 05410070 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-04-25 [patent_title] => 'Preparation of N-alkenylpyrrolidones' [patent_app_type] => 1 [patent_app_number] => 8/188206 [patent_app_country] => US [patent_app_date] => 1994-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1815 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/410/05410070.pdf [firstpage_image] =>[orig_patent_app_number] => 188206 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/188206
Preparation of N-alkenylpyrrolidones Jan 26, 1994 Issued
Array ( [id] => 3072225 [patent_doc_number] => 05360814 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-11-01 [patent_title] => 'NMDA antagonists' [patent_app_type] => 1 [patent_app_number] => 8/187353 [patent_app_country] => US [patent_app_date] => 1994-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9957 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/360/05360814.pdf [firstpage_image] =>[orig_patent_app_number] => 187353 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/187353
NMDA antagonists Jan 24, 1994 Issued
Array ( [id] => 3481054 [patent_doc_number] => 05399699 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-03-21 [patent_title] => 'Indole iminooxy derivatives which inhibit leukotriene biosynthesis' [patent_app_type] => 1 [patent_app_number] => 8/186410 [patent_app_country] => US [patent_app_date] => 1994-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9644 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/399/05399699.pdf [firstpage_image] =>[orig_patent_app_number] => 186410 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/186410
Indole iminooxy derivatives which inhibit leukotriene biosynthesis Jan 23, 1994 Issued
Array ( [id] => 3552437 [patent_doc_number] => 05571925 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-11-05 [patent_title] => 'Angiotensin II antagonists' [patent_app_type] => 1 [patent_app_number] => 8/183685 [patent_app_country] => US [patent_app_date] => 1994-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15799 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/571/05571925.pdf [firstpage_image] =>[orig_patent_app_number] => 183685 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/183685
Angiotensin II antagonists Jan 18, 1994 Issued
Array ( [id] => 3447758 [patent_doc_number] => 05420293 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-05-30 [patent_title] => 'N-substituted .alpha.-fluoroalkyl-lactams' [patent_app_type] => 1 [patent_app_number] => 8/179803 [patent_app_country] => US [patent_app_date] => 1994-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6827 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 317 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/420/05420293.pdf [firstpage_image] =>[orig_patent_app_number] => 179803 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/179803
N-substituted .alpha.-fluoroalkyl-lactams Jan 10, 1994 Issued
Array ( [id] => 3455281 [patent_doc_number] => 05451682 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-09-19 [patent_title] => 'Method for synthesizing 5-aminotetrazole' [patent_app_type] => 1 [patent_app_number] => 8/179559 [patent_app_country] => US [patent_app_date] => 1994-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2189 [patent_no_of_claims] => 46 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/451/05451682.pdf [firstpage_image] =>[orig_patent_app_number] => 179559 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/179559
Method for synthesizing 5-aminotetrazole Jan 9, 1994 Issued
Array ( [id] => 3506009 [patent_doc_number] => RE035281 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-06-18 [patent_title] => 'Tetrazole derivatives and aldose reductase inhibition therewith' [patent_app_type] => 2 [patent_app_number] => 8/178666 [patent_app_country] => US [patent_app_date] => 1994-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12189 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/RE/035/RE035281.pdf [firstpage_image] =>[orig_patent_app_number] => 178666 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/178666
Tetrazole derivatives and aldose reductase inhibition therewith Jan 6, 1994 Issued
Array ( [id] => 3496903 [patent_doc_number] => 05508435 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-04-16 [patent_title] => 'Asymmetric hydrogenation of beta- or gamma-ketoesters and beta- or gamma-ketoamides' [patent_app_type] => 1 [patent_app_number] => 8/177481 [patent_app_country] => US [patent_app_date] => 1994-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 4940 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/508/05508435.pdf [firstpage_image] =>[orig_patent_app_number] => 177481 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/177481
Asymmetric hydrogenation of beta- or gamma-ketoesters and beta- or gamma-ketoamides Jan 4, 1994 Issued
Array ( [id] => 3463903 [patent_doc_number] => 05468866 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-11-21 [patent_title] => 'Methods for synthesizing and processing bis-(1(2)H-tetrazol-5-yl)-amine' [patent_app_type] => 1 [patent_app_number] => 8/177737 [patent_app_country] => US [patent_app_date] => 1994-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6385 [patent_no_of_claims] => 43 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/468/05468866.pdf [firstpage_image] =>[orig_patent_app_number] => 177737 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/177737
Methods for synthesizing and processing bis-(1(2)H-tetrazol-5-yl)-amine Jan 3, 1994 Issued
Array ( [id] => 3418469 [patent_doc_number] => 05453515 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-09-26 [patent_title] => 'Benzophenone iminodiimides and heat-stable polymers derived therefrom' [patent_app_type] => 1 [patent_app_number] => 8/173476 [patent_app_country] => US [patent_app_date] => 1993-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3854 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/453/05453515.pdf [firstpage_image] =>[orig_patent_app_number] => 173476 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/173476
Benzophenone iminodiimides and heat-stable polymers derived therefrom Dec 26, 1993 Issued
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