Search

Calvin K. Cheung

Examiner (ID: 9209, Phone: (571)270-7041 , Office: P/3668 )

Most Active Art Unit
3668
Art Unit(s)
3668, 3621, 3669, 3662, 3666
Total Applications
1158
Issued Applications
989
Pending Applications
66
Abandoned Applications
125

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2446030 [patent_doc_number] => 04751332 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-06-14 [patent_title] => 'Process for the production of trihydroxy-and/or alkoxy-hydroxybenzenes' [patent_app_type] => 1 [patent_app_number] => 7/095706 [patent_app_country] => US [patent_app_date] => 1987-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1953 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/751/04751332.pdf [firstpage_image] =>[orig_patent_app_number] => 095706 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/095706
Process for the production of trihydroxy-and/or alkoxy-hydroxybenzenes Sep 13, 1987 Issued
Array ( [id] => 2494347 [patent_doc_number] => 04825003 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-04-25 [patent_title] => 'Production process of 2-chloropropionaldehyde' [patent_app_type] => 1 [patent_app_number] => 7/095218 [patent_app_country] => US [patent_app_date] => 1987-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6911 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/825/04825003.pdf [firstpage_image] =>[orig_patent_app_number] => 095218 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/095218
Production process of 2-chloropropionaldehyde Sep 10, 1987 Issued
Array ( [id] => 2386264 [patent_doc_number] => 04783557 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-11-08 [patent_title] => 'Processes for preparing hydroxynaphthalenes' [patent_app_type] => 1 [patent_app_number] => 7/094883 [patent_app_country] => US [patent_app_date] => 1987-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8183 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/783/04783557.pdf [firstpage_image] =>[orig_patent_app_number] => 094883 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/094883
Processes for preparing hydroxynaphthalenes Sep 9, 1987 Issued
Array ( [id] => 2563236 [patent_doc_number] => 04837366 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-06-06 [patent_title] => 'Preparation of polyfluoroaldehydes and polyfluoroacetals' [patent_app_type] => 1 [patent_app_number] => 7/092680 [patent_app_country] => US [patent_app_date] => 1987-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3015 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/837/04837366.pdf [firstpage_image] =>[orig_patent_app_number] => 092680 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/092680
Preparation of polyfluoroaldehydes and polyfluoroacetals Sep 2, 1987 Issued
Array ( [id] => 2555458 [patent_doc_number] => 04814520 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-03-21 [patent_title] => 'Process for producing 2,2-bis(4\'hydroxyphenyl) propanes' [patent_app_type] => 1 [patent_app_number] => 7/091794 [patent_app_country] => US [patent_app_date] => 1987-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2763 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/814/04814520.pdf [firstpage_image] =>[orig_patent_app_number] => 091794 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/091794
Process for producing 2,2-bis(4'hydroxyphenyl) propanes Aug 31, 1987 Issued
Array ( [id] => 2490340 [patent_doc_number] => 04868340 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-09-19 [patent_title] => 'Process for the preparation of cycloaliphatic aldehydes' [patent_app_type] => 1 [patent_app_number] => 7/091639 [patent_app_country] => US [patent_app_date] => 1987-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2561 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/868/04868340.pdf [firstpage_image] =>[orig_patent_app_number] => 091639 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/091639
Process for the preparation of cycloaliphatic aldehydes Aug 31, 1987 Issued
Array ( [id] => 2591995 [patent_doc_number] => 04970334 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-11-13 [patent_title] => 'Process for preparing esters of unsaturated alcohols' [patent_app_type] => 1 [patent_app_number] => 7/091196 [patent_app_country] => US [patent_app_date] => 1987-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5529 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/970/04970334.pdf [firstpage_image] =>[orig_patent_app_number] => 091196 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/091196
Process for preparing esters of unsaturated alcohols Aug 30, 1987 Issued
Array ( [id] => 2555477 [patent_doc_number] => 04814521 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-03-21 [patent_title] => 'Process for producing 2,6-dihydroxynaphthalene and 2,6-diacetoxynaphthalene' [patent_app_type] => 1 [patent_app_number] => 7/089661 [patent_app_country] => US [patent_app_date] => 1987-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5891 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/814/04814521.pdf [firstpage_image] =>[orig_patent_app_number] => 089661 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/089661
Process for producing 2,6-dihydroxynaphthalene and 2,6-diacetoxynaphthalene Aug 25, 1987 Issued
Array ( [id] => 2413844 [patent_doc_number] => 04742044 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-05-03 [patent_title] => 'Aralkoxy, alkoxy, alkadienyloxy and alkenyloxy-1,3,2-dioxaborinane derivatives and uses thereof in augmenting or enhancing the aroma of perfume compositions, perfumed articles and perfumed polymers' [patent_app_type] => 1 [patent_app_number] => 7/086812 [patent_app_country] => US [patent_app_date] => 1987-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 22 [patent_no_of_words] => 8478 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/742/04742044.pdf [firstpage_image] =>[orig_patent_app_number] => 086812 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/086812
Aralkoxy, alkoxy, alkadienyloxy and alkenyloxy-1,3,2-dioxaborinane derivatives and uses thereof in augmenting or enhancing the aroma of perfume compositions, perfumed articles and perfumed polymers Aug 18, 1987 Issued
Array ( [id] => 2446691 [patent_doc_number] => 04745234 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-05-17 [patent_title] => 'Process for the preparation of .alpha.-.beta. unsaturated alcohols' [patent_app_type] => 1 [patent_app_number] => 7/086788 [patent_app_country] => US [patent_app_date] => 1987-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1622 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/745/04745234.pdf [firstpage_image] =>[orig_patent_app_number] => 086788 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/086788
Process for the preparation of .alpha.-.beta. unsaturated alcohols Aug 18, 1987 Issued
Array ( [id] => 2555421 [patent_doc_number] => 04814518 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-03-21 [patent_title] => 'Process for extracting nitrohydroxyaromatics from aqueous solutions' [patent_app_type] => 1 [patent_app_number] => 7/084483 [patent_app_country] => US [patent_app_date] => 1987-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3144 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/814/04814518.pdf [firstpage_image] =>[orig_patent_app_number] => 084483 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/084483
Process for extracting nitrohydroxyaromatics from aqueous solutions Aug 11, 1987 Issued
Array ( [id] => 2423800 [patent_doc_number] => 04788348 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-11-29 [patent_title] => 'Insecticidal alkenes' [patent_app_type] => 1 [patent_app_number] => 7/084199 [patent_app_country] => US [patent_app_date] => 1987-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9594 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/788/04788348.pdf [firstpage_image] =>[orig_patent_app_number] => 084199 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/084199
Insecticidal alkenes Aug 11, 1987 Issued
Array ( [id] => 2455737 [patent_doc_number] => 04766251 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-08-23 [patent_title] => 'Process for the preparation of ethynylbenzaldehydes' [patent_app_type] => 1 [patent_app_number] => 7/084261 [patent_app_country] => US [patent_app_date] => 1987-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5554 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/766/04766251.pdf [firstpage_image] =>[orig_patent_app_number] => 084261 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/084261
Process for the preparation of ethynylbenzaldehydes Aug 10, 1987 Issued
Array ( [id] => 2444444 [patent_doc_number] => 04757051 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-07-12 [patent_title] => '2-tert-butyl-4-methylcyclohexanol derivatives, their preparation and their use as scents' [patent_app_type] => 1 [patent_app_number] => 7/084163 [patent_app_country] => US [patent_app_date] => 1987-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2366 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 8 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/757/04757051.pdf [firstpage_image] =>[orig_patent_app_number] => 084163 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/084163
2-tert-butyl-4-methylcyclohexanol derivatives, their preparation and their use as scents Aug 10, 1987 Issued
07/083330 LOW PRESSURE RHODIUM CATALYZED HYDROFORMYLATION OF OLEFINS Aug 9, 1987 Abandoned
Array ( [id] => 2449391 [patent_doc_number] => 04755626 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-07-05 [patent_title] => '4-isopropyl-7-methylene-5-cyclodecen-1-ol' [patent_app_type] => 1 [patent_app_number] => 7/093547 [patent_app_country] => US [patent_app_date] => 1987-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11250 [patent_no_of_claims] => 2 [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/04/755/04755626.pdf [firstpage_image] =>[orig_patent_app_number] => 093547 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/093547
4-isopropyl-7-methylene-5-cyclodecen-1-ol Aug 6, 1987 Issued
Array ( [id] => 2490961 [patent_doc_number] => 04801759 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-01-31 [patent_title] => 'Process for producing vicinal diols' [patent_app_type] => 1 [patent_app_number] => 7/082569 [patent_app_country] => US [patent_app_date] => 1987-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1857 [patent_no_of_claims] => 12 [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/04/801/04801759.pdf [firstpage_image] =>[orig_patent_app_number] => 082569 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/082569
Process for producing vicinal diols Aug 6, 1987 Issued
07/083006 PROCESS FOR PREPARATION OF HALOGENATED BENZENE DERIVATIVES Aug 5, 1987 Abandoned
Array ( [id] => 2443770 [patent_doc_number] => 04751214 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-06-14 [patent_title] => 'Use of 2-tert-butyl-4-methylcyclohexanol as a scent and as a component of scent compositions' [patent_app_type] => 1 [patent_app_number] => 7/082210 [patent_app_country] => US [patent_app_date] => 1987-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1350 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 14 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/751/04751214.pdf [firstpage_image] =>[orig_patent_app_number] => 082210 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/082210
Use of 2-tert-butyl-4-methylcyclohexanol as a scent and as a component of scent compositions Aug 5, 1987 Issued
Array ( [id] => 2484010 [patent_doc_number] => 04822929 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-04-18 [patent_title] => 'Process for the catalytic trans-halogenation of a polyiodo-benzene, and, in particular, of a di-iodo-benzene' [patent_app_type] => 1 [patent_app_number] => 7/081993 [patent_app_country] => US [patent_app_date] => 1987-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1917 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/822/04822929.pdf [firstpage_image] =>[orig_patent_app_number] => 081993 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/081993
Process for the catalytic trans-halogenation of a polyiodo-benzene, and, in particular, of a di-iodo-benzene Aug 4, 1987 Issued
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