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] => 2386284 [patent_doc_number] => 04783558 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-11-08 [patent_title] => 'Flavoring and perfume compositions, flavored foodstuffs and luxury consumables and perfumed products which contain one or more spathulenols as the base material, a spathulenol derivative and a process for the preparation of spathulenols' [patent_app_type] => 1 [patent_app_number] => 7/036968 [patent_app_country] => US [patent_app_date] => 1987-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2849 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 8 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/783/04783558.pdf [firstpage_image] =>[orig_patent_app_number] => 036968 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/036968
Flavoring and perfume compositions, flavored foodstuffs and luxury consumables and perfumed products which contain one or more spathulenols as the base material, a spathulenol derivative and a process for the preparation of spathulenols Apr 9, 1987 Issued
Array ( [id] => 2391431 [patent_doc_number] => 04754080 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-06-28 [patent_title] => 'Chemical composition and use thereof' [patent_app_type] => 1 [patent_app_number] => 7/034747 [patent_app_country] => US [patent_app_date] => 1987-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1434 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/754/04754080.pdf [firstpage_image] =>[orig_patent_app_number] => 034747 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/034747
Chemical composition and use thereof Apr 5, 1987 Issued
Array ( [id] => 2670176 [patent_doc_number] => 04935549 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-06-19 [patent_title] => 'Process for producing acetic acid' [patent_app_type] => 1 [patent_app_number] => 7/035209 [patent_app_country] => US [patent_app_date] => 1987-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 6372 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 247 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/935/04935549.pdf [firstpage_image] =>[orig_patent_app_number] => 035209 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/035209
Process for producing acetic acid Apr 5, 1987 Issued
Array ( [id] => 2513942 [patent_doc_number] => 04831265 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-05-16 [patent_title] => 'Method of producing quinone derivatives' [patent_app_type] => 1 [patent_app_number] => 7/033864 [patent_app_country] => US [patent_app_date] => 1987-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2983 [patent_no_of_claims] => 3 [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/04/831/04831265.pdf [firstpage_image] =>[orig_patent_app_number] => 033864 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/033864
Method of producing quinone derivatives Apr 2, 1987 Issued
Array ( [id] => 2478149 [patent_doc_number] => 04812596 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-03-14 [patent_title] => 'Process for the conversion of t-alkylphenol waste distillation bottoms to para-t-alkylphenol' [patent_app_type] => 1 [patent_app_number] => 7/032890 [patent_app_country] => US [patent_app_date] => 1987-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4097 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/812/04812596.pdf [firstpage_image] =>[orig_patent_app_number] => 032890 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/032890
Process for the conversion of t-alkylphenol waste distillation bottoms to para-t-alkylphenol Mar 30, 1987 Issued
Array ( [id] => 2555575 [patent_doc_number] => 04814525 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-03-21 [patent_title] => 'Vapor phase bromination of aromatic compounds' [patent_app_type] => 1 [patent_app_number] => 7/029951 [patent_app_country] => US [patent_app_date] => 1987-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2586 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/814/04814525.pdf [firstpage_image] =>[orig_patent_app_number] => 029951 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/029951
Vapor phase bromination of aromatic compounds Mar 24, 1987 Issued
Array ( [id] => 2386302 [patent_doc_number] => 04783559 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-11-08 [patent_title] => 'Process of reduction of aldehydes and ketones' [patent_app_type] => 1 [patent_app_number] => 7/030155 [patent_app_country] => US [patent_app_date] => 1987-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3768 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/783/04783559.pdf [firstpage_image] =>[orig_patent_app_number] => 030155 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/030155
Process of reduction of aldehydes and ketones Mar 24, 1987 Issued
Array ( [id] => 2445863 [patent_doc_number] => 04778940 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-10-18 [patent_title] => 'Process for preparing iodinated substituted aromatic compounds' [patent_app_type] => 1 [patent_app_number] => 7/029897 [patent_app_country] => US [patent_app_date] => 1987-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3184 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/778/04778940.pdf [firstpage_image] =>[orig_patent_app_number] => 029897 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/029897
Process for preparing iodinated substituted aromatic compounds Mar 24, 1987 Issued
Array ( [id] => 2445845 [patent_doc_number] => 04778939 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-10-18 [patent_title] => 'Low temperature oxyiodination of aromatic compounds' [patent_app_type] => 1 [patent_app_number] => 7/029896 [patent_app_country] => US [patent_app_date] => 1987-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3577 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/778/04778939.pdf [firstpage_image] =>[orig_patent_app_number] => 029896 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/029896
Low temperature oxyiodination of aromatic compounds Mar 24, 1987 Issued
Array ( [id] => 2552887 [patent_doc_number] => 04806698 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-02-21 [patent_title] => 'Liquid phase isomerization of iodoaromatic compounds' [patent_app_type] => 1 [patent_app_number] => 7/029956 [patent_app_country] => US [patent_app_date] => 1987-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3018 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/806/04806698.pdf [firstpage_image] =>[orig_patent_app_number] => 029956 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/029956
Liquid phase isomerization of iodoaromatic compounds Mar 24, 1987 Issued
Array ( [id] => 2552871 [patent_doc_number] => 04806697 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-02-21 [patent_title] => 'Selective liquid phase disproportionation catalysts for iodoaromatics' [patent_app_type] => 1 [patent_app_number] => 7/029949 [patent_app_country] => US [patent_app_date] => 1987-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3479 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/806/04806697.pdf [firstpage_image] =>[orig_patent_app_number] => 029949 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/029949
Selective liquid phase disproportionation catalysts for iodoaromatics Mar 24, 1987 Issued
Array ( [id] => 2445984 [patent_doc_number] => 04792642 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-12-20 [patent_title] => 'Process for preparing iodinated aromatic compounds' [patent_app_type] => 1 [patent_app_number] => 7/029898 [patent_app_country] => US [patent_app_date] => 1987-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4065 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/792/04792642.pdf [firstpage_image] =>[orig_patent_app_number] => 029898 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/029898
Process for preparing iodinated aromatic compounds Mar 24, 1987 Issued
Array ( [id] => 2508626 [patent_doc_number] => 04795737 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-01-03 [patent_title] => 'Process for the iodination of aromatic compounds over solid catalysts' [patent_app_type] => 1 [patent_app_number] => 7/029959 [patent_app_country] => US [patent_app_date] => 1987-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4196 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/795/04795737.pdf [firstpage_image] =>[orig_patent_app_number] => 029959 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/029959
Process for the iodination of aromatic compounds over solid catalysts Mar 24, 1987 Issued
Array ( [id] => 2445967 [patent_doc_number] => 04792641 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-12-20 [patent_title] => 'Process for preparing iodinated aromatic compounds' [patent_app_type] => 1 [patent_app_number] => 7/029899 [patent_app_country] => US [patent_app_date] => 1987-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3212 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/792/04792641.pdf [firstpage_image] =>[orig_patent_app_number] => 029899 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/029899
Process for preparing iodinated aromatic compounds Mar 24, 1987 Issued
Array ( [id] => 2391412 [patent_doc_number] => 04754079 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-06-28 [patent_title] => 'Process for producing the sodium salt of 2-nitro-1,3-propanediol' [patent_app_type] => 1 [patent_app_number] => 7/029093 [patent_app_country] => US [patent_app_date] => 1987-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1987 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/754/04754079.pdf [firstpage_image] =>[orig_patent_app_number] => 029093 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/029093
Process for producing the sodium salt of 2-nitro-1,3-propanediol Mar 22, 1987 Issued
Array ( [id] => 2411369 [patent_doc_number] => 04719041 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-01-12 [patent_title] => '1-alkyl/alkenyl cyclohexan-1-ols as perfumes' [patent_app_type] => 1 [patent_app_number] => 7/028288 [patent_app_country] => US [patent_app_date] => 1987-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 913 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/719/04719041.pdf [firstpage_image] =>[orig_patent_app_number] => 028288 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/028288
1-alkyl/alkenyl cyclohexan-1-ols as perfumes Mar 19, 1987 Issued
Array ( [id] => 2411408 [patent_doc_number] => 04719043 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-01-12 [patent_title] => 'Isomeric 1-alkyl/alkenyl-2,2,4(2,4,4)-trimethyl cyclopentan-1-ols as perfumes' [patent_app_type] => 1 [patent_app_number] => 7/028289 [patent_app_country] => US [patent_app_date] => 1987-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1486 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/719/04719043.pdf [firstpage_image] =>[orig_patent_app_number] => 028289 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/028289
Isomeric 1-alkyl/alkenyl-2,2,4(2,4,4)-trimethyl cyclopentan-1-ols as perfumes Mar 19, 1987 Issued
Array ( [id] => 2411388 [patent_doc_number] => 04719042 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-01-12 [patent_title] => 'Tertiary alkyl-substituted alcohols as perfumes' [patent_app_type] => 1 [patent_app_number] => 7/028290 [patent_app_country] => US [patent_app_date] => 1987-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 969 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/719/04719042.pdf [firstpage_image] =>[orig_patent_app_number] => 028290 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/028290
Tertiary alkyl-substituted alcohols as perfumes Mar 19, 1987 Issued
Array ( [id] => 2391250 [patent_doc_number] => 04772755 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-09-20 [patent_title] => '1,2-1,4 addition reaction sequence leading to disubstituted acelylenes' [patent_app_type] => 1 [patent_app_number] => 7/027762 [patent_app_country] => US [patent_app_date] => 1987-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12994 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/772/04772755.pdf [firstpage_image] =>[orig_patent_app_number] => 027762 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/027762
1,2-1,4 addition reaction sequence leading to disubstituted acelylenes Mar 18, 1987 Issued
Array ( [id] => 2453163 [patent_doc_number] => 04733012 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-03-22 [patent_title] => 'Process for the preparation of 4-halomethylbenzaldehyde' [patent_app_type] => 1 [patent_app_number] => 7/026834 [patent_app_country] => US [patent_app_date] => 1987-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2479 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/733/04733012.pdf [firstpage_image] =>[orig_patent_app_number] => 026834 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/026834
Process for the preparation of 4-halomethylbenzaldehyde Mar 16, 1987 Issued
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