Search

Cheukfan Lee

Examiner (ID: 1932, Phone: (571)272-7407 , Office: P/2673 )

Most Active Art Unit
2625
Art Unit(s)
2625, 2673, 2616, 2612, 2627, 2674, 2682, 2676, 2722, 2622
Total Applications
2127
Issued Applications
1804
Pending Applications
64
Abandoned Applications
271

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 3538525 [patent_doc_number] => 05494878 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-02-27 [patent_title] => 'Catalyst for exhaust gas purification' [patent_app_type] => 1 [patent_app_number] => 8/186930 [patent_app_country] => US [patent_app_date] => 1994-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 29 [patent_no_of_words] => 7980 [patent_no_of_claims] => 7 [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/05/494/05494878.pdf [firstpage_image] =>[orig_patent_app_number] => 186930 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/186930
Catalyst for exhaust gas purification Jan 26, 1994 Issued
Array ( [id] => 3521593 [patent_doc_number] => 05489522 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-02-06 [patent_title] => 'Three-way catalysts from organo noble metal precursors' [patent_app_type] => 1 [patent_app_number] => 8/185618 [patent_app_country] => US [patent_app_date] => 1994-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 3649 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/489/05489522.pdf [firstpage_image] =>[orig_patent_app_number] => 185618 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/185618
Three-way catalysts from organo noble metal precursors Jan 23, 1994 Issued
Array ( [id] => 3444402 [patent_doc_number] => 05430207 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-07-04 [patent_title] => 'Process for degrading complex hydrocarbons to produce simpler hydrocarbons' [patent_app_type] => 1 [patent_app_number] => 8/185279 [patent_app_country] => US [patent_app_date] => 1994-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3552 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/430/05430207.pdf [firstpage_image] =>[orig_patent_app_number] => 185279 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/185279
Process for degrading complex hydrocarbons to produce simpler hydrocarbons Jan 23, 1994 Issued
Array ( [id] => 3113477 [patent_doc_number] => 05414172 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-05-09 [patent_title] => 'Naphtha upgrading' [patent_app_type] => 1 [patent_app_number] => 8/184902 [patent_app_country] => US [patent_app_date] => 1994-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 6176 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/414/05414172.pdf [firstpage_image] =>[orig_patent_app_number] => 184902 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/184902
Naphtha upgrading Jan 20, 1994 Issued
Array ( [id] => 3113422 [patent_doc_number] => 05414169 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-05-09 [patent_title] => 'Method of obtaining hydrocarbon oil from waste plastic material or waste rubber material and apparatus for carrying out the method' [patent_app_type] => 1 [patent_app_number] => 8/183825 [patent_app_country] => US [patent_app_date] => 1994-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4770 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/414/05414169.pdf [firstpage_image] =>[orig_patent_app_number] => 183825 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/183825
Method of obtaining hydrocarbon oil from waste plastic material or waste rubber material and apparatus for carrying out the method Jan 20, 1994 Issued
Array ( [id] => 3428657 [patent_doc_number] => 05416258 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-05-16 [patent_title] => 'Methods for inhibiting ethylenically unsaturated monomers' [patent_app_type] => 1 [patent_app_number] => 8/182813 [patent_app_country] => US [patent_app_date] => 1994-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2036 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/416/05416258.pdf [firstpage_image] =>[orig_patent_app_number] => 182813 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/182813
Methods for inhibiting ethylenically unsaturated monomers Jan 13, 1994 Issued
Array ( [id] => 3524646 [patent_doc_number] => 05489721 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-02-06 [patent_title] => 'Alpha-olefin polymers' [patent_app_type] => 1 [patent_app_number] => 8/177781 [patent_app_country] => US [patent_app_date] => 1994-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9354 [patent_no_of_claims] => 32 [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/05/489/05489721.pdf [firstpage_image] =>[orig_patent_app_number] => 177781 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/177781
Alpha-olefin polymers Jan 5, 1994 Issued
Array ( [id] => 3565420 [patent_doc_number] => 05482914 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-01-09 [patent_title] => 'Hydrophobic adsorbents and their use for the adsorption of lipoproteins' [patent_app_type] => 1 [patent_app_number] => 8/177947 [patent_app_country] => US [patent_app_date] => 1994-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1709 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/482/05482914.pdf [firstpage_image] =>[orig_patent_app_number] => 177947 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/177947
Hydrophobic adsorbents and their use for the adsorption of lipoproteins Jan 5, 1994 Issued
08/177126 HYDRODEALKYLATION PROCESSES Jan 3, 1994 Abandoned
Array ( [id] => 3107099 [patent_doc_number] => 05464528 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-11-07 [patent_title] => 'FCC process and apparatus with upset tolerant third stage separator' [patent_app_type] => 1 [patent_app_number] => 8/175864 [patent_app_country] => US [patent_app_date] => 1993-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 6436 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 627 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/464/05464528.pdf [firstpage_image] =>[orig_patent_app_number] => 175864 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/175864
FCC process and apparatus with upset tolerant third stage separator Dec 29, 1993 Issued
Array ( [id] => 3480612 [patent_doc_number] => 05457077 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-10-10 [patent_title] => 'Moving bed regeneration process with combined drying and dispersion steps' [patent_app_type] => 1 [patent_app_number] => 8/176159 [patent_app_country] => US [patent_app_date] => 1993-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 8769 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/457/05457077.pdf [firstpage_image] =>[orig_patent_app_number] => 176159 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/176159
Moving bed regeneration process with combined drying and dispersion steps Dec 29, 1993 Issued
Array ( [id] => 3106725 [patent_doc_number] => 05418202 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-05-23 [patent_title] => 'Ethylene oxide catalyst and process' [patent_app_type] => 1 [patent_app_number] => 8/176044 [patent_app_country] => US [patent_app_date] => 1993-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12235 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/418/05418202.pdf [firstpage_image] =>[orig_patent_app_number] => 176044 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/176044
Ethylene oxide catalyst and process Dec 29, 1993 Issued
Array ( [id] => 3513856 [patent_doc_number] => 05505926 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-04-09 [patent_title] => 'HCL adsorbent and method for making and using same' [patent_app_type] => 1 [patent_app_number] => 8/176415 [patent_app_country] => US [patent_app_date] => 1993-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4046 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/505/05505926.pdf [firstpage_image] =>[orig_patent_app_number] => 176415 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/176415
HCL adsorbent and method for making and using same Dec 29, 1993 Issued
Array ( [id] => 3489336 [patent_doc_number] => 05470815 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-11-28 [patent_title] => 'Multicomponent oxide catalyst' [patent_app_type] => 1 [patent_app_number] => 8/175286 [patent_app_country] => US [patent_app_date] => 1993-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2564 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 23 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/470/05470815.pdf [firstpage_image] =>[orig_patent_app_number] => 175286 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/175286
Multicomponent oxide catalyst Dec 28, 1993 Issued
08/174607 REACTIVATION OF WATER-SOLUBLE HYDROFORMYLATION CATALYSTS Dec 27, 1993 Abandoned
Array ( [id] => 3425223 [patent_doc_number] => 05422328 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-06-06 [patent_title] => 'Process for preparing a catalyst useful for producing a nitrile' [patent_app_type] => 1 [patent_app_number] => 8/172819 [patent_app_country] => US [patent_app_date] => 1993-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 8503 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/422/05422328.pdf [firstpage_image] =>[orig_patent_app_number] => 172819 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/172819
Process for preparing a catalyst useful for producing a nitrile Dec 26, 1993 Issued
Array ( [id] => 3489724 [patent_doc_number] => 05439864 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-08-08 [patent_title] => 'Shaped carbonaceous composition' [patent_app_type] => 1 [patent_app_number] => 8/172980 [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] => 1778 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/439/05439864.pdf [firstpage_image] =>[orig_patent_app_number] => 172980 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/172980
Shaped carbonaceous composition Dec 26, 1993 Issued
Array ( [id] => 3109900 [patent_doc_number] => 05409682 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-04-25 [patent_title] => 'Preparation of essentially alkali-free borosilicate crystals having a zeolite structure' [patent_app_type] => 1 [patent_app_number] => 8/172871 [patent_app_country] => US [patent_app_date] => 1993-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 2100 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/409/05409682.pdf [firstpage_image] =>[orig_patent_app_number] => 172871 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/172871
Preparation of essentially alkali-free borosilicate crystals having a zeolite structure Dec 22, 1993 Issued
Array ( [id] => 3416959 [patent_doc_number] => 05453412 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-09-26 [patent_title] => 'Copper catalysts' [patent_app_type] => 1 [patent_app_number] => 8/172049 [patent_app_country] => US [patent_app_date] => 1993-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3060 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/453/05453412.pdf [firstpage_image] =>[orig_patent_app_number] => 172049 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/172049
Copper catalysts Dec 21, 1993 Issued
08/171823 REDUCTIVE AMINATION CATALYSTS Dec 21, 1993 Abandoned
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