Search

Nancy N. Prasad

Examiner (ID: 5087, Phone: (571)270-3265 , Office: P/3624 )

Most Active Art Unit
3624
Art Unit(s)
3684, 3624, 3692
Total Applications
366
Issued Applications
72
Pending Applications
55
Abandoned Applications
254

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 16345095 [patent_doc_number] => 20200309745 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-01 [patent_title] => CHROMATOGRAPHY METHOD [patent_app_type] => utility [patent_app_number] => 16/754676 [patent_app_country] => US [patent_app_date] => 2017-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6992 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16754676 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/754676
CHROMATOGRAPHY METHOD Oct 11, 2017 Abandoned
Array ( [id] => 12624705 [patent_doc_number] => 20180100065 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-04-12 [patent_title] => STABLE IMMOBILIZED AMINE SORBENTS FOR REE AND HEAVY METAL RECOVERY FROM LIQUID SOURCES [patent_app_type] => utility [patent_app_number] => 15/782315 [patent_app_country] => US [patent_app_date] => 2017-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12027 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -33 [patent_words_short_claim] => 8 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15782315 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/782315
STABLE IMMOBILIZED AMINE SORBENTS FOR REE AND HEAVY METAL RECOVERY FROM LIQUID SOURCES Oct 11, 2017 Abandoned
Array ( [id] => 13398183 [patent_doc_number] => 20180250634 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-06 [patent_title] => LIGAND BASED FORWARD OSMOSIS [patent_app_type] => utility [patent_app_number] => 15/729622 [patent_app_country] => US [patent_app_date] => 2017-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6967 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15729622 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/729622
LIGAND BASED FORWARD OSMOSIS Oct 9, 2017 Abandoned
Array ( [id] => 19411657 [patent_doc_number] => 12077461 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-03 [patent_title] => Method for treating reducible compound residues using iron-containing bioreactor [patent_app_type] => utility [patent_app_number] => 15/721886 [patent_app_country] => US [patent_app_date] => 2017-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3726 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15721886 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/721886
Method for treating reducible compound residues using iron-containing bioreactor Sep 29, 2017 Issued
Array ( [id] => 16931252 [patent_doc_number] => 20210197141 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-01 [patent_title] => SEPARATION MEMBRANE MODULE [patent_app_type] => utility [patent_app_number] => 16/334597 [patent_app_country] => US [patent_app_date] => 2017-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16964 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16334597 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/334597
SEPARATION MEMBRANE MODULE Sep 28, 2017 Abandoned
Array ( [id] => 15406033 [patent_doc_number] => 20200023338 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-23 [patent_title] => Novel Chromatography Media [patent_app_type] => utility [patent_app_number] => 16/337236 [patent_app_country] => US [patent_app_date] => 2017-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3672 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16337236 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/337236
Novel Chromatography Media Sep 26, 2017 Abandoned
Array ( [id] => 14718133 [patent_doc_number] => 20190250130 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-15 [patent_title] => SYSTEM FOR SUBJECTING A SAMPLE TO CHROMATOGRAPHIC ANALYSIS [patent_app_type] => utility [patent_app_number] => 16/337780 [patent_app_country] => US [patent_app_date] => 2017-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5462 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16337780 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/337780
System for subjecting a sample to chromatographic analysis Sep 25, 2017 Issued
Array ( [id] => 16312135 [patent_doc_number] => 20200290873 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-17 [patent_title] => AQUEOUS HYDROGEN PEROXIDE PURIFICATION METHOD AND PURIFICATION SYSTEM [patent_app_type] => utility [patent_app_number] => 16/341610 [patent_app_country] => US [patent_app_date] => 2017-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9888 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16341610 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/341610
AQUEOUS HYDROGEN PEROXIDE PURIFICATION METHOD AND PURIFICATION SYSTEM Sep 18, 2017 Abandoned
Array ( [id] => 12120089 [patent_doc_number] => 20180003674 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-04 [patent_title] => 'DEVICES AND METHODS FOR SAMPLE CHARACTERIZATION' [patent_app_type] => utility [patent_app_number] => 15/709158 [patent_app_country] => US [patent_app_date] => 2017-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 9570 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15709158 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/709158
Devices and methods for sample characterization Sep 18, 2017 Issued
Array ( [id] => 16289172 [patent_doc_number] => 10765999 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-09-08 [patent_title] => Treatment of industrial water systems [patent_app_type] => utility [patent_app_number] => 15/705572 [patent_app_country] => US [patent_app_date] => 2017-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 8046 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 245 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15705572 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/705572
Treatment of industrial water systems Sep 14, 2017 Issued
Array ( [id] => 16605022 [patent_doc_number] => 10906007 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-02-02 [patent_title] => Filtration membranes with functionalized star polymers [patent_app_type] => utility [patent_app_number] => 15/695778 [patent_app_country] => US [patent_app_date] => 2017-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5151 [patent_no_of_claims] => 12 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15695778 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/695778
Filtration membranes with functionalized star polymers Sep 4, 2017 Issued
Array ( [id] => 14566899 [patent_doc_number] => 20190211056 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-11 [patent_title] => METHOD FOR PURIFYING PROTEIN USING ACTIVATED CARBON [patent_app_type] => utility [patent_app_number] => 16/328823 [patent_app_country] => US [patent_app_date] => 2017-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 26987 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16328823 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/328823
METHOD FOR PURIFYING PROTEIN USING ACTIVATED CARBON Aug 30, 2017 Abandoned
Array ( [id] => 13957611 [patent_doc_number] => 20190055149 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-21 [patent_title] => TREATMENT OF OIL SANDS TAILINGS WITH LIME AT ELEVATED PH LEVELS [patent_app_type] => utility [patent_app_number] => 15/681282 [patent_app_country] => US [patent_app_date] => 2017-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9227 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15681282 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/681282
Treatment of oil sands tailings with lime at elevated pH levels Aug 17, 2017 Issued
Array ( [id] => 16696687 [patent_doc_number] => 10947268 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-16 [patent_title] => Methods of purifying proteins [patent_app_type] => utility [patent_app_number] => 16/324595 [patent_app_country] => US [patent_app_date] => 2017-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 13344 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16324595 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/324595
Methods of purifying proteins Aug 9, 2017 Issued
Array ( [id] => 12588543 [patent_doc_number] => 20180088010 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-03-29 [patent_title] => IMMOBILIZED WATER STATIONARY PHASE [patent_app_type] => utility [patent_app_number] => 15/672924 [patent_app_country] => US [patent_app_date] => 2017-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9416 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15672924 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/672924
IMMOBILIZED WATER STATIONARY PHASE Aug 8, 2017 Abandoned
Array ( [id] => 15525389 [patent_doc_number] => 20200055000 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-20 [patent_title] => PERMSELECTIVE MEMBRANE AND METHOD FOR PRODUCING THE SAME, AND METHOD FOR TREATING WATER [patent_app_type] => utility [patent_app_number] => 16/484543 [patent_app_country] => US [patent_app_date] => 2017-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4286 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16484543 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/484543
PERMSELECTIVE MEMBRANE AND METHOD FOR PRODUCING THE SAME, AND METHOD FOR TREATING WATER Aug 7, 2017 Abandoned
Array ( [id] => 16756828 [patent_doc_number] => 10975368 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-04-13 [patent_title] => Acoustophoresis device with dual acoustophoretic chamber [patent_app_type] => utility [patent_app_number] => 15/672288 [patent_app_country] => US [patent_app_date] => 2017-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 8396 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15672288 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/672288
Acoustophoresis device with dual acoustophoretic chamber Aug 7, 2017 Issued
Array ( [id] => 12050126 [patent_doc_number] => 20170326470 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-11-16 [patent_title] => 'Water Production, Filtration and Dispensing System' [patent_app_type] => utility [patent_app_number] => 15/664455 [patent_app_country] => US [patent_app_date] => 2017-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4877 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15664455 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/664455
Water production, filtration and dispensing system Jul 30, 2017 Issued
Array ( [id] => 14532453 [patent_doc_number] => 20190201847 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-04 [patent_title] => DEVICE FOR HEAT-TREATING INNER SURFACE OF BRAID FOR REINFORCING HOLLOW FIBER MEMBRANE FOR WATER TREATMENT WITH TEMPERATURE CONTROL STRUCTURE [patent_app_type] => utility [patent_app_number] => 16/322597 [patent_app_country] => US [patent_app_date] => 2017-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6704 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 481 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16322597 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/322597
DEVICE FOR HEAT-TREATING INNER SURFACE OF BRAID FOR REINFORCING HOLLOW FIBER MEMBRANE FOR WATER TREATMENT WITH TEMPERATURE CONTROL STRUCTURE Jul 24, 2017 Abandoned
Array ( [id] => 14744679 [patent_doc_number] => 20190255513 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-22 [patent_title] => Process for Recovering Viral Products Using Functionalised Chromatography Media [patent_app_type] => utility [patent_app_number] => 16/314943 [patent_app_country] => US [patent_app_date] => 2017-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17448 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -36 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16314943 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/314943
Process for recovering viral products using functionalised chromatography media Jul 13, 2017 Issued
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