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] => 17257257 [patent_doc_number] => 20210370242 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-02 [patent_title] => FILTRATION APPARATUS CONTAINING GRAPHENE OXIDE MEMBRANE [patent_app_type] => utility [patent_app_number] => 17/402048 [patent_app_country] => US [patent_app_date] => 2021-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24176 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17402048 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/402048
Filtration apparatus containing graphene oxide membrane Aug 12, 2021 Issued
Array ( [id] => 18656511 [patent_doc_number] => 20230302411 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => ASYMMETRIC HYDROPHOBIC POLYOLEFIN HOLLOW FIBER MEMBRANE, PREPARING METHOD, AND USE OF THE SAME [patent_app_type] => utility [patent_app_number] => 18/021074 [patent_app_country] => US [patent_app_date] => 2021-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11445 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18021074 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/021074
ASYMMETRIC HYDROPHOBIC POLYOLEFIN HOLLOW FIBER MEMBRANE, PREPARING METHOD, AND USE OF THE SAME Aug 12, 2021 Pending
Array ( [id] => 18596351 [patent_doc_number] => 20230271142 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-31 [patent_title] => METHODS OF PREPARING SOLID PARTICULATE MATERIALS [patent_app_type] => utility [patent_app_number] => 18/018078 [patent_app_country] => US [patent_app_date] => 2021-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10260 [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] => 18018078 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/018078
METHODS OF PREPARING SOLID PARTICULATE MATERIALS Jul 28, 2021 Pending
Array ( [id] => 18596351 [patent_doc_number] => 20230271142 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-31 [patent_title] => METHODS OF PREPARING SOLID PARTICULATE MATERIALS [patent_app_type] => utility [patent_app_number] => 18/018078 [patent_app_country] => US [patent_app_date] => 2021-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10260 [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] => 18018078 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/018078
METHODS OF PREPARING SOLID PARTICULATE MATERIALS Jul 28, 2021 Pending
Array ( [id] => 18708015 [patent_doc_number] => 20230330600 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-19 [patent_title] => COATED ULTRAFILTRATION DEVICES [patent_app_type] => utility [patent_app_number] => 18/018987 [patent_app_country] => US [patent_app_date] => 2021-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3637 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18018987 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/018987
COATED ULTRAFILTRATION DEVICES Jul 27, 2021 Pending
Array ( [id] => 18708015 [patent_doc_number] => 20230330600 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-19 [patent_title] => COATED ULTRAFILTRATION DEVICES [patent_app_type] => utility [patent_app_number] => 18/018987 [patent_app_country] => US [patent_app_date] => 2021-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3637 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18018987 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/018987
COATED ULTRAFILTRATION DEVICES Jul 27, 2021 Pending
Array ( [id] => 17904402 [patent_doc_number] => 11458236 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-04 [patent_title] => Reduced leaching of a ligand [patent_app_type] => utility [patent_app_number] => 17/386463 [patent_app_country] => US [patent_app_date] => 2021-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 19 [patent_no_of_words] => 13895 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17386463 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/386463
Reduced leaching of a ligand Jul 26, 2021 Issued
Array ( [id] => 17996946 [patent_doc_number] => 11498034 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-15 [patent_title] => Durable graphene oxide membranes [patent_app_type] => utility [patent_app_number] => 17/380566 [patent_app_country] => US [patent_app_date] => 2021-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 49 [patent_no_of_words] => 19012 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17380566 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/380566
Durable graphene oxide membranes Jul 19, 2021 Issued
Array ( [id] => 17384389 [patent_doc_number] => 20220032241 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-03 [patent_title] => METHODS OF PREPARING DUAL-LAYER POLYVINYLIDENE FLUORIDE HOLLOW FIBER MEMBRANES AND USES THEREOF [patent_app_type] => utility [patent_app_number] => 17/377844 [patent_app_country] => US [patent_app_date] => 2021-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 29533 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [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] => 17377844 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/377844
METHODS OF PREPARING DUAL-LAYER POLYVINYLIDENE FLUORIDE HOLLOW FIBER MEMBRANES AND USES THEREOF Jul 15, 2021 Pending
Array ( [id] => 17199108 [patent_doc_number] => 20210339202 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-04 [patent_title] => Non-nesting, Non-deforming Patterns for Spiral-wound Elements [patent_app_type] => utility [patent_app_number] => 17/368625 [patent_app_country] => US [patent_app_date] => 2021-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3133 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17368625 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/368625
Non-nesting, non-deforming patterns for spiral-wound elements Jul 5, 2021 Issued
Array ( [id] => 17200079 [patent_doc_number] => 20210340174 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-04 [patent_title] => SEPARATING AGENT FOR HUMAN INSULIN PURIFICATION AND HUMAN INSULIN PURIFICATION METHOD [patent_app_type] => utility [patent_app_number] => 17/366564 [patent_app_country] => US [patent_app_date] => 2021-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21459 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17366564 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/366564
SEPARATING AGENT FOR HUMAN INSULIN PURIFICATION AND HUMAN INSULIN PURIFICATION METHOD Jul 1, 2021 Abandoned
Array ( [id] => 19793353 [patent_doc_number] => 12234283 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-25 [patent_title] => System for chromatography column qualification in manufacturing methods for producing anti-IL12/IL23 antibody compositions [patent_app_type] => utility [patent_app_number] => 17/366360 [patent_app_country] => US [patent_app_date] => 2021-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 32 [patent_figures_cnt] => 50 [patent_no_of_words] => 20913 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 322 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17366360 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/366360
System for chromatography column qualification in manufacturing methods for producing anti-IL12/IL23 antibody compositions Jul 1, 2021 Issued
Array ( [id] => 18627094 [patent_doc_number] => 20230285906 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-14 [patent_title] => GAS SEPARATION MEMBRANE AND METHOD FOR MANUFACTURING SAME [patent_app_type] => utility [patent_app_number] => 18/015718 [patent_app_country] => US [patent_app_date] => 2021-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14140 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18015718 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/015718
GAS SEPARATION MEMBRANE AND METHOD FOR MANUFACTURING SAME Jun 24, 2021 Abandoned
Array ( [id] => 18627094 [patent_doc_number] => 20230285906 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-14 [patent_title] => GAS SEPARATION MEMBRANE AND METHOD FOR MANUFACTURING SAME [patent_app_type] => utility [patent_app_number] => 18/015718 [patent_app_country] => US [patent_app_date] => 2021-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14140 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18015718 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/015718
GAS SEPARATION MEMBRANE AND METHOD FOR MANUFACTURING SAME Jun 24, 2021 Abandoned
Array ( [id] => 18575421 [patent_doc_number] => 11731933 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-22 [patent_title] => Device and method for the desalination of water by means of thermal deionisation and liquid-phase ion extraction liquid [patent_app_type] => utility [patent_app_number] => 17/304463 [patent_app_country] => US [patent_app_date] => 2021-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 15862 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 484 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17304463 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/304463
Device and method for the desalination of water by means of thermal deionisation and liquid-phase ion extraction liquid Jun 21, 2021 Issued
Array ( [id] => 18566069 [patent_doc_number] => 20230256397 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-17 [patent_title] => DUAL-LAYER MEMBRANE [patent_app_type] => utility [patent_app_number] => 18/012214 [patent_app_country] => US [patent_app_date] => 2021-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15685 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18012214 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/012214
DUAL-LAYER MEMBRANE Jun 17, 2021 Pending
Array ( [id] => 18566069 [patent_doc_number] => 20230256397 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-17 [patent_title] => DUAL-LAYER MEMBRANE [patent_app_type] => utility [patent_app_number] => 18/012214 [patent_app_country] => US [patent_app_date] => 2021-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15685 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18012214 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/012214
DUAL-LAYER MEMBRANE Jun 17, 2021 Pending
Array ( [id] => 18511353 [patent_doc_number] => 20230227497 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-20 [patent_title] => A METHOD OF PROVIDING A HOMOGENEOUS FEED STREAM WITHIN A PLUG FLOW REACTOR [patent_app_type] => utility [patent_app_number] => 18/001980 [patent_app_country] => US [patent_app_date] => 2021-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7091 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [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] => 18001980 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/001980
A METHOD OF PROVIDING A HOMOGENEOUS FEED STREAM WITHIN A PLUG FLOW REACTOR Jun 10, 2021 Pending
Array ( [id] => 19076687 [patent_doc_number] => 11946038 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-04-02 [patent_title] => Methods and systems including flow and magnetic modules [patent_app_type] => utility [patent_app_number] => 17/332371 [patent_app_country] => US [patent_app_date] => 2021-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 16887 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17332371 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/332371
Methods and systems including flow and magnetic modules May 26, 2021 Issued
Array ( [id] => 18980150 [patent_doc_number] => 11905310 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-20 [patent_title] => Protein purification [patent_app_type] => utility [patent_app_number] => 17/327865 [patent_app_country] => US [patent_app_date] => 2021-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 14 [patent_no_of_words] => 12407 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17327865 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/327865
Protein purification May 23, 2021 Issued
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