Search

Keith D. Walker

Supervisory Patent Examiner (ID: 18805, Phone: (571)272-3458 , Office: P/1735 )

Most Active Art Unit
1735
Art Unit(s)
1745, 1726, 1795, 1735
Total Applications
565
Issued Applications
152
Pending Applications
54
Abandoned Applications
362

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 9262063 [patent_doc_number] => 20130343992 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-12-26 [patent_title] => 'RADIOLABELED PDE10A LIGANDS' [patent_app_type] => utility [patent_app_number] => 13/723406 [patent_app_country] => US [patent_app_date] => 2012-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 27336 [patent_no_of_claims] => 40 [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] => 13723406 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/723406
Radiolabeled PDE10A ligands Dec 20, 2012 Issued
Array ( [id] => 15696699 [patent_doc_number] => 10604516 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-03-31 [patent_title] => Compounds for imaging tau proteins that accumulate in the brain [patent_app_type] => utility [patent_app_number] => 14/346914 [patent_app_country] => US [patent_app_date] => 2012-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 30110 [patent_no_of_claims] => 4 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14346914 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/346914
Compounds for imaging tau proteins that accumulate in the brain Dec 20, 2012 Issued
Array ( [id] => 10346244 [patent_doc_number] => 20150231249 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-08-20 [patent_title] => '18F-FLUCICLOVINE COMPOSITIONS IN CITRATE BUFFERS' [patent_app_type] => utility [patent_app_number] => 14/367649 [patent_app_country] => US [patent_app_date] => 2012-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4649 [patent_no_of_claims] => 21 [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] => 14367649 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/367649
18F-FLUCICLOVINE COMPOSITIONS IN CITRATE BUFFERS Dec 20, 2012 Abandoned
Array ( [id] => 9448867 [patent_doc_number] => 20140120036 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-05-01 [patent_title] => 'RADIOLABELED 5-HT6 LIGANDS' [patent_app_type] => utility [patent_app_number] => 13/723422 [patent_app_country] => US [patent_app_date] => 2012-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16984 [patent_no_of_claims] => 29 [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] => 13723422 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/723422
RADIOLABELED 5-HT6 LIGANDS Dec 20, 2012 Abandoned
Array ( [id] => 9865530 [patent_doc_number] => 20150045548 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-02-12 [patent_title] => 'METHOD FOR PREPARING FLUORINE-18 ELUENT WITH ADJUSTED PH, AND METHOD FOR LABELLING FLUORINE-18 USING SAME' [patent_app_type] => utility [patent_app_number] => 14/375412 [patent_app_country] => US [patent_app_date] => 2012-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5509 [patent_no_of_claims] => 11 [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] => 14375412 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/375412
Method for preparing fluorine-18 eluent with adjusted PH, and method for labelling fluorine-18 using same Dec 20, 2012 Issued
Array ( [id] => 8883516 [patent_doc_number] => 20130156701 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-06-20 [patent_title] => 'METHOD OF PREPARING ETHACRYNIC AMIDE DERIVATIVES AND APPLICATION THEREOF' [patent_app_type] => utility [patent_app_number] => 13/715513 [patent_app_country] => US [patent_app_date] => 2012-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 9835 [patent_no_of_claims] => 11 [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] => 13715513 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/715513
METHOD OF PREPARING ETHACRYNIC AMIDE DERIVATIVES AND APPLICATION THEREOF Dec 13, 2012 Abandoned
Array ( [id] => 10931998 [patent_doc_number] => 20140335019 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-11-13 [patent_title] => 'COMPOSITIONS AND METHODS FOR THE TREATMENT AND ANALYSIS OF NEUROLOGICAL DISORDERS' [patent_app_type] => utility [patent_app_number] => 14/362339 [patent_app_country] => US [patent_app_date] => 2012-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 10391 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [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] => 14362339 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/362339
COMPOSITIONS AND METHODS FOR THE TREATMENT AND ANALYSIS OF NEUROLOGICAL DISORDERS Nov 29, 2012 Abandoned
Array ( [id] => 8883517 [patent_doc_number] => 20130156700 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-06-20 [patent_title] => 'FLUORINE-18 AND CARBON-11 LABELED RADIOLIGANDS FOR POSITRON EMISSION TOMOGRAPHY (PET) IMAGING FOR LRRK2' [patent_app_type] => utility [patent_app_number] => 13/687441 [patent_app_country] => US [patent_app_date] => 2012-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 29147 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [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] => 13687441 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/687441
Fluorine-18 and carbon-11 labeled radioligands for positron emission tomography (PET) imaging for LRRK2 Nov 27, 2012 Issued
Array ( [id] => 13249073 [patent_doc_number] => 10137208 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-11-27 [patent_title] => Vivo tumor targeting and spectroscopic detection with surface-enhanced raman nanoparticle tags [patent_app_type] => utility [patent_app_number] => 13/680524 [patent_app_country] => US [patent_app_date] => 2012-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 29 [patent_no_of_words] => 15404 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13680524 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/680524
Vivo tumor targeting and spectroscopic detection with surface-enhanced raman nanoparticle tags Nov 18, 2012 Issued
Array ( [id] => 8825364 [patent_doc_number] => 20130126409 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-05-23 [patent_title] => 'PURIFICATION METHOD' [patent_app_type] => utility [patent_app_number] => 13/671768 [patent_app_country] => US [patent_app_date] => 2012-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2630 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [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] => 13671768 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/671768
PURIFICATION METHOD Nov 7, 2012 Abandoned
Array ( [id] => 10966901 [patent_doc_number] => 20140369933 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-12-18 [patent_title] => 'FLUORINE-18 LABELED HYDROGEN ION PROBES' [patent_app_type] => utility [patent_app_number] => 14/352134 [patent_app_country] => US [patent_app_date] => 2012-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 10434 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 5 [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] => 14352134 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/352134
FLUORINE-18 LABELED HYDROGEN ION PROBES Oct 8, 2012 Abandoned
Array ( [id] => 9383365 [patent_doc_number] => 20140086846 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-03-27 [patent_title] => 'CONTRAST ENHANCEMENT AGENTS AND METHOD OF USE THEREOF' [patent_app_type] => utility [patent_app_number] => 13/626942 [patent_app_country] => US [patent_app_date] => 2012-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 20183 [patent_no_of_claims] => 42 [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] => 13626942 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/626942
Contrast enhancement agents and method of use thereof Sep 25, 2012 Issued
Array ( [id] => 9635668 [patent_doc_number] => 20140213777 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-07-31 [patent_title] => 'LUMINESCENT PROBES FOR BIOLOGICAL LABELING AND IMAGING, AND PROCESS FOR PREPARING THE SAME' [patent_app_type] => utility [patent_app_number] => 14/345705 [patent_app_country] => US [patent_app_date] => 2012-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8386 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [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] => 14345705 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/345705
Luminescent probes for biological labeling and imaging, and process for preparing the same Sep 19, 2012 Issued
Array ( [id] => 8955384 [patent_doc_number] => 08501154 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-08-06 [patent_title] => 'Fluorinated fructose derivatives for PET imaging' [patent_app_type] => utility [patent_app_number] => 13/622599 [patent_app_country] => US [patent_app_date] => 2012-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 11662 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 9 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13622599 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/622599
Fluorinated fructose derivatives for PET imaging Sep 18, 2012 Issued
Array ( [id] => 11407843 [patent_doc_number] => 09555129 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-01-31 [patent_title] => 'Adenosine derivative formulations for medical imaging' [patent_app_type] => utility [patent_app_number] => 13/615760 [patent_app_country] => US [patent_app_date] => 2012-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3125 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13615760 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/615760
Adenosine derivative formulations for medical imaging Sep 13, 2012 Issued
Array ( [id] => 8696863 [patent_doc_number] => 20130058872 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-03-07 [patent_title] => 'Bioluminescent Endoscopy Methods and Compounds' [patent_app_type] => utility [patent_app_number] => 13/610242 [patent_app_country] => US [patent_app_date] => 2012-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 12172 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 3 [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] => 13610242 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/610242
Bioluminescent Endoscopy Methods and Compounds Sep 10, 2012 Abandoned
Array ( [id] => 10925743 [patent_doc_number] => 20140328764 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-11-06 [patent_title] => 'Biocompatible Nanoparticles with Aggregation Induced Emission Characteristics as Fluorescent Bioprobes and Methods of Using the Same for In Vitro and In Vivo Imaging' [patent_app_type] => utility [patent_app_number] => 14/342074 [patent_app_country] => US [patent_app_date] => 2012-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 29 [patent_no_of_words] => 28548 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 9 [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] => 14342074 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/342074
Biocompatible nanoparticles with aggregation induced emission characteristics as fluorescent bioprobes and methods of using the same for in vitro and in vivo imaging Sep 2, 2012 Issued
Array ( [id] => 8522150 [patent_doc_number] => 20120321558 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-12-20 [patent_title] => 'COMPOSITIONS OF HIGH SPECIFIC ACTIVITY SN-117M AND METHODS OF PREPARING THE SAME' [patent_app_type] => utility [patent_app_number] => 13/592836 [patent_app_country] => US [patent_app_date] => 2012-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 6733 [patent_no_of_claims] => 20 [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] => 13592836 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/592836
Compositions of high specific activity 117mSn and methods of preparing the same Aug 22, 2012 Issued
Array ( [id] => 11462794 [patent_doc_number] => 09579407 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-02-28 [patent_title] => 'Radiolabeled compounds and their use as radiotracers for quantitative imaging of phosphodiesterase (PDE10A) in mammals' [patent_app_type] => utility [patent_app_number] => 14/237234 [patent_app_country] => US [patent_app_date] => 2012-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 63417 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14237234 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/237234
Radiolabeled compounds and their use as radiotracers for quantitative imaging of phosphodiesterase (PDE10A) in mammals Aug 20, 2012 Issued
Array ( [id] => 9596656 [patent_doc_number] => 20140193337 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-07-10 [patent_title] => '18F-SACCHARIDE-FOLATES' [patent_app_type] => utility [patent_app_number] => 14/239275 [patent_app_country] => US [patent_app_date] => 2012-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 16957 [patent_no_of_claims] => 28 [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] => 14239275 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/239275
None Aug 20, 2012 Issued
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