Search

David P Porta

Supervisory Patent Examiner (ID: 12383, Phone: (571)272-2444 , Office: P/2884 )

Most Active Art Unit
2506
Art Unit(s)
2884, 2899, 2878, 2882, 3621, 2876, 2506
Total Applications
1617
Issued Applications
1310
Pending Applications
166
Abandoned Applications
141

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2882091 [patent_doc_number] => 05213845 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-25 [patent_title] => 'Coloring process' [patent_app_type] => 1 [patent_app_number] => 7/772143 [patent_app_country] => US [patent_app_date] => 1991-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3907 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/213/05213845.pdf [firstpage_image] =>[orig_patent_app_number] => 772143 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/772143
Coloring process Oct 6, 1991 Issued
Array ( [id] => 2990307 [patent_doc_number] => 05358560 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-10-25 [patent_title] => 'Solid-form additive systems dispersible in aqueous media and method for their preparation' [patent_app_type] => 1 [patent_app_number] => 7/771908 [patent_app_country] => US [patent_app_date] => 1991-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8827 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/358/05358560.pdf [firstpage_image] =>[orig_patent_app_number] => 771908 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/771908
Solid-form additive systems dispersible in aqueous media and method for their preparation Oct 3, 1991 Issued
Array ( [id] => 3077162 [patent_doc_number] => 05279659 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-01-18 [patent_title] => 'Cellulose ester film containing phosphoric ester plasticizer and aromatic carboxylic ester and process for preparation of the same' [patent_app_type] => 1 [patent_app_number] => 7/769687 [patent_app_country] => US [patent_app_date] => 1991-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6294 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/279/05279659.pdf [firstpage_image] =>[orig_patent_app_number] => 769687 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/769687
Cellulose ester film containing phosphoric ester plasticizer and aromatic carboxylic ester and process for preparation of the same Oct 1, 1991 Issued
Array ( [id] => 2944898 [patent_doc_number] => 05221338 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-22 [patent_title] => 'Particulated asphalt composition and process' [patent_app_type] => 1 [patent_app_number] => 7/767664 [patent_app_country] => US [patent_app_date] => 1991-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4417 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/221/05221338.pdf [firstpage_image] =>[orig_patent_app_number] => 767664 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/767664
Particulated asphalt composition and process Sep 29, 1991 Issued
Array ( [id] => 2944438 [patent_doc_number] => 05262137 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-16 [patent_title] => 'Method for recovering lithium chloride' [patent_app_type] => 1 [patent_app_number] => 7/766111 [patent_app_country] => US [patent_app_date] => 1991-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3879 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/262/05262137.pdf [firstpage_image] =>[orig_patent_app_number] => 766111 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/766111
Method for recovering lithium chloride Sep 26, 1991 Issued
Array ( [id] => 3082048 [patent_doc_number] => 05277882 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-01-11 [patent_title] => 'Process for recovering germanium' [patent_app_type] => 1 [patent_app_number] => 7/752542 [patent_app_country] => US [patent_app_date] => 1991-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 6284 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/277/05277882.pdf [firstpage_image] =>[orig_patent_app_number] => 752542 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/752542
Process for recovering germanium Sep 24, 1991 Issued
07/762125 ORGANOSILICON HAIR CARE PRODUCTS Sep 18, 1991 Abandoned
Array ( [id] => 3077147 [patent_doc_number] => 05279658 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-01-18 [patent_title] => 'Composition suitable for forming into shaped articles, process for preparing the composition, process for preparing shaped articles using the composition, and shaped articles so-formed' [patent_app_type] => 1 [patent_app_number] => 7/761221 [patent_app_country] => US [patent_app_date] => 1991-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5746 [patent_no_of_claims] => 3 [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/05/279/05279658.pdf [firstpage_image] =>[orig_patent_app_number] => 761221 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/761221
Composition suitable for forming into shaped articles, process for preparing the composition, process for preparing shaped articles using the composition, and shaped articles so-formed Sep 18, 1991 Issued
Array ( [id] => 2897946 [patent_doc_number] => 05248342 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-09-28 [patent_title] => 'Methods for processing battery waste and other lead-contaminated materials' [patent_app_type] => 1 [patent_app_number] => 7/760516 [patent_app_country] => US [patent_app_date] => 1991-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4997 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/248/05248342.pdf [firstpage_image] =>[orig_patent_app_number] => 760516 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/760516
Methods for processing battery waste and other lead-contaminated materials Sep 15, 1991 Issued
Array ( [id] => 2931577 [patent_doc_number] => 05260040 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-09 [patent_title] => 'Extraction and recovery of gold' [patent_app_type] => 1 [patent_app_number] => 7/761873 [patent_app_country] => US [patent_app_date] => 1991-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2644 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/260/05260040.pdf [firstpage_image] =>[orig_patent_app_number] => 761873 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/761873
Extraction and recovery of gold Sep 11, 1991 Issued
Array ( [id] => 3042935 [patent_doc_number] => 05324352 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-06-28 [patent_title] => 'Non-aqueous patching mix and method' [patent_app_type] => 1 [patent_app_number] => 7/758535 [patent_app_country] => US [patent_app_date] => 1991-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1197 [patent_no_of_claims] => 13 [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] => patents/05/324/05324352.pdf [firstpage_image] =>[orig_patent_app_number] => 758535 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/758535
Non-aqueous patching mix and method Sep 8, 1991 Issued
Array ( [id] => 3010670 [patent_doc_number] => 05302196 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-04-12 [patent_title] => 'Modified cellulose ethers and the use thereof in dispersion paints' [patent_app_type] => 1 [patent_app_number] => 7/756821 [patent_app_country] => US [patent_app_date] => 1991-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4073 [patent_no_of_claims] => 16 [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/05/302/05302196.pdf [firstpage_image] =>[orig_patent_app_number] => 756821 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/756821
Modified cellulose ethers and the use thereof in dispersion paints Sep 8, 1991 Issued
07/754898 SALT FREE ANTIOXIDANT COATINGS FOR MIRRORS Sep 3, 1991 Abandoned
Array ( [id] => 2977742 [patent_doc_number] => 05266122 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-30 [patent_title] => 'Method for fixing blast/cleaning waste' [patent_app_type] => 1 [patent_app_number] => 7/750959 [patent_app_country] => US [patent_app_date] => 1991-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2523 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/266/05266122.pdf [firstpage_image] =>[orig_patent_app_number] => 750959 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/750959
Method for fixing blast/cleaning waste Aug 27, 1991 Issued
Array ( [id] => 2780839 [patent_doc_number] => 05154845 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-10-13 [patent_title] => 'Fluorine containing lubricating composition for relatively moving metal surfaces' [patent_app_type] => 1 [patent_app_number] => 7/752285 [patent_app_country] => US [patent_app_date] => 1991-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 3103 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/154/05154845.pdf [firstpage_image] =>[orig_patent_app_number] => 752285 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/752285
Fluorine containing lubricating composition for relatively moving metal surfaces Aug 22, 1991 Issued
07/748086 PAPERMAKING COMPOSITION, PROCESS USING SAME, AND PAPER PRODUCED THEREFROM Aug 20, 1991 Abandoned
Array ( [id] => 3066635 [patent_doc_number] => 05296024 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-22 [patent_title] => 'Papermaking compositions, process using same, and paper produced therefrom' [patent_app_type] => 1 [patent_app_number] => 7/748098 [patent_app_country] => US [patent_app_date] => 1991-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7222 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/296/05296024.pdf [firstpage_image] =>[orig_patent_app_number] => 748098 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/748098
Papermaking compositions, process using same, and paper produced therefrom Aug 20, 1991 Issued
07/748107 PROCESS FOR REMOVING METAL CONTAMINANTS FROM SOILS Aug 20, 1991 Abandoned
07/746394 COATING COMPOSITION AND ITS USE Aug 15, 1991 Abandoned
Array ( [id] => 3400321 [patent_doc_number] => RE034996 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-07-18 [patent_title] => 'Process for cracking metal-containing hydrocarbon feedstocks' [patent_app_type] => 2 [patent_app_number] => 7/745541 [patent_app_country] => US [patent_app_date] => 1991-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2935 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/RE/034/RE034996.pdf [firstpage_image] =>[orig_patent_app_number] => 745541 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/745541
Process for cracking metal-containing hydrocarbon feedstocks Aug 14, 1991 Issued
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