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] => 3735539 [patent_doc_number] => 05800605 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-01 [patent_title] => 'Process for the preparation of electrostatically charged particles' [patent_app_type] => 1 [patent_app_number] => 8/750754 [patent_app_country] => US [patent_app_date] => 1997-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 1740 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 16 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/800/05800605.pdf [firstpage_image] =>[orig_patent_app_number] => 750754 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/750754
Process for the preparation of electrostatically charged particles Mar 20, 1997 Issued
Array ( [id] => 3778472 [patent_doc_number] => 05735945 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-04-07 [patent_title] => 'Static charge-suppressing release agent compositions' [patent_app_type] => 1 [patent_app_number] => 8/821993 [patent_app_country] => US [patent_app_date] => 1997-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2944 [patent_no_of_claims] => 14 [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] => patents/05/735/05735945.pdf [firstpage_image] =>[orig_patent_app_number] => 821993 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/821993
Static charge-suppressing release agent compositions Mar 20, 1997 Issued
Array ( [id] => 3720214 [patent_doc_number] => 05702515 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-12-30 [patent_title] => 'Stabilised solutions of polysaccharide' [patent_app_type] => 1 [patent_app_number] => 8/809399 [patent_app_country] => US [patent_app_date] => 1997-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3997 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/702/05702515.pdf [firstpage_image] =>[orig_patent_app_number] => 809399 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/809399
Stabilised solutions of polysaccharide Mar 20, 1997 Issued
Array ( [id] => 3826856 [patent_doc_number] => 05759938 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-06-02 [patent_title] => 'Process for producing organoclays with quaternary ammonium compositions made using non volatile diluents' [patent_app_type] => 1 [patent_app_number] => 8/820498 [patent_app_country] => US [patent_app_date] => 1997-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 9709 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/759/05759938.pdf [firstpage_image] =>[orig_patent_app_number] => 820498 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/820498
Process for producing organoclays with quaternary ammonium compositions made using non volatile diluents Mar 18, 1997 Issued
Array ( [id] => 4016014 [patent_doc_number] => 05925181 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-07-20 [patent_title] => 'pH-sensitive modified cellulose ester' [patent_app_type] => 1 [patent_app_number] => 8/819932 [patent_app_country] => US [patent_app_date] => 1997-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6492 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/925/05925181.pdf [firstpage_image] =>[orig_patent_app_number] => 819932 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/819932
pH-sensitive modified cellulose ester Mar 17, 1997 Issued
08/809074 CALCIUM-BASE FILLER AND PROCESS FOR PRODUCING THE SAME Mar 13, 1997 Abandoned
Array ( [id] => 3778387 [patent_doc_number] => 05840109 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-11-24 [patent_title] => 'Mixtures of bitumen and olefin polymers suitable for modifying bitumens' [patent_app_type] => 1 [patent_app_number] => 8/804724 [patent_app_country] => US [patent_app_date] => 1997-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4830 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/840/05840109.pdf [firstpage_image] =>[orig_patent_app_number] => 804724 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/804724
Mixtures of bitumen and olefin polymers suitable for modifying bitumens Feb 20, 1997 Issued
Array ( [id] => 3738642 [patent_doc_number] => 05716444 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-02-10 [patent_title] => 'Non-stick liquid composition for food-contacting cooking surfaces and a method of using the composition' [patent_app_type] => 1 [patent_app_number] => 8/800566 [patent_app_country] => US [patent_app_date] => 1997-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1932 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/716/05716444.pdf [firstpage_image] =>[orig_patent_app_number] => 800566 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/800566
Non-stick liquid composition for food-contacting cooking surfaces and a method of using the composition Feb 17, 1997 Issued
Array ( [id] => 3750896 [patent_doc_number] => 05851272 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-12-22 [patent_title] => 'Non-oil organic spray wax compositions' [patent_app_type] => 1 [patent_app_number] => 8/799145 [patent_app_country] => US [patent_app_date] => 1997-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4980 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/851/05851272.pdf [firstpage_image] =>[orig_patent_app_number] => 799145 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/799145
Non-oil organic spray wax compositions Feb 13, 1997 Issued
Array ( [id] => 3816623 [patent_doc_number] => 05759249 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-06-02 [patent_title] => 'Sizing emulsion' [patent_app_type] => 1 [patent_app_number] => 8/795179 [patent_app_country] => US [patent_app_date] => 1997-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8397 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/759/05759249.pdf [firstpage_image] =>[orig_patent_app_number] => 795179 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/795179
Sizing emulsion Feb 3, 1997 Issued
Array ( [id] => 3679924 [patent_doc_number] => 05690727 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-11-25 [patent_title] => 'Thin films of ABO.sub.3 with excess B-site modifiers and method of fabricating integrated circuits with same' [patent_app_type] => 1 [patent_app_number] => 8/789469 [patent_app_country] => US [patent_app_date] => 1997-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 5174 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/690/05690727.pdf [firstpage_image] =>[orig_patent_app_number] => 789469 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/789469
Thin films of ABO.sub.3 with excess B-site modifiers and method of fabricating integrated circuits with same Jan 26, 1997 Issued
Array ( [id] => 3735525 [patent_doc_number] => 05800604 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-01 [patent_title] => 'Wax' [patent_app_type] => 1 [patent_app_number] => 8/722079 [patent_app_country] => US [patent_app_date] => 1997-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1760 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/800/05800604.pdf [firstpage_image] =>[orig_patent_app_number] => 722079 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/722079
Wax Jan 26, 1997 Issued
Array ( [id] => 3879715 [patent_doc_number] => 05713996 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-02-03 [patent_title] => 'Asphalt coating composition and method for coating a surface using the same' [patent_app_type] => 1 [patent_app_number] => 8/787180 [patent_app_country] => US [patent_app_date] => 1997-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4290 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/713/05713996.pdf [firstpage_image] =>[orig_patent_app_number] => 787180 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/787180
Asphalt coating composition and method for coating a surface using the same Jan 19, 1997 Issued
Array ( [id] => 3733015 [patent_doc_number] => 05785747 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-07-28 [patent_title] => 'Viscosification of high density brines' [patent_app_type] => 1 [patent_app_number] => 8/785197 [patent_app_country] => US [patent_app_date] => 1997-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7096 [patent_no_of_claims] => 51 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/785/05785747.pdf [firstpage_image] =>[orig_patent_app_number] => 785197 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/785197
Viscosification of high density brines Jan 16, 1997 Issued
Array ( [id] => 3762234 [patent_doc_number] => 05755890 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-05-26 [patent_title] => 'Starch-emulsifier composition and methods of making' [patent_app_type] => 1 [patent_app_number] => 8/783574 [patent_app_country] => US [patent_app_date] => 1997-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7711 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/755/05755890.pdf [firstpage_image] =>[orig_patent_app_number] => 783574 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/783574
Starch-emulsifier composition and methods of making Jan 14, 1997 Issued
Array ( [id] => 3806979 [patent_doc_number] => 05769934 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-06-23 [patent_title] => 'Method for producing microcrystalline cellulose' [patent_app_type] => 1 [patent_app_number] => 8/783776 [patent_app_country] => US [patent_app_date] => 1997-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7155 [patent_no_of_claims] => 35 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/769/05769934.pdf [firstpage_image] =>[orig_patent_app_number] => 783776 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/783776
Method for producing microcrystalline cellulose Jan 14, 1997 Issued
90/004521 POURABLE WATER DISPERSIBLE THICKENING COMPOSITION FOR AQUEOUS SYSTEMS AND A METHOD OF THICKENING SAID AQUEOUS SYSTEMS Jan 14, 1997 Issued
Array ( [id] => 3838942 [patent_doc_number] => 05766330 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-06-16 [patent_title] => 'Method of suspending insoluble calcium in protein composition' [patent_app_type] => 1 [patent_app_number] => 8/774861 [patent_app_country] => US [patent_app_date] => 1996-12-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6992 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/766/05766330.pdf [firstpage_image] =>[orig_patent_app_number] => 774861 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/774861
Method of suspending insoluble calcium in protein composition Dec 23, 1996 Issued
Array ( [id] => 3805525 [patent_doc_number] => 05788757 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-08-04 [patent_title] => 'Composition and process using ester solvents for fabricating metal oxide films and electronic devices including the same' [patent_app_type] => 1 [patent_app_number] => 8/770991 [patent_app_country] => US [patent_app_date] => 1996-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 14 [patent_no_of_words] => 9000 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/788/05788757.pdf [firstpage_image] =>[orig_patent_app_number] => 770991 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/770991
Composition and process using ester solvents for fabricating metal oxide films and electronic devices including the same Dec 22, 1996 Issued
Array ( [id] => 3761905 [patent_doc_number] => 05755867 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-05-26 [patent_title] => 'Photocatalytic hydrophilic coating compositions' [patent_app_type] => 1 [patent_app_number] => 8/777667 [patent_app_country] => US [patent_app_date] => 1996-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 17199 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/755/05755867.pdf [firstpage_image] =>[orig_patent_app_number] => 777667 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/777667
Photocatalytic hydrophilic coating compositions Dec 19, 1996 Issued
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