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] => 2987197 [patent_doc_number] => 05362313 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-11-08 [patent_title] => 'Coating composition and its use' [patent_app_type] => 1 [patent_app_number] => 8/152954 [patent_app_country] => US [patent_app_date] => 1993-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2071 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/362/05362313.pdf [firstpage_image] =>[orig_patent_app_number] => 152954 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/152954
Coating composition and its use Nov 14, 1993 Issued
Array ( [id] => 3116263 [patent_doc_number] => 05435844 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-07-25 [patent_title] => 'Cellulose sponge using non-woody pulp as raw material and method of producing the same' [patent_app_type] => 1 [patent_app_number] => 8/151896 [patent_app_country] => US [patent_app_date] => 1993-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1034 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 20 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/435/05435844.pdf [firstpage_image] =>[orig_patent_app_number] => 151896 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/151896
Cellulose sponge using non-woody pulp as raw material and method of producing the same Nov 14, 1993 Issued
Array ( [id] => 3547547 [patent_doc_number] => 05492560 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-02-20 [patent_title] => 'Treatment of inorganic pigments with carboxymethylcellulose compounds' [patent_app_type] => 1 [patent_app_number] => 8/150507 [patent_app_country] => US [patent_app_date] => 1993-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3020 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/492/05492560.pdf [firstpage_image] =>[orig_patent_app_number] => 150507 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/150507
Treatment of inorganic pigments with carboxymethylcellulose compounds Nov 9, 1993 Issued
Array ( [id] => 2999142 [patent_doc_number] => 05374304 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-12-20 [patent_title] => 'Special amyloses and their use for producing biodegradable plastics' [patent_app_type] => 1 [patent_app_number] => 8/145718 [patent_app_country] => US [patent_app_date] => 1993-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4008 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/374/05374304.pdf [firstpage_image] =>[orig_patent_app_number] => 145718 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/145718
Special amyloses and their use for producing biodegradable plastics Nov 3, 1993 Issued
Array ( [id] => 3473369 [patent_doc_number] => 05399191 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-03-21 [patent_title] => 'Compositions for the impregnation of mineral building materials' [patent_app_type] => 1 [patent_app_number] => 8/143592 [patent_app_country] => US [patent_app_date] => 1993-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3891 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/399/05399191.pdf [firstpage_image] =>[orig_patent_app_number] => 143592 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/143592
Compositions for the impregnation of mineral building materials Oct 31, 1993 Issued
Array ( [id] => 3533087 [patent_doc_number] => 05494509 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-02-27 [patent_title] => 'Paper coating composition with increased thickener efficiency' [patent_app_type] => 1 [patent_app_number] => 8/143094 [patent_app_country] => US [patent_app_date] => 1993-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3668 [patent_no_of_claims] => 7 [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] => patents/05/494/05494509.pdf [firstpage_image] =>[orig_patent_app_number] => 143094 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/143094
Paper coating composition with increased thickener efficiency Oct 28, 1993 Issued
Array ( [id] => 3451071 [patent_doc_number] => 05472489 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-12-05 [patent_title] => 'Solvent compositions for use in pressure-sensitive copying paper' [patent_app_type] => 1 [patent_app_number] => 8/141606 [patent_app_country] => US [patent_app_date] => 1993-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8627 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/472/05472489.pdf [firstpage_image] =>[orig_patent_app_number] => 141606 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/141606
Solvent compositions for use in pressure-sensitive copying paper Oct 26, 1993 Issued
Array ( [id] => 3406600 [patent_doc_number] => 05443633 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-08-22 [patent_title] => 'Soil treatment with polymeric hydrogen siloxane' [patent_app_type] => 1 [patent_app_number] => 8/141414 [patent_app_country] => US [patent_app_date] => 1993-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1870 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/443/05443633.pdf [firstpage_image] =>[orig_patent_app_number] => 141414 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/141414
Soil treatment with polymeric hydrogen siloxane Oct 21, 1993 Issued
08/139380 PROCESS FOR INCORPORATING A HYDROPHOBIC COMPOUND INTO AN AQUEOUS MEDIUM Oct 19, 1993 Abandoned
Array ( [id] => 3418434 [patent_doc_number] => 05421876 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-06-06 [patent_title] => 'Solvent-free, organoclay-filled asphaltic polyurethane dispersion and method of making and using it' [patent_app_type] => 1 [patent_app_number] => 8/138562 [patent_app_country] => US [patent_app_date] => 1993-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8416 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/421/05421876.pdf [firstpage_image] =>[orig_patent_app_number] => 138562 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/138562
Solvent-free, organoclay-filled asphaltic polyurethane dispersion and method of making and using it Oct 17, 1993 Issued
Array ( [id] => 3455631 [patent_doc_number] => 05391225 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-02-21 [patent_title] => 'Alkenylsuccini acid emulsion sizing agent' [patent_app_type] => 1 [patent_app_number] => 8/134904 [patent_app_country] => US [patent_app_date] => 1993-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5711 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/391/05391225.pdf [firstpage_image] =>[orig_patent_app_number] => 134904 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/134904
Alkenylsuccini acid emulsion sizing agent Oct 12, 1993 Issued
Array ( [id] => 2983477 [patent_doc_number] => 05346543 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-09-13 [patent_title] => 'Deinking agent for reclaiming waste paper' [patent_app_type] => 1 [patent_app_number] => 8/135909 [patent_app_country] => US [patent_app_date] => 1993-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3668 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 29 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/346/05346543.pdf [firstpage_image] =>[orig_patent_app_number] => 135909 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/135909
Deinking agent for reclaiming waste paper Oct 12, 1993 Issued
Array ( [id] => 3489588 [patent_doc_number] => 05439854 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-08-08 [patent_title] => 'TiC-base/SiC whisker composite ceramic cutting tools' [patent_app_type] => 1 [patent_app_number] => 8/131571 [patent_app_country] => US [patent_app_date] => 1993-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 8185 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/439/05439854.pdf [firstpage_image] =>[orig_patent_app_number] => 131571 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/131571
TiC-base/SiC whisker composite ceramic cutting tools Oct 3, 1993 Issued
Array ( [id] => 3436389 [patent_doc_number] => 05429673 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-07-04 [patent_title] => 'Binary vapor adhesion promoters and methods of using the same' [patent_app_type] => 1 [patent_app_number] => 8/130620 [patent_app_country] => US [patent_app_date] => 1993-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3659 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/429/05429673.pdf [firstpage_image] =>[orig_patent_app_number] => 130620 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/130620
Binary vapor adhesion promoters and methods of using the same Sep 30, 1993 Issued
08/130156 LOW-VISCOSITY CEMENT COMPOSITION Sep 29, 1993 Abandoned
Array ( [id] => 3470393 [patent_doc_number] => 05431725 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-07-11 [patent_title] => 'Casein molded article and method for preparing the same' [patent_app_type] => 1 [patent_app_number] => 8/130028 [patent_app_country] => US [patent_app_date] => 1993-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2250 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 8 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/431/05431725.pdf [firstpage_image] =>[orig_patent_app_number] => 130028 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/130028
Casein molded article and method for preparing the same Sep 29, 1993 Issued
Array ( [id] => 3408092 [patent_doc_number] => 05411719 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-05-02 [patent_title] => 'Production of acid soluble titania' [patent_app_type] => 1 [patent_app_number] => 8/127296 [patent_app_country] => US [patent_app_date] => 1993-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 8059 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/411/05411719.pdf [firstpage_image] =>[orig_patent_app_number] => 127296 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/127296
Production of acid soluble titania Sep 23, 1993 Issued
08/108738 COMPOSITION FOR SURFACE TREATMENT Sep 19, 1993 Abandoned
Array ( [id] => 2993756 [patent_doc_number] => 05370729 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-12-06 [patent_title] => 'Food safe composition to facilitate soil removal' [patent_app_type] => 1 [patent_app_number] => 8/121773 [patent_app_country] => US [patent_app_date] => 1993-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3884 [patent_no_of_claims] => 16 [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/05/370/05370729.pdf [firstpage_image] =>[orig_patent_app_number] => 121773 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/121773
Food safe composition to facilitate soil removal Sep 14, 1993 Issued
Array ( [id] => 3057941 [patent_doc_number] => 05352285 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-10-04 [patent_title] => 'Microsurfacing system' [patent_app_type] => 1 [patent_app_number] => 8/117723 [patent_app_country] => US [patent_app_date] => 1993-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4069 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/352/05352285.pdf [firstpage_image] =>[orig_patent_app_number] => 117723 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/117723
Microsurfacing system Sep 6, 1993 Issued
Menu