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] => 2493986 [patent_doc_number] => 04824984 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-04-25 [patent_title] => 'Preparation of a catalyst for composition for the production of organohalosilanes' [patent_app_type] => 1 [patent_app_number] => 7/087607 [patent_app_country] => US [patent_app_date] => 1987-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4541 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/824/04824984.pdf [firstpage_image] =>[orig_patent_app_number] => 087607 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/087607
Preparation of a catalyst for composition for the production of organohalosilanes Aug 19, 1987 Issued
Array ( [id] => 2386353 [patent_doc_number] => 04764367 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-08-16 [patent_title] => 'Use of C.sub.8 -t-alkanols and C.sub.5 -C.sub.11 -omega-alken-1-ols in attracting insects' [patent_app_type] => 1 [patent_app_number] => 7/086907 [patent_app_country] => US [patent_app_date] => 1987-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 36 [patent_figures_cnt] => 46 [patent_no_of_words] => 17168 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/764/04764367.pdf [firstpage_image] =>[orig_patent_app_number] => 086907 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/086907
Use of C.sub.8 -t-alkanols and C.sub.5 -C.sub.11 -omega-alken-1-ols in attracting insects Aug 18, 1987 Issued
Array ( [id] => 2661675 [patent_doc_number] => 04946807 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-08-07 [patent_title] => 'Composite ceramic material reinforced with silicon carbide whiskers' [patent_app_type] => 1 [patent_app_number] => 7/086455 [patent_app_country] => US [patent_app_date] => 1987-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6102 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/946/04946807.pdf [firstpage_image] =>[orig_patent_app_number] => 086455 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/086455
Composite ceramic material reinforced with silicon carbide whiskers Aug 17, 1987 Issued
Array ( [id] => 2417954 [patent_doc_number] => 04788046 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-11-29 [patent_title] => 'Method for producing materials for co-sintering' [patent_app_type] => 1 [patent_app_number] => 7/085078 [patent_app_country] => US [patent_app_date] => 1987-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4310 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/788/04788046.pdf [firstpage_image] =>[orig_patent_app_number] => 085078 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/085078
Method for producing materials for co-sintering Aug 12, 1987 Issued
07/083242 FLUORINE-CONTAINING LUBRICATING COMPOSITION FOR RELATIVELY MOVING METAL SURFACES Aug 9, 1987 Abandoned
Array ( [id] => 2491543 [patent_doc_number] => 04843046 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-06-27 [patent_title] => 'Ceramic composition of high dielectric constant comprising PbO.sub.3, La.sub.2 O.sub.3, MO, ZrO.sub.2 and TiO.sub.2' [patent_app_type] => 1 [patent_app_number] => 7/082007 [patent_app_country] => US [patent_app_date] => 1987-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2745 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/843/04843046.pdf [firstpage_image] =>[orig_patent_app_number] => 082007 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/082007
Ceramic composition of high dielectric constant comprising PbO.sub.3, La.sub.2 O.sub.3, MO, ZrO.sub.2 and TiO.sub.2 Aug 3, 1987 Issued
Array ( [id] => 2565183 [patent_doc_number] => 04900558 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-02-13 [patent_title] => 'Sustained release ibuprofen formulation including a core of ibuprofen and a microcrystalline cellulose and a covering of acrylic polymer and hydroxylated cellulose derivative' [patent_app_type] => 1 [patent_app_number] => 7/079206 [patent_app_country] => US [patent_app_date] => 1987-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2535 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/900/04900558.pdf [firstpage_image] =>[orig_patent_app_number] => 079206 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/079206
Sustained release ibuprofen formulation including a core of ibuprofen and a microcrystalline cellulose and a covering of acrylic polymer and hydroxylated cellulose derivative Jul 29, 1987 Issued
07/078561 SEMI-CONDUCTING CERAMIC Jul 27, 1987 Abandoned
07/078496 TIC-BASE/SIC WHISKER COMPOSITE CERAMIC CUTTING TOOLS Jul 27, 1987 Abandoned
Array ( [id] => 2481721 [patent_doc_number] => 04820522 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-04-11 [patent_title] => 'Oral sustained release acetaminophen formulation and process' [patent_app_type] => 1 [patent_app_number] => 7/078138 [patent_app_country] => US [patent_app_date] => 1987-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4359 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/820/04820522.pdf [firstpage_image] =>[orig_patent_app_number] => 078138 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/078138
Oral sustained release acetaminophen formulation and process Jul 26, 1987 Issued
Array ( [id] => 2415883 [patent_doc_number] => 04787936 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-11-29 [patent_title] => 'Hydraulic cement-based composition for dip coating of steel and iron articles' [patent_app_type] => 1 [patent_app_number] => 7/078238 [patent_app_country] => US [patent_app_date] => 1987-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5332 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 223 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/787/04787936.pdf [firstpage_image] =>[orig_patent_app_number] => 078238 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/078238
Hydraulic cement-based composition for dip coating of steel and iron articles Jul 26, 1987 Issued
Array ( [id] => 2553945 [patent_doc_number] => 04803187 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-02-07 [patent_title] => 'Alkane oxidation catalysts' [patent_app_type] => 1 [patent_app_number] => 7/076570 [patent_app_country] => US [patent_app_date] => 1987-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3882 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/803/04803187.pdf [firstpage_image] =>[orig_patent_app_number] => 076570 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/076570
Alkane oxidation catalysts Jul 19, 1987 Issued
Array ( [id] => 2438972 [patent_doc_number] => 04756762 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-07-12 [patent_title] => 'Magnesium phosphate cement systems' [patent_app_type] => 1 [patent_app_number] => 7/074527 [patent_app_country] => US [patent_app_date] => 1987-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2699 [patent_no_of_claims] => 16 [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/04/756/04756762.pdf [firstpage_image] =>[orig_patent_app_number] => 074527 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/074527
Magnesium phosphate cement systems Jul 15, 1987 Issued
Array ( [id] => 2549014 [patent_doc_number] => 04802923 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-02-07 [patent_title] => 'Benefaction of concrete and aggregate using calcium phosphate' [patent_app_type] => 1 [patent_app_number] => 7/073198 [patent_app_country] => US [patent_app_date] => 1987-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 3269 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/802/04802923.pdf [firstpage_image] =>[orig_patent_app_number] => 073198 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/073198
Benefaction of concrete and aggregate using calcium phosphate Jul 13, 1987 Issued
07/071116 SPRAY DRIED IBUPROFEN COMPOSITIONS Jul 7, 1987 Abandoned
Array ( [id] => 2483236 [patent_doc_number] => 04800028 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-01-24 [patent_title] => 'Polymers and lubricant additives of alkylene dithiothiadiazoles and alkylene cyanodithioimidocarbonates' [patent_app_type] => 1 [patent_app_number] => 7/069910 [patent_app_country] => US [patent_app_date] => 1987-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3109 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/800/04800028.pdf [firstpage_image] =>[orig_patent_app_number] => 069910 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/069910
Polymers and lubricant additives of alkylene dithiothiadiazoles and alkylene cyanodithioimidocarbonates Jul 5, 1987 Issued
Array ( [id] => 2483638 [patent_doc_number] => 04801392 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-01-31 [patent_title] => 'Magnetic recording compositions containing ionic dye compounds as initiators' [patent_app_type] => 1 [patent_app_number] => 7/069354 [patent_app_country] => US [patent_app_date] => 1987-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5655 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/801/04801392.pdf [firstpage_image] =>[orig_patent_app_number] => 069354 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/069354
Magnetic recording compositions containing ionic dye compounds as initiators Jul 1, 1987 Issued
Array ( [id] => 2388117 [patent_doc_number] => 04769077 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-09-06 [patent_title] => 'Cementitious grout patching formulations and processes' [patent_app_type] => 1 [patent_app_number] => 7/068889 [patent_app_country] => US [patent_app_date] => 1987-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4990 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/769/04769077.pdf [firstpage_image] =>[orig_patent_app_number] => 068889 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/068889
Cementitious grout patching formulations and processes Jun 29, 1987 Issued
Array ( [id] => 2440654 [patent_doc_number] => 04792360 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-12-20 [patent_title] => 'Workable cement composition of low water content containing a hydroxyalkyl (meth)acrylate polymer' [patent_app_type] => 1 [patent_app_number] => 7/067915 [patent_app_country] => US [patent_app_date] => 1987-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2781 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 27 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/792/04792360.pdf [firstpage_image] =>[orig_patent_app_number] => 067915 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/067915
Workable cement composition of low water content containing a hydroxyalkyl (meth)acrylate polymer Jun 29, 1987 Issued
Array ( [id] => 2576956 [patent_doc_number] => 04939817 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-07-10 [patent_title] => 'Process and device for separating a sulfur-lye suspension' [patent_app_type] => 1 [patent_app_number] => 7/066598 [patent_app_country] => US [patent_app_date] => 1987-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2007 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/939/04939817.pdf [firstpage_image] =>[orig_patent_app_number] => 066598 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/066598
Process and device for separating a sulfur-lye suspension Jun 25, 1987 Issued
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