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] => 2742048 [patent_doc_number] => 05030289 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-09 [patent_title] => 'Durable and highly stable molded construction parts' [patent_app_type] => 1 [patent_app_number] => 7/465599 [patent_app_country] => US [patent_app_date] => 1990-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4330 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/030/05030289.pdf [firstpage_image] =>[orig_patent_app_number] => 465599 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/465599
Durable and highly stable molded construction parts Jan 18, 1990 Issued
07/467055 METHOD FOR CRYSTALLIZING ANHYDROUS FRUCTOSE FROM ITS AQUEOUS SOLUTIONS Jan 17, 1990 Abandoned
07/466622 PRECERAMIC COMPOSITIONS AND CERAMIC PRODUCTS Jan 16, 1990 Issued
Array ( [id] => 2587252 [patent_doc_number] => 04963551 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-10-16 [patent_title] => 'Stable lyophilized form of (S)-(+)-bis-4,4\'-(1-methyl-1,2-ethanediyl)2,6-piperazinedione and solutions thereof' [patent_app_type] => 1 [patent_app_number] => 7/463844 [patent_app_country] => US [patent_app_date] => 1990-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3121 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 25 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/963/04963551.pdf [firstpage_image] =>[orig_patent_app_number] => 463844 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/463844
Stable lyophilized form of (S)-(+)-bis-4,4'-(1-methyl-1,2-ethanediyl)2,6-piperazinedione and solutions thereof Jan 11, 1990 Issued
Array ( [id] => 2633324 [patent_doc_number] => 04957941 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-18 [patent_title] => 'Anti-spasmdoic agents having an acetylenic bond' [patent_app_type] => 1 [patent_app_number] => 7/463892 [patent_app_country] => US [patent_app_date] => 1990-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1576 [patent_no_of_claims] => 18 [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/04/957/04957941.pdf [firstpage_image] =>[orig_patent_app_number] => 463892 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/463892
Anti-spasmdoic agents having an acetylenic bond Jan 8, 1990 Issued
07/449067 HIGH DENSITY HIGH STRENGTH ALPHA SIALON BASED ARTICLE AND PROCESS FOR PRODUCING SAME Dec 17, 1989 Abandoned
90/001915 PROCESS FOR MAKING A POLYMER MATRIX CONTAINING NON-CENTROSYMMETRIC CRYSTALS Dec 7, 1989 Pending
Array ( [id] => 2725964 [patent_doc_number] => 05032179 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-16 [patent_title] => 'Binder composition, an air drying lacquer comprising the composition and use of the composition in an air drying lacquer' [patent_app_type] => 1 [patent_app_number] => 7/435469 [patent_app_country] => US [patent_app_date] => 1989-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5767 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/032/05032179.pdf [firstpage_image] =>[orig_patent_app_number] => 435469 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/435469
Binder composition, an air drying lacquer comprising the composition and use of the composition in an air drying lacquer Dec 5, 1989 Issued
07/443958 SILICON NITRIDE BASE SINTERED BODY Nov 30, 1989 Abandoned
Array ( [id] => 2727042 [patent_doc_number] => 05039341 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-08-13 [patent_title] => 'Binder composition comprises a blend of a high viscosity and low viscosity hydroxypropyl methylcellulose ether, and a tape joint composition containing such binder' [patent_app_type] => 1 [patent_app_number] => 7/435109 [patent_app_country] => US [patent_app_date] => 1989-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2898 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/039/05039341.pdf [firstpage_image] =>[orig_patent_app_number] => 435109 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/435109
Binder composition comprises a blend of a high viscosity and low viscosity hydroxypropyl methylcellulose ether, and a tape joint composition containing such binder Nov 12, 1989 Issued
07/433445 MODULATION OF AIDS VIRUS-RELATED EVENTS BY DOUBLE-STRANDED RNAS Nov 12, 1989 Abandoned
07/433267 STABLE, PUMPABLE AQUEOUS SUSPENSIONS OF PRECIPITATED SILICA PARTICULATES Nov 7, 1989 Abandoned
07/432352 PROCESS FOR THE PRODUCTION OF XYLOSE Nov 5, 1989 Abandoned
Array ( [id] => 2756154 [patent_doc_number] => 04994112 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-02-19 [patent_title] => 'Hydrophobically modified cellulosic thickeners for paper coating' [patent_app_type] => 1 [patent_app_number] => 7/429195 [patent_app_country] => US [patent_app_date] => 1989-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2187 [patent_no_of_claims] => 11 [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/04/994/04994112.pdf [firstpage_image] =>[orig_patent_app_number] => 429195 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/429195
Hydrophobically modified cellulosic thickeners for paper coating Oct 29, 1989 Issued
Array ( [id] => 2738196 [patent_doc_number] => 05028346 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-02 [patent_title] => 'Semi-conducting ceramic' [patent_app_type] => 1 [patent_app_number] => 7/428305 [patent_app_country] => US [patent_app_date] => 1989-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5599 [patent_no_of_claims] => 24 [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/05/028/05028346.pdf [firstpage_image] =>[orig_patent_app_number] => 428305 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/428305
Semi-conducting ceramic Oct 26, 1989 Issued
07/425788 PHOTO-INDUCED REVERSIBLE DISCONTINUOUS VOLUME CHANGES IN GELS Oct 22, 1989 Abandoned
Array ( [id] => 2616428 [patent_doc_number] => 04943544 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-07-24 [patent_title] => 'High strength, abrasion resistant refractory castable' [patent_app_type] => 1 [patent_app_number] => 7/420672 [patent_app_country] => US [patent_app_date] => 1989-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3462 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/943/04943544.pdf [firstpage_image] =>[orig_patent_app_number] => 420672 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/420672
High strength, abrasion resistant refractory castable Oct 9, 1989 Issued
Array ( [id] => 2960498 [patent_doc_number] => 05201947 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-04-13 [patent_title] => 'Preceramic compositions and ceramic products' [patent_app_type] => 1 [patent_app_number] => 7/414464 [patent_app_country] => US [patent_app_date] => 1989-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3168 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/201/05201947.pdf [firstpage_image] =>[orig_patent_app_number] => 414464 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/414464
Preceramic compositions and ceramic products Sep 28, 1989 Issued
Array ( [id] => 2699317 [patent_doc_number] => 04992101 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-02-12 [patent_title] => 'Process for the preparation of opaque diketopyrrolo-pyrrole pigments' [patent_app_type] => 1 [patent_app_number] => 7/409987 [patent_app_country] => US [patent_app_date] => 1989-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3366 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/992/04992101.pdf [firstpage_image] =>[orig_patent_app_number] => 409987 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/409987
Process for the preparation of opaque diketopyrrolo-pyrrole pigments Sep 18, 1989 Issued
Array ( [id] => 2739540 [patent_doc_number] => 05015293 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-05-14 [patent_title] => 'Method of forming a crosslinked chitosan polymer and product thereof' [patent_app_type] => 1 [patent_app_number] => 7/408975 [patent_app_country] => US [patent_app_date] => 1989-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1887 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/015/05015293.pdf [firstpage_image] =>[orig_patent_app_number] => 408975 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/408975
Method of forming a crosslinked chitosan polymer and product thereof Sep 17, 1989 Issued
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