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] => 3778461 [patent_doc_number] => 05735944 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-04-07 [patent_title] => 'Free flowing additive preparations, a process for producing them, and their use in powder coatings' [patent_app_type] => 1 [patent_app_number] => 8/650457 [patent_app_country] => US [patent_app_date] => 1996-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3269 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/735/05735944.pdf [firstpage_image] =>[orig_patent_app_number] => 650457 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/650457
Free flowing additive preparations, a process for producing them, and their use in powder coatings May 19, 1996 Issued
Array ( [id] => 3680283 [patent_doc_number] => 05662737 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-09-02 [patent_title] => 'Method for making rare earth metal oxide ceramic precursor compounds and use thereof' [patent_app_type] => 1 [patent_app_number] => 8/645105 [patent_app_country] => US [patent_app_date] => 1996-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6314 [patent_no_of_claims] => 12 [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/05/662/05662737.pdf [firstpage_image] =>[orig_patent_app_number] => 645105 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/645105
Method for making rare earth metal oxide ceramic precursor compounds and use thereof May 12, 1996 Issued
Array ( [id] => 3832192 [patent_doc_number] => 05743948 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-04-28 [patent_title] => 'Method for continuous production of varnish' [patent_app_type] => 1 [patent_app_number] => 8/644868 [patent_app_country] => US [patent_app_date] => 1996-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 6877 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/743/05743948.pdf [firstpage_image] =>[orig_patent_app_number] => 644868 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/644868
Method for continuous production of varnish May 9, 1996 Issued
Array ( [id] => 3869393 [patent_doc_number] => 05803961 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-08 [patent_title] => 'Integrated circuits having mixed layered superlattice materials and precursor solutions for use in a process of making the same' [patent_app_type] => 1 [patent_app_number] => 8/644588 [patent_app_country] => US [patent_app_date] => 1996-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 42 [patent_no_of_words] => 23722 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/803/05803961.pdf [firstpage_image] =>[orig_patent_app_number] => 644588 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/644588
Integrated circuits having mixed layered superlattice materials and precursor solutions for use in a process of making the same May 9, 1996 Issued
Array ( [id] => 3778401 [patent_doc_number] => 05840110 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-11-24 [patent_title] => 'Integrated circuits having mixed layered superlattice materials and precursor solutions for use in a process of making the same' [patent_app_type] => 1 [patent_app_number] => 8/644453 [patent_app_country] => US [patent_app_date] => 1996-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 42 [patent_no_of_words] => 23653 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/840/05840110.pdf [firstpage_image] =>[orig_patent_app_number] => 644453 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/644453
Integrated circuits having mixed layered superlattice materials and precursor solutions for use in a process of making the same May 9, 1996 Issued
Array ( [id] => 3686385 [patent_doc_number] => 05679146 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-10-21 [patent_title] => 'Moulding materials and spinning materials containing cellulose' [patent_app_type] => 1 [patent_app_number] => 8/644260 [patent_app_country] => US [patent_app_date] => 1996-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 8616 [patent_no_of_claims] => 24 [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/05/679/05679146.pdf [firstpage_image] =>[orig_patent_app_number] => 644260 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/644260
Moulding materials and spinning materials containing cellulose May 9, 1996 Issued
Array ( [id] => 3654529 [patent_doc_number] => 05647898 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-07-15 [patent_title] => 'Composition and process for sizing paper' [patent_app_type] => 1 [patent_app_number] => 8/644844 [patent_app_country] => US [patent_app_date] => 1996-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7272 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/647/05647898.pdf [firstpage_image] =>[orig_patent_app_number] => 644844 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/644844
Composition and process for sizing paper May 8, 1996 Issued
Array ( [id] => 3735496 [patent_doc_number] => 05800602 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-01 [patent_title] => 'Use of inclusion compounds of cyclic polysaccharides as charge control agents' [patent_app_type] => 1 [patent_app_number] => 8/647067 [patent_app_country] => US [patent_app_date] => 1996-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12775 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 467 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/800/05800602.pdf [firstpage_image] =>[orig_patent_app_number] => 647067 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/647067
Use of inclusion compounds of cyclic polysaccharides as charge control agents May 8, 1996 Issued
Array ( [id] => 3854619 [patent_doc_number] => 05795397 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-08-18 [patent_title] => 'Chemically derivatized maltodextrins' [patent_app_type] => 1 [patent_app_number] => 8/643644 [patent_app_country] => US [patent_app_date] => 1996-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7095 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/795/05795397.pdf [firstpage_image] =>[orig_patent_app_number] => 643644 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/643644
Chemically derivatized maltodextrins May 5, 1996 Issued
Array ( [id] => 3651044 [patent_doc_number] => 05626666 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-05-06 [patent_title] => 'Milling agent for cements' [patent_app_type] => 1 [patent_app_number] => 8/639818 [patent_app_country] => US [patent_app_date] => 1996-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1153 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/626/05626666.pdf [firstpage_image] =>[orig_patent_app_number] => 639818 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/639818
Milling agent for cements Apr 28, 1996 Issued
08/637904 DIMETHYLALUMINUM HYDRIDE COMPOSITION, PROCESS FOR PRODUCING THE SAME AND METHOD OF REDUCING VISCOSITY OF DIMETHYLALUMINUM HYDRIDE Apr 25, 1996 Abandoned
Array ( [id] => 3842659 [patent_doc_number] => 05718750 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-02-17 [patent_title] => 'Sand composition having improved adhesion' [patent_app_type] => 1 [patent_app_number] => 8/637299 [patent_app_country] => US [patent_app_date] => 1996-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1542 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/718/05718750.pdf [firstpage_image] =>[orig_patent_app_number] => 637299 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/637299
Sand composition having improved adhesion Apr 23, 1996 Issued
Array ( [id] => 3680221 [patent_doc_number] => 05662733 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-09-02 [patent_title] => 'Viscosity and gel strength of organic adhesive compositions by the addition of acidic materials' [patent_app_type] => 1 [patent_app_number] => 8/630160 [patent_app_country] => US [patent_app_date] => 1996-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3824 [patent_no_of_claims] => 9 [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/05/662/05662733.pdf [firstpage_image] =>[orig_patent_app_number] => 630160 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/630160
Viscosity and gel strength of organic adhesive compositions by the addition of acidic materials Apr 9, 1996 Issued
08/623329 METHOD FOR CONTROLLING LOW TEMPERATURE PERFORMANCE OF ASPHALTIC COMPOSITIONS Mar 26, 1996 Abandoned
Array ( [id] => 3761878 [patent_doc_number] => 05755865 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-05-26 [patent_title] => 'Asphalt rejuvenater and recycled asphalt composition' [patent_app_type] => 1 [patent_app_number] => 8/620900 [patent_app_country] => US [patent_app_date] => 1996-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 15 [patent_no_of_words] => 11032 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/755/05755865.pdf [firstpage_image] =>[orig_patent_app_number] => 620900 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/620900
Asphalt rejuvenater and recycled asphalt composition Mar 24, 1996 Issued
Array ( [id] => 3982878 [patent_doc_number] => 05891234 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-04-06 [patent_title] => 'Spin on glass material and method for forming a semiconductor device by using improved spin on glass material' [patent_app_type] => 1 [patent_app_number] => 8/619086 [patent_app_country] => US [patent_app_date] => 1996-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 28 [patent_no_of_words] => 7440 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 14 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/891/05891234.pdf [firstpage_image] =>[orig_patent_app_number] => 619086 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/619086
Spin on glass material and method for forming a semiconductor device by using improved spin on glass material Mar 20, 1996 Issued
Array ( [id] => 3723766 [patent_doc_number] => 05693131 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-12-02 [patent_title] => 'Decomposable and compostable natural substance granulates from primarily late growth raw materials' [patent_app_type] => 1 [patent_app_number] => 8/618534 [patent_app_country] => US [patent_app_date] => 1996-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3016 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/693/05693131.pdf [firstpage_image] =>[orig_patent_app_number] => 618534 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/618534
Decomposable and compostable natural substance granulates from primarily late growth raw materials Mar 18, 1996 Issued
Array ( [id] => 3617023 [patent_doc_number] => 05611850 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-03-18 [patent_title] => 'Composition for anti-reflective coating on resist' [patent_app_type] => 1 [patent_app_number] => 8/618307 [patent_app_country] => US [patent_app_date] => 1996-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5073 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/611/05611850.pdf [firstpage_image] =>[orig_patent_app_number] => 618307 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/618307
Composition for anti-reflective coating on resist Mar 17, 1996 Issued
Array ( [id] => 3660451 [patent_doc_number] => 05648304 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-07-15 [patent_title] => 'Oxygen permeable mixed conductor membranes' [patent_app_type] => 1 [patent_app_number] => 8/615580 [patent_app_country] => US [patent_app_date] => 1996-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6550 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/648/05648304.pdf [firstpage_image] =>[orig_patent_app_number] => 615580 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/615580
Oxygen permeable mixed conductor membranes Mar 12, 1996 Issued
Array ( [id] => 3679898 [patent_doc_number] => 05690725 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-11-25 [patent_title] => 'Formulation for infusion of fruit' [patent_app_type] => 1 [patent_app_number] => 8/610182 [patent_app_country] => US [patent_app_date] => 1996-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1825 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/690/05690725.pdf [firstpage_image] =>[orig_patent_app_number] => 610182 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/610182
Formulation for infusion of fruit Mar 3, 1996 Issued
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