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] => 4190964 [patent_doc_number] => 06013128 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-01-11 [patent_title] => 'Vapor barrier coating for polymeric articles' [patent_app_type] => 1 [patent_app_number] => 9/271218 [patent_app_country] => US [patent_app_date] => 1999-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6892 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/013/06013128.pdf [firstpage_image] =>[orig_patent_app_number] => 271218 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/271218
Vapor barrier coating for polymeric articles Mar 16, 1999 Issued
Array ( [id] => 4400648 [patent_doc_number] => 06238486 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-29 [patent_title] => 'Detectable cationic flocculant and method of using same in industrial food processes' [patent_app_type] => 1 [patent_app_number] => 9/266058 [patent_app_country] => US [patent_app_date] => 1999-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8672 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/238/06238486.pdf [firstpage_image] =>[orig_patent_app_number] => 266058 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/266058
Detectable cationic flocculant and method of using same in industrial food processes Mar 9, 1999 Issued
Array ( [id] => 4414877 [patent_doc_number] => 06224684 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-01 [patent_title] => 'Method for preparing raffinose crystals and equipment for the same' [patent_app_type] => 1 [patent_app_number] => 9/265546 [patent_app_country] => US [patent_app_date] => 1999-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3673 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/224/06224684.pdf [firstpage_image] =>[orig_patent_app_number] => 265546 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/265546
Method for preparing raffinose crystals and equipment for the same Mar 8, 1999 Issued
Array ( [id] => 4398038 [patent_doc_number] => 06231656 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-15 [patent_title] => 'Release agents for use in lignocellulosic processes and process for preparing molded lignocellulosic composites' [patent_app_type] => 1 [patent_app_number] => 9/252524 [patent_app_country] => US [patent_app_date] => 1999-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5204 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/231/06231656.pdf [firstpage_image] =>[orig_patent_app_number] => 252524 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/252524
Release agents for use in lignocellulosic processes and process for preparing molded lignocellulosic composites Feb 17, 1999 Issued
Array ( [id] => 4159150 [patent_doc_number] => 06156827 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-12-05 [patent_title] => 'Bituminous compositions prepared from thermoplastic polyolefins and their uses' [patent_app_type] => 1 [patent_app_number] => 9/251433 [patent_app_country] => US [patent_app_date] => 1999-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5716 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/156/06156827.pdf [firstpage_image] =>[orig_patent_app_number] => 251433 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/251433
Bituminous compositions prepared from thermoplastic polyolefins and their uses Feb 16, 1999 Issued
Array ( [id] => 4349219 [patent_doc_number] => 06190446 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-20 [patent_title] => 'Composition for splicing photographic films' [patent_app_type] => 1 [patent_app_number] => 9/250201 [patent_app_country] => US [patent_app_date] => 1999-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1602 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/190/06190446.pdf [firstpage_image] =>[orig_patent_app_number] => 250201 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/250201
Composition for splicing photographic films Feb 15, 1999 Issued
Array ( [id] => 4186514 [patent_doc_number] => 06093667 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-07-25 [patent_title] => 'Ceramics with excellent electrostrictive property' [patent_app_type] => 1 [patent_app_number] => 9/248317 [patent_app_country] => US [patent_app_date] => 1999-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2825 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/093/06093667.pdf [firstpage_image] =>[orig_patent_app_number] => 248317 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/248317
Ceramics with excellent electrostrictive property Feb 10, 1999 Issued
Array ( [id] => 4181042 [patent_doc_number] => 06153003 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-11-28 [patent_title] => 'Process for preparing a homogeneous cellulose solution using N-methylmorpholine-N-oxide' [patent_app_type] => 1 [patent_app_number] => 9/147369 [patent_app_country] => US [patent_app_date] => 1999-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2621 [patent_no_of_claims] => 5 [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/06/153/06153003.pdf [firstpage_image] =>[orig_patent_app_number] => 147369 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/147369
Process for preparing a homogeneous cellulose solution using N-methylmorpholine-N-oxide Feb 9, 1999 Issued
Array ( [id] => 4148106 [patent_doc_number] => 06156112 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-12-05 [patent_title] => 'High solids aqueous dispersions of reactive hydrophobizing agents' [patent_app_type] => 1 [patent_app_number] => 9/248124 [patent_app_country] => US [patent_app_date] => 1999-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6595 [patent_no_of_claims] => 20 [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/06/156/06156112.pdf [firstpage_image] =>[orig_patent_app_number] => 248124 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/248124
High solids aqueous dispersions of reactive hydrophobizing agents Feb 9, 1999 Issued
Array ( [id] => 4106501 [patent_doc_number] => 06045608 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-04-04 [patent_title] => 'Apparatus and process for manufacturing asphalt' [patent_app_type] => 1 [patent_app_number] => 9/246923 [patent_app_country] => US [patent_app_date] => 1999-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2931 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/045/06045608.pdf [firstpage_image] =>[orig_patent_app_number] => 246923 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/246923
Apparatus and process for manufacturing asphalt Feb 8, 1999 Issued
Array ( [id] => 4304831 [patent_doc_number] => 06241812 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-06-05 [patent_title] => 'Acid-stable and cationic-compatible cellulose compositions and methods of preparation' [patent_app_type] => 1 [patent_app_number] => 9/245092 [patent_app_country] => US [patent_app_date] => 1999-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7715 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/241/06241812.pdf [firstpage_image] =>[orig_patent_app_number] => 245092 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/245092
Acid-stable and cationic-compatible cellulose compositions and methods of preparation Feb 4, 1999 Issued
Array ( [id] => 4411792 [patent_doc_number] => 06193805 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-27 [patent_title] => 'Diffuser' [patent_app_type] => 1 [patent_app_number] => 9/243819 [patent_app_country] => US [patent_app_date] => 1999-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1547 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/193/06193805.pdf [firstpage_image] =>[orig_patent_app_number] => 243819 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/243819
Diffuser Feb 2, 1999 Issued
Array ( [id] => 4123536 [patent_doc_number] => 06120612 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-09-19 [patent_title] => 'Method for the continuous manufacture of anhydrous crystalline maltitol and a manufacturing apparatus therefor' [patent_app_type] => 1 [patent_app_number] => 9/237783 [patent_app_country] => US [patent_app_date] => 1999-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 7828 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/120/06120612.pdf [firstpage_image] =>[orig_patent_app_number] => 237783 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/237783
Method for the continuous manufacture of anhydrous crystalline maltitol and a manufacturing apparatus therefor Jan 25, 1999 Issued
Array ( [id] => 4226126 [patent_doc_number] => 06165256 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-12-26 [patent_title] => 'Photocatalytically hydrophilifiable coating composition' [patent_app_type] => 1 [patent_app_number] => 9/232494 [patent_app_country] => US [patent_app_date] => 1999-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 12978 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 13 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/165/06165256.pdf [firstpage_image] =>[orig_patent_app_number] => 232494 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/232494
Photocatalytically hydrophilifiable coating composition Jan 14, 1999 Issued
Array ( [id] => 4266895 [patent_doc_number] => 06280518 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-08-28 [patent_title] => 'Organic titanium compound suitable for MOCVD' [patent_app_type] => 1 [patent_app_number] => 9/231300 [patent_app_country] => US [patent_app_date] => 1999-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 12134 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/280/06280518.pdf [firstpage_image] =>[orig_patent_app_number] => 231300 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/231300
Organic titanium compound suitable for MOCVD Jan 14, 1999 Issued
Array ( [id] => 4123360 [patent_doc_number] => 06146453 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-11-14 [patent_title] => 'Method and apparatus for recovering and recycling sludge and product thereof' [patent_app_type] => 1 [patent_app_number] => 9/231012 [patent_app_country] => US [patent_app_date] => 1999-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2776 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/146/06146453.pdf [firstpage_image] =>[orig_patent_app_number] => 231012 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/231012
Method and apparatus for recovering and recycling sludge and product thereof Jan 13, 1999 Issued
Array ( [id] => 4175323 [patent_doc_number] => 06159302 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-12-12 [patent_title] => 'Neutral phosphate pre-coagulant composition for clarification in white sugar production' [patent_app_type] => 1 [patent_app_number] => 9/231384 [patent_app_country] => US [patent_app_date] => 1999-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1789 [patent_no_of_claims] => 20 [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/06/159/06159302.pdf [firstpage_image] =>[orig_patent_app_number] => 231384 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/231384
Neutral phosphate pre-coagulant composition for clarification in white sugar production Jan 12, 1999 Issued
Array ( [id] => 4123548 [patent_doc_number] => 06146465 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-11-14 [patent_title] => 'Methods for clarifying sugar solutions' [patent_app_type] => 1 [patent_app_number] => 9/229797 [patent_app_country] => US [patent_app_date] => 1999-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1387 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/146/06146465.pdf [firstpage_image] =>[orig_patent_app_number] => 229797 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/229797
Methods for clarifying sugar solutions Jan 12, 1999 Issued
Array ( [id] => 4170878 [patent_doc_number] => 06036762 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-03-14 [patent_title] => 'Alcohol-based precursor solutions for producing metal phosphate materials and coating' [patent_app_type] => 1 [patent_app_number] => 9/225630 [patent_app_country] => US [patent_app_date] => 1999-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1756 [patent_no_of_claims] => 8 [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/06/036/06036762.pdf [firstpage_image] =>[orig_patent_app_number] => 225630 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/225630
Alcohol-based precursor solutions for producing metal phosphate materials and coating Jan 4, 1999 Issued
Array ( [id] => 4056806 [patent_doc_number] => 06007636 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-28 [patent_title] => 'Method to recycle an aqueous acidic liquor used for depolymerization of cellulose' [patent_app_type] => 1 [patent_app_number] => 9/224700 [patent_app_country] => US [patent_app_date] => 1999-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 4776 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 391 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/007/06007636.pdf [firstpage_image] =>[orig_patent_app_number] => 224700 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/224700
Method to recycle an aqueous acidic liquor used for depolymerization of cellulose Jan 3, 1999 Issued
Menu