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] => 3546905 [patent_doc_number] => 05518538 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-05-21 [patent_title] => 'Bitumen emulsions' [patent_app_type] => 1 [patent_app_number] => 8/461396 [patent_app_country] => US [patent_app_date] => 1995-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3543 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/518/05518538.pdf [firstpage_image] =>[orig_patent_app_number] => 461396 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/461396
Bitumen emulsions Jun 4, 1995 Issued
90/003858 LOW AYLOPECTIN STARCH Jun 1, 1995 Issued
Array ( [id] => 3491142 [patent_doc_number] => 05560964 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-10-01 [patent_title] => 'Minute-particle iron oxide red pigment slurry and method of manufacturing the same' [patent_app_type] => 1 [patent_app_number] => 8/457455 [patent_app_country] => US [patent_app_date] => 1995-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4628 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/560/05560964.pdf [firstpage_image] =>[orig_patent_app_number] => 457455 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/457455
Minute-particle iron oxide red pigment slurry and method of manufacturing the same May 31, 1995 Issued
Array ( [id] => 3547670 [patent_doc_number] => 05492568 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-02-20 [patent_title] => 'Starch-based adhesive' [patent_app_type] => 1 [patent_app_number] => 8/456123 [patent_app_country] => US [patent_app_date] => 1995-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2916 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/492/05492568.pdf [firstpage_image] =>[orig_patent_app_number] => 456123 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/456123
Starch-based adhesive May 30, 1995 Issued
Array ( [id] => 3595450 [patent_doc_number] => 05578117 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-11-26 [patent_title] => 'Correction fluid' [patent_app_type] => 1 [patent_app_number] => 8/450519 [patent_app_country] => US [patent_app_date] => 1995-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3814 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/578/05578117.pdf [firstpage_image] =>[orig_patent_app_number] => 450519 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/450519
Correction fluid May 24, 1995 Issued
Array ( [id] => 3527372 [patent_doc_number] => 05556453 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-09-17 [patent_title] => 'Method of increasing misting in sprayable dispersion of collidal silica with xanthan gum' [patent_app_type] => 1 [patent_app_number] => 8/439999 [patent_app_country] => US [patent_app_date] => 1995-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1360 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/556/05556453.pdf [firstpage_image] =>[orig_patent_app_number] => 439999 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/439999
Method of increasing misting in sprayable dispersion of collidal silica with xanthan gum May 11, 1995 Issued
Array ( [id] => 3688759 [patent_doc_number] => 05618341 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-04-08 [patent_title] => 'Methods for uniformly dispersing fibers within starch-based compositions' [patent_app_type] => 1 [patent_app_number] => 8/439877 [patent_app_country] => US [patent_app_date] => 1995-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 23890 [patent_no_of_claims] => 54 [patent_no_of_ind_claims] => 13 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/618/05618341.pdf [firstpage_image] =>[orig_patent_app_number] => 439877 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/439877
Methods for uniformly dispersing fibers within starch-based compositions May 11, 1995 Issued
Array ( [id] => 4041093 [patent_doc_number] => 05911963 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-06-15 [patent_title] => 'Amorphous precipitated silica having a low proportion of small pores' [patent_app_type] => 1 [patent_app_number] => 8/439731 [patent_app_country] => US [patent_app_date] => 1995-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7729 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/911/05911963.pdf [firstpage_image] =>[orig_patent_app_number] => 439731 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/439731
Amorphous precipitated silica having a low proportion of small pores May 11, 1995 Issued
08/435915 PROCESS FOR THE MALEATION OF POLYETHYLENE WAXES May 4, 1995 Abandoned
Array ( [id] => 3507857 [patent_doc_number] => 05512091 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-04-30 [patent_title] => 'Associative polymer hydrogels' [patent_app_type] => 1 [patent_app_number] => 8/435016 [patent_app_country] => US [patent_app_date] => 1995-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2894 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/512/05512091.pdf [firstpage_image] =>[orig_patent_app_number] => 435016 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/435016
Associative polymer hydrogels May 3, 1995 Issued
Array ( [id] => 3589015 [patent_doc_number] => 05487778 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-01-30 [patent_title] => 'Surfactant composition and method of making the same' [patent_app_type] => 1 [patent_app_number] => 8/432277 [patent_app_country] => US [patent_app_date] => 1995-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3739 [patent_no_of_claims] => 9 [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/05/487/05487778.pdf [firstpage_image] =>[orig_patent_app_number] => 432277 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/432277
Surfactant composition and method of making the same Apr 30, 1995 Issued
Array ( [id] => 3486379 [patent_doc_number] => 05536307 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-07-16 [patent_title] => 'Pavement rejuvenator and dressing conditioner emulsions and jellies' [patent_app_type] => 1 [patent_app_number] => 8/429579 [patent_app_country] => US [patent_app_date] => 1995-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2665 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/536/05536307.pdf [firstpage_image] =>[orig_patent_app_number] => 429579 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/429579
Pavement rejuvenator and dressing conditioner emulsions and jellies Apr 26, 1995 Issued
Array ( [id] => 3574547 [patent_doc_number] => 05580376 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-12-03 [patent_title] => 'Asphalt improvement' [patent_app_type] => 1 [patent_app_number] => 8/428976 [patent_app_country] => US [patent_app_date] => 1995-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3877 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 15 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/580/05580376.pdf [firstpage_image] =>[orig_patent_app_number] => 428976 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/428976
Asphalt improvement Apr 25, 1995 Issued
Array ( [id] => 3644912 [patent_doc_number] => 05605567 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-02-25 [patent_title] => 'Method of producing cellulose dope' [patent_app_type] => 1 [patent_app_number] => 8/428315 [patent_app_country] => US [patent_app_date] => 1995-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6075 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/605/05605567.pdf [firstpage_image] =>[orig_patent_app_number] => 428315 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/428315
Method of producing cellulose dope Apr 23, 1995 Issued
Array ( [id] => 3583915 [patent_doc_number] => 05496400 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-03-05 [patent_title] => 'Asphalt compositions with improved cross-linking agent' [patent_app_type] => 1 [patent_app_number] => 8/425277 [patent_app_country] => US [patent_app_date] => 1995-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5958 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/496/05496400.pdf [firstpage_image] =>[orig_patent_app_number] => 425277 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/425277
Asphalt compositions with improved cross-linking agent Apr 19, 1995 Issued
Array ( [id] => 3546396 [patent_doc_number] => 05573583 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-11-12 [patent_title] => 'Method of activation of clay and activated clay' [patent_app_type] => 1 [patent_app_number] => 8/425533 [patent_app_country] => US [patent_app_date] => 1995-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4697 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/573/05573583.pdf [firstpage_image] =>[orig_patent_app_number] => 425533 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/425533
Method of activation of clay and activated clay Apr 19, 1995 Issued
Array ( [id] => 3582919 [patent_doc_number] => 05584920 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-12-17 [patent_title] => 'Sulphonated hydrocracking residues as concrete admixtures' [patent_app_type] => 1 [patent_app_number] => 8/426111 [patent_app_country] => US [patent_app_date] => 1995-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3587 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/584/05584920.pdf [firstpage_image] =>[orig_patent_app_number] => 426111 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/426111
Sulphonated hydrocracking residues as concrete admixtures Apr 19, 1995 Issued
08/423672 PROCESS FOR MAKING OLEOPHILIC STAPLE FIBER-REINFORCED PAVEMENT SUITABLE FOR MAKING AND REPAIRING A GEOWAY AND USE THEREOF Apr 16, 1995 Abandoned
Array ( [id] => 3507872 [patent_doc_number] => 05512092 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-04-30 [patent_title] => 'Method for preparing aqueous emulsion for coating solid pharmaceutical preparations' [patent_app_type] => 1 [patent_app_number] => 8/420569 [patent_app_country] => US [patent_app_date] => 1995-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3017 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/512/05512092.pdf [firstpage_image] =>[orig_patent_app_number] => 420569 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/420569
Method for preparing aqueous emulsion for coating solid pharmaceutical preparations Apr 11, 1995 Issued
Array ( [id] => 3547561 [patent_doc_number] => 05492561 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-02-20 [patent_title] => 'Process for liquefying tire rubber and product thereof' [patent_app_type] => 1 [patent_app_number] => 8/418352 [patent_app_country] => US [patent_app_date] => 1995-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4231 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/492/05492561.pdf [firstpage_image] =>[orig_patent_app_number] => 418352 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/418352
Process for liquefying tire rubber and product thereof Apr 6, 1995 Issued
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