Search

David Robertson

Examiner (ID: 3091)

Most Active Art Unit
2121
Art Unit(s)
2163, 2127, 3623, 2121
Total Applications
304
Issued Applications
193
Pending Applications
23
Abandoned Applications
92

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 1948657 [patent_doc_number] => 04341897 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-07-27 [patent_title] => 'Pyranic derivatives for use in the preparation of muscone' [patent_app_type] => 1 [patent_app_number] => 6/249117 [patent_app_country] => US [patent_app_date] => 1981-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2169 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/341/04341897.pdf [firstpage_image] =>[orig_patent_app_number] => 249117 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/249117
Pyranic derivatives for use in the preparation of muscone Mar 29, 1981 Issued
Array ( [id] => 1975776 [patent_doc_number] => 04348325 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-09-07 [patent_title] => 'Methyl 3-azido-4-C-cyano-2,3,4,6-tetradeoxy-.alpha.-D-arabino-hexopyranoside' [patent_app_type] => 1 [patent_app_number] => 6/248178 [patent_app_country] => US [patent_app_date] => 1981-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2241 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/348/04348325.pdf [firstpage_image] =>[orig_patent_app_number] => 248178 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/248178
Methyl 3-azido-4-C-cyano-2,3,4,6-tetradeoxy-.alpha.-D-arabino-hexopyranoside Mar 29, 1981 Issued
Array ( [id] => 1975833 [patent_doc_number] => 04348336 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-09-07 [patent_title] => 'Process for the isolation of 1-naphthylamine-4,6- and 1-naphthylamine-4,7-disulphonic acid' [patent_app_type] => 1 [patent_app_number] => 6/247414 [patent_app_country] => US [patent_app_date] => 1981-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2771 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/348/04348336.pdf [firstpage_image] =>[orig_patent_app_number] => 247414 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/247414
Process for the isolation of 1-naphthylamine-4,6- and 1-naphthylamine-4,7-disulphonic acid Mar 24, 1981 Issued
Array ( [id] => 1933288 [patent_doc_number] => 04338261 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-07-06 [patent_title] => 'Process for the preparation of 1-naphthylamine-4,6-disulphonic acid and 1-naphthylamine-2,4,6-trisulphonic acid' [patent_app_type] => 1 [patent_app_number] => 6/247416 [patent_app_country] => US [patent_app_date] => 1981-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2784 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/338/04338261.pdf [firstpage_image] =>[orig_patent_app_number] => 247416 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/247416
Process for the preparation of 1-naphthylamine-4,6-disulphonic acid and 1-naphthylamine-2,4,6-trisulphonic acid Mar 24, 1981 Issued
Array ( [id] => 2039937 [patent_doc_number] => 04386037 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-05-31 [patent_title] => 'Sulphonic acids of tolyl ether sulphones' [patent_app_type] => 1 [patent_app_number] => 6/247204 [patent_app_country] => US [patent_app_date] => 1981-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2410 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/386/04386037.pdf [firstpage_image] =>[orig_patent_app_number] => 247204 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/247204
Sulphonic acids of tolyl ether sulphones Mar 23, 1981 Issued
Array ( [id] => 2035353 [patent_doc_number] => 04385004 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-05-24 [patent_title] => 'Esters of ortho-allylphenol useful for the preparation of arylacetic acid derivatives' [patent_app_type] => 1 [patent_app_number] => 6/246414 [patent_app_country] => US [patent_app_date] => 1981-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7335 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/385/04385004.pdf [firstpage_image] =>[orig_patent_app_number] => 246414 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/246414
Esters of ortho-allylphenol useful for the preparation of arylacetic acid derivatives Mar 22, 1981 Issued
Array ( [id] => 2041830 [patent_doc_number] => 04382926 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-05-10 [patent_title] => 'Formimidoyl A and B useful as semi-synthetic aminoglycosidic antibiotics' [patent_app_type] => 1 [patent_app_number] => 6/244232 [patent_app_country] => US [patent_app_date] => 1981-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4623 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 10 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/382/04382926.pdf [firstpage_image] =>[orig_patent_app_number] => 244232 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/244232
Formimidoyl A and B useful as semi-synthetic aminoglycosidic antibiotics Mar 15, 1981 Issued
Array ( [id] => 2033299 [patent_doc_number] => 04367340 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-01-04 [patent_title] => '4-Oxy-cyclopent-2-en-1-one derivative, a prostaglandin intermediate, and the process for its preparation' [patent_app_type] => 1 [patent_app_number] => 6/240451 [patent_app_country] => US [patent_app_date] => 1981-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12452 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 10 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/367/04367340.pdf [firstpage_image] =>[orig_patent_app_number] => 240451 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/240451
4-Oxy-cyclopent-2-en-1-one derivative, a prostaglandin intermediate, and the process for its preparation Mar 3, 1981 Issued
Array ( [id] => 1956367 [patent_doc_number] => 04332732 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-06-01 [patent_title] => 'Antitumor agents' [patent_app_type] => 1 [patent_app_number] => 6/240340 [patent_app_country] => US [patent_app_date] => 1981-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10522 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 10 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/332/04332732.pdf [firstpage_image] =>[orig_patent_app_number] => 240340 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/240340
Antitumor agents Mar 3, 1981 Issued
06/240452 PROCESS FOR THE PREPARATION OF PROSTANOIDS Mar 3, 1981 Abandoned
Array ( [id] => 1961082 [patent_doc_number] => 04358610 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-11-09 [patent_title] => 'Process for the production of methacrylic acid from isobutyraldehyde' [patent_app_type] => 1 [patent_app_number] => 6/239756 [patent_app_country] => US [patent_app_date] => 1981-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3336 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/358/04358610.pdf [firstpage_image] =>[orig_patent_app_number] => 239756 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/239756
Process for the production of methacrylic acid from isobutyraldehyde Mar 1, 1981 Issued
Array ( [id] => 2041022 [patent_doc_number] => 04413118 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-11-01 [patent_title] => 'Process for removal of homogeneous catalyst group VIII metals from process streams' [patent_app_type] => 1 [patent_app_number] => 6/239726 [patent_app_country] => US [patent_app_date] => 1981-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1969 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/413/04413118.pdf [firstpage_image] =>[orig_patent_app_number] => 239726 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/239726
Process for removal of homogeneous catalyst group VIII metals from process streams Mar 1, 1981 Issued
Array ( [id] => 1993365 [patent_doc_number] => 04344886 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-08-17 [patent_title] => 'Preparation of 2-hydroxyalkylchromans' [patent_app_type] => 1 [patent_app_number] => 6/238608 [patent_app_country] => US [patent_app_date] => 1981-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1911 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/344/04344886.pdf [firstpage_image] =>[orig_patent_app_number] => 238608 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/238608
Preparation of 2-hydroxyalkylchromans Feb 25, 1981 Issued
Array ( [id] => 1947681 [patent_doc_number] => 04341719 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-07-27 [patent_title] => 'Process for the preparation of 1-amino-2-ethoxy-naphthalene-6-sulphonic acid' [patent_app_type] => 1 [patent_app_number] => 6/238327 [patent_app_country] => US [patent_app_date] => 1981-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5556 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 262 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/341/04341719.pdf [firstpage_image] =>[orig_patent_app_number] => 238327 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/238327
Process for the preparation of 1-amino-2-ethoxy-naphthalene-6-sulphonic acid Feb 25, 1981 Issued
Array ( [id] => 2193931 [patent_doc_number] => 04511685 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-04-16 [patent_title] => 'Chroman derivatives and stabilized polypropylene composition' [patent_app_type] => 1 [patent_app_number] => 6/238593 [patent_app_country] => US [patent_app_date] => 1981-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6137 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/511/04511685.pdf [firstpage_image] =>[orig_patent_app_number] => 238593 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/238593
Chroman derivatives and stabilized polypropylene composition Feb 25, 1981 Issued
Array ( [id] => 1937449 [patent_doc_number] => 04322357 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-03-30 [patent_title] => 'Novel cycloheptanes' [patent_app_type] => 1 [patent_app_number] => 6/237321 [patent_app_country] => US [patent_app_date] => 1981-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8560 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/322/04322357.pdf [firstpage_image] =>[orig_patent_app_number] => 237321 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/237321
Novel cycloheptanes Feb 22, 1981 Issued
Array ( [id] => 1958503 [patent_doc_number] => 04339446 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-07-13 [patent_title] => '5-Sulfamoyl-orthanilic acids, processes for their preparation and their use as medicaments' [patent_app_type] => 1 [patent_app_number] => 6/236605 [patent_app_country] => US [patent_app_date] => 1981-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2829 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/339/04339446.pdf [firstpage_image] =>[orig_patent_app_number] => 236605 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/236605
5-Sulfamoyl-orthanilic acids, processes for their preparation and their use as medicaments Feb 19, 1981 Issued
Array ( [id] => 1965093 [patent_doc_number] => 04330480 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-05-18 [patent_title] => 'Preparation of aminoalkyl half-esters of sulfuric acid' [patent_app_type] => 1 [patent_app_number] => 6/231322 [patent_app_country] => US [patent_app_date] => 1981-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1485 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/330/04330480.pdf [firstpage_image] =>[orig_patent_app_number] => 231322 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/231322
Preparation of aminoalkyl half-esters of sulfuric acid Feb 3, 1981 Issued
Array ( [id] => 1941310 [patent_doc_number] => 04340543 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-07-20 [patent_title] => 'Sulfonium compounds' [patent_app_type] => 1 [patent_app_number] => 6/231126 [patent_app_country] => US [patent_app_date] => 1981-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11070 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/340/04340543.pdf [firstpage_image] =>[orig_patent_app_number] => 231126 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/231126
Sulfonium compounds Feb 2, 1981 Issued
Array ( [id] => 2103558 [patent_doc_number] => 04483799 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-11-20 [patent_title] => 'Hydroxy alkane sulfonic acid sulfoalkyl esters' [patent_app_type] => 1 [patent_app_number] => 6/230321 [patent_app_country] => US [patent_app_date] => 1981-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1603 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/483/04483799.pdf [firstpage_image] =>[orig_patent_app_number] => 230321 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/230321
Hydroxy alkane sulfonic acid sulfoalkyl esters Feb 1, 1981 Issued
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