Search

Tu Ba Hoang

Supervisory Patent Examiner (ID: 7481, Phone: (571)272-4780 , Office: P/3742 )

Most Active Art Unit
3761
Art Unit(s)
3742, 2106, 2832, 3761
Total Applications
2049
Issued Applications
1536
Pending Applications
181
Abandoned Applications
331

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2705443 [patent_doc_number] => 05001090 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-03-19 [patent_title] => 'Silicon nitride ceramics from isocyanate- and isothiocyanate-modified polysilazanes' [patent_app_type] => 1 [patent_app_number] => 7/481932 [patent_app_country] => US [patent_app_date] => 1990-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2937 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/001/05001090.pdf [firstpage_image] =>[orig_patent_app_number] => 481932 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/481932
Silicon nitride ceramics from isocyanate- and isothiocyanate-modified polysilazanes Feb 19, 1990 Issued
Array ( [id] => 2812435 [patent_doc_number] => 05086019 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-02-04 [patent_title] => 'Reservoir feed method of making ceramic composite structures and structures made thereby' [patent_app_type] => 1 [patent_app_number] => 7/478845 [patent_app_country] => US [patent_app_date] => 1990-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 25 [patent_no_of_words] => 17032 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 342 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/086/05086019.pdf [firstpage_image] =>[orig_patent_app_number] => 478845 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/478845
Reservoir feed method of making ceramic composite structures and structures made thereby Feb 11, 1990 Issued
Array ( [id] => 2689683 [patent_doc_number] => 04990276 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-02-05 [patent_title] => 'Magnetic dispersion' [patent_app_type] => 1 [patent_app_number] => 7/473500 [patent_app_country] => US [patent_app_date] => 1990-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1941 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/990/04990276.pdf [firstpage_image] =>[orig_patent_app_number] => 473500 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/473500
Magnetic dispersion Jan 31, 1990 Issued
07/472063 CERAMIC SLIDING MEMBER AND METHOD OF MANUFACTURING THE SAME Jan 29, 1990 Abandoned
07/470302 HARDENING OF FUSIBLE POLYSILAZANES AND SIC/SI3N4 CERAMICS PRODUCED THEREFROM Jan 24, 1990 Abandoned
07/458639 METHOD FOR PRODUCING OF CONCRETE WITH VARIABLE DENSITY Jan 7, 1990 Abandoned
Array ( [id] => 2745165 [patent_doc_number] => 05071481 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-10 [patent_title] => 'Low-temperature curable compositions based upon polyaromatic aldehyde group-containing compounds and ketiminized polyamino compounds' [patent_app_type] => 1 [patent_app_number] => 7/461206 [patent_app_country] => US [patent_app_date] => 1990-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3327 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/071/05071481.pdf [firstpage_image] =>[orig_patent_app_number] => 461206 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/461206
Low-temperature curable compositions based upon polyaromatic aldehyde group-containing compounds and ketiminized polyamino compounds Jan 4, 1990 Issued
Array ( [id] => 2751317 [patent_doc_number] => 05015909 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-05-14 [patent_title] => 'Glass composition and method for manufacturing a high performance microchannel plate' [patent_app_type] => 1 [patent_app_number] => 7/458849 [patent_app_country] => US [patent_app_date] => 1989-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 13 [patent_no_of_words] => 5551 [patent_no_of_claims] => 39 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/015/05015909.pdf [firstpage_image] =>[orig_patent_app_number] => 458849 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/458849
Glass composition and method for manufacturing a high performance microchannel plate Dec 28, 1989 Issued
07/458204 HIGH DENSITY SILICON CARBIDE SINTERED BODIES FROM BOROSILOXANES Dec 27, 1989 Abandoned
Array ( [id] => 2682634 [patent_doc_number] => 05049295 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-09-17 [patent_title] => 'Aromatic polyester, aromatic polyester amide, filaments thereof and compositions thereof each containing an inorganic filler or magnetic powder' [patent_app_type] => 1 [patent_app_number] => 7/457559 [patent_app_country] => US [patent_app_date] => 1989-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 13157 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/049/05049295.pdf [firstpage_image] =>[orig_patent_app_number] => 457559 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/457559
Aromatic polyester, aromatic polyester amide, filaments thereof and compositions thereof each containing an inorganic filler or magnetic powder Dec 26, 1989 Issued
Array ( [id] => 2742769 [patent_doc_number] => 05023208 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-06-11 [patent_title] => 'Sol-gel process for glass and ceramic articles' [patent_app_type] => 1 [patent_app_number] => 7/452962 [patent_app_country] => US [patent_app_date] => 1989-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3865 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/023/05023208.pdf [firstpage_image] =>[orig_patent_app_number] => 452962 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/452962
Sol-gel process for glass and ceramic articles Dec 18, 1989 Issued
Array ( [id] => 2884364 [patent_doc_number] => 05209778 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-11 [patent_title] => 'High solids content calcium stearate dispersions' [patent_app_type] => 1 [patent_app_number] => 7/448787 [patent_app_country] => US [patent_app_date] => 1989-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1010 [patent_no_of_claims] => 10 [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/05/209/05209778.pdf [firstpage_image] =>[orig_patent_app_number] => 448787 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/448787
High solids content calcium stearate dispersions Dec 10, 1989 Issued
07/444053 POLYMERIC HYDRIDOCHLOROSILAZANES, PROCESS FOR THEIR PREPARATION, CERAMIC MATERIALS CONTAINING SILICON NITRIDE WHICH CAN BE MANUFACTURED THEREFROM, AND THEIR MANUFACTURE Nov 29, 1989 Abandoned
Array ( [id] => 2743422 [patent_doc_number] => 05011801 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-04-30 [patent_title] => 'Polymeric ethylene-bridged chlorosilazanes, process for their preparation, ceramic materials which can be prepared from them containing silicon nitride, and their preparation' [patent_app_type] => 1 [patent_app_number] => 7/444816 [patent_app_country] => US [patent_app_date] => 1989-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3798 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 20 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/011/05011801.pdf [firstpage_image] =>[orig_patent_app_number] => 444816 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/444816
Polymeric ethylene-bridged chlorosilazanes, process for their preparation, ceramic materials which can be prepared from them containing silicon nitride, and their preparation Nov 29, 1989 Issued
Array ( [id] => 2798686 [patent_doc_number] => 05114604 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-05-19 [patent_title] => 'Resin bonded permanent magnet and a binder therefor' [patent_app_type] => 1 [patent_app_number] => 7/440205 [patent_app_country] => US [patent_app_date] => 1989-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3526 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/114/05114604.pdf [firstpage_image] =>[orig_patent_app_number] => 440205 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/440205
Resin bonded permanent magnet and a binder therefor Nov 21, 1989 Issued
Array ( [id] => 2680712 [patent_doc_number] => 05049195 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-09-17 [patent_title] => 'Color pure iron oxide pigments, a process for their preparation and their use' [patent_app_type] => 1 [patent_app_number] => 7/428113 [patent_app_country] => US [patent_app_date] => 1989-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 3236 [patent_no_of_claims] => 1 [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/05/049/05049195.pdf [firstpage_image] =>[orig_patent_app_number] => 428113 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/428113
Color pure iron oxide pigments, a process for their preparation and their use Nov 21, 1989 Issued
Array ( [id] => 2596123 [patent_doc_number] => 04975392 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-12-04 [patent_title] => 'Method for manufacturing silicon carbide whisker' [patent_app_type] => 1 [patent_app_number] => 7/439276 [patent_app_country] => US [patent_app_date] => 1989-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5707 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/975/04975392.pdf [firstpage_image] =>[orig_patent_app_number] => 439276 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/439276
Method for manufacturing silicon carbide whisker Nov 19, 1989 Issued
Array ( [id] => 2680653 [patent_doc_number] => 05049192 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-09-17 [patent_title] => 'Corn drying compositions' [patent_app_type] => 1 [patent_app_number] => 7/436218 [patent_app_country] => US [patent_app_date] => 1989-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3163 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/049/05049192.pdf [firstpage_image] =>[orig_patent_app_number] => 436218 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/436218
Corn drying compositions Nov 13, 1989 Issued
07/433858 WATER- AND OIL-REPELLENT COMPOSITION Nov 8, 1989 Abandoned
Array ( [id] => 2626063 [patent_doc_number] => 04957555 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-18 [patent_title] => 'Cementing compositions and method' [patent_app_type] => 1 [patent_app_number] => 7/434723 [patent_app_country] => US [patent_app_date] => 1989-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3308 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/957/04957555.pdf [firstpage_image] =>[orig_patent_app_number] => 434723 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/434723
Cementing compositions and method Nov 8, 1989 Issued
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