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
07/743845 POZZOLANIC COMPOSITIONS Aug 11, 1991 Abandoned
Array ( [id] => 2905296 [patent_doc_number] => 05215946 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-01 [patent_title] => 'Preparation of powder articles having improved green strength' [patent_app_type] => 1 [patent_app_number] => 7/740345 [patent_app_country] => US [patent_app_date] => 1991-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3213 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/215/05215946.pdf [firstpage_image] =>[orig_patent_app_number] => 740345 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/740345
Preparation of powder articles having improved green strength Aug 4, 1991 Issued
07/735765 SUPERCONDUCTING COMPOSITE Jul 28, 1991 Abandoned
Array ( [id] => 3071378 [patent_doc_number] => 05360772 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-11-01 [patent_title] => 'Ceramic material reinforced by the incorporation of TiC, TiCN and TiN whiskers and processes for production thereof' [patent_app_type] => 1 [patent_app_number] => 7/735371 [patent_app_country] => US [patent_app_date] => 1991-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7092 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/360/05360772.pdf [firstpage_image] =>[orig_patent_app_number] => 735371 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/735371
Ceramic material reinforced by the incorporation of TiC, TiCN and TiN whiskers and processes for production thereof Jul 23, 1991 Issued
07/733702 METHOD OF IMPREGNATING POROUS ABRASIVE ELEMENTS FOR USE IN DISTRESSING FABRICS Jul 21, 1991 Abandoned
Array ( [id] => 2921346 [patent_doc_number] => 05192722 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-09 [patent_title] => 'High density leucite/pollucite based ceramics from zeolite' [patent_app_type] => 1 [patent_app_number] => 7/729660 [patent_app_country] => US [patent_app_date] => 1991-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5810 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/192/05192722.pdf [firstpage_image] =>[orig_patent_app_number] => 729660 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/729660
High density leucite/pollucite based ceramics from zeolite Jul 14, 1991 Issued
Array ( [id] => 3070915 [patent_doc_number] => 05322562 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-06-21 [patent_title] => 'Production of cement-mortar dry mix' [patent_app_type] => 1 [patent_app_number] => 7/729097 [patent_app_country] => US [patent_app_date] => 1991-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2018 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/322/05322562.pdf [firstpage_image] =>[orig_patent_app_number] => 729097 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/729097
Production of cement-mortar dry mix Jul 11, 1991 Issued
Array ( [id] => 2889769 [patent_doc_number] => 05210058 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-11 [patent_title] => 'Method for preparing organic silazane polymers and method for preparing ceramics from the polymers' [patent_app_type] => 1 [patent_app_number] => 7/726578 [patent_app_country] => US [patent_app_date] => 1991-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5487 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/210/05210058.pdf [firstpage_image] =>[orig_patent_app_number] => 726578 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/726578
Method for preparing organic silazane polymers and method for preparing ceramics from the polymers Jul 7, 1991 Issued
Array ( [id] => 2931182 [patent_doc_number] => 05219831 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-15 [patent_title] => 'Superconductive photoconductive-substance of the La-Cu-O system and a method for producing the same' [patent_app_type] => 1 [patent_app_number] => 7/725960 [patent_app_country] => US [patent_app_date] => 1991-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 3990 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/219/05219831.pdf [firstpage_image] =>[orig_patent_app_number] => 725960 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/725960
Superconductive photoconductive-substance of the La-Cu-O system and a method for producing the same Jul 4, 1991 Issued
Array ( [id] => 2836663 [patent_doc_number] => 05160540 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-11-03 [patent_title] => 'Method for producing of concrete with controllable density' [patent_app_type] => 1 [patent_app_number] => 7/725414 [patent_app_country] => US [patent_app_date] => 1991-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1973 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/160/05160540.pdf [firstpage_image] =>[orig_patent_app_number] => 725414 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/725414
Method for producing of concrete with controllable density Jun 30, 1991 Issued
Array ( [id] => 2978988 [patent_doc_number] => 05204295 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-04-20 [patent_title] => 'Precursors for boron nitride coatings' [patent_app_type] => 1 [patent_app_number] => 7/725933 [patent_app_country] => US [patent_app_date] => 1991-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4718 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/204/05204295.pdf [firstpage_image] =>[orig_patent_app_number] => 725933 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/725933
Precursors for boron nitride coatings Jun 26, 1991 Issued
Array ( [id] => 2782533 [patent_doc_number] => 05164344 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-11-17 [patent_title] => 'Borosilazanes as binders for the preparation of sintered silicon carbide monoliths' [patent_app_type] => 1 [patent_app_number] => 7/721858 [patent_app_country] => US [patent_app_date] => 1991-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7387 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/164/05164344.pdf [firstpage_image] =>[orig_patent_app_number] => 721858 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/721858
Borosilazanes as binders for the preparation of sintered silicon carbide monoliths Jun 25, 1991 Issued
Array ( [id] => 2962696 [patent_doc_number] => 05202061 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-04-13 [patent_title] => 'Electrically conductive polymeric materials and uses thereof' [patent_app_type] => 1 [patent_app_number] => 7/717968 [patent_app_country] => US [patent_app_date] => 1991-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 8230 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/202/05202061.pdf [firstpage_image] =>[orig_patent_app_number] => 717968 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/717968
Electrically conductive polymeric materials and uses thereof Jun 19, 1991 Issued
07/717553 NOVEL ALUMINUM NITRIDE REFRACTORY MATERIALS AND METHODS FOR MAKING THE SAME Jun 18, 1991 Abandoned
Array ( [id] => 2971298 [patent_doc_number] => 05194409 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-16 [patent_title] => 'Process for producing bn-coated SiC whisker and process for producing ceramic comprising said bn-coated SiC whisker as reinforcement' [patent_app_type] => 1 [patent_app_number] => 7/715254 [patent_app_country] => US [patent_app_date] => 1991-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3478 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/194/05194409.pdf [firstpage_image] =>[orig_patent_app_number] => 715254 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/715254
Process for producing bn-coated SiC whisker and process for producing ceramic comprising said bn-coated SiC whisker as reinforcement Jun 13, 1991 Issued
Array ( [id] => 2800907 [patent_doc_number] => 05124283 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-23 [patent_title] => 'Hardening of fusible polysilazanes and SiC/Si.sub.3 N.sub.4 ceramics produced therefrom' [patent_app_type] => 1 [patent_app_number] => 7/713594 [patent_app_country] => US [patent_app_date] => 1991-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3127 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/124/05124283.pdf [firstpage_image] =>[orig_patent_app_number] => 713594 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/713594
Hardening of fusible polysilazanes and SiC/Si.sub.3 N.sub.4 ceramics produced therefrom Jun 10, 1991 Issued
Array ( [id] => 2932954 [patent_doc_number] => 05190695 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-02 [patent_title] => 'Methods to produce solid electrolyte and solid electrode composites' [patent_app_type] => 1 [patent_app_number] => 7/706234 [patent_app_country] => US [patent_app_date] => 1991-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7142 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 245 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/190/05190695.pdf [firstpage_image] =>[orig_patent_app_number] => 706234 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/706234
Methods to produce solid electrolyte and solid electrode composites May 27, 1991 Issued
Array ( [id] => 3028031 [patent_doc_number] => 05316989 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-05-31 [patent_title] => 'Method for making a smooth-surface ceramic' [patent_app_type] => 1 [patent_app_number] => 7/696570 [patent_app_country] => US [patent_app_date] => 1991-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 17 [patent_no_of_words] => 6412 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 311 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/316/05316989.pdf [firstpage_image] =>[orig_patent_app_number] => 696570 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/696570
Method for making a smooth-surface ceramic May 7, 1991 Issued
Array ( [id] => 2928876 [patent_doc_number] => 05246627 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-09-21 [patent_title] => 'Melt-processible conducting polymer blends based on fibrils of intractable conducting polymers' [patent_app_type] => 1 [patent_app_number] => 7/697316 [patent_app_country] => US [patent_app_date] => 1991-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 6318 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/246/05246627.pdf [firstpage_image] =>[orig_patent_app_number] => 697316 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/697316
Melt-processible conducting polymer blends based on fibrils of intractable conducting polymers May 5, 1991 Issued
Array ( [id] => 2822749 [patent_doc_number] => 05173455 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-12-22 [patent_title] => 'Low sintering cordierite powder composition' [patent_app_type] => 1 [patent_app_number] => 7/696087 [patent_app_country] => US [patent_app_date] => 1991-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 8020 [patent_no_of_claims] => 3 [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/05/173/05173455.pdf [firstpage_image] =>[orig_patent_app_number] => 696087 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/696087
Low sintering cordierite powder composition May 5, 1991 Issued
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