Search

Hai Chi Pham

Examiner (ID: 18284)

Most Active Art Unit
2861
Art Unit(s)
2853, 2861
Total Applications
1967
Issued Applications
1679
Pending Applications
12
Abandoned Applications
277

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2360428 [patent_doc_number] => 04683079 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-07-28 [patent_title] => 'Liquid-crystal 4-n-pentylphenyl esters of 4\'-(trans-4\"-n-alkylcyclohex-2-enoyloxy)benzoic acids' [patent_app_type] => 1 [patent_app_number] => 6/885574 [patent_app_country] => US [patent_app_date] => 1986-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1091 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/683/04683079.pdf [firstpage_image] =>[orig_patent_app_number] => 885574 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/885574
Liquid-crystal 4-n-pentylphenyl esters of 4'-(trans-4"-n-alkylcyclohex-2-enoyloxy)benzoic acids Jun 19, 1986 Issued
Array ( [id] => 2410326 [patent_doc_number] => 04741859 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-05-03 [patent_title] => 'Thermochromic liquid crystal materials and devices' [patent_app_type] => 1 [patent_app_number] => 6/875699 [patent_app_country] => US [patent_app_date] => 1986-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 3806 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/741/04741859.pdf [firstpage_image] =>[orig_patent_app_number] => 875699 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/875699
Thermochromic liquid crystal materials and devices Jun 17, 1986 Issued
Array ( [id] => 2381639 [patent_doc_number] => 04737312 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-04-12 [patent_title] => 'Liquid crystal composition' [patent_app_type] => 1 [patent_app_number] => 6/890191 [patent_app_country] => US [patent_app_date] => 1986-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1923 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 470 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/737/04737312.pdf [firstpage_image] =>[orig_patent_app_number] => 890191 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/890191
Liquid crystal composition Jun 16, 1986 Issued
Array ( [id] => 2322514 [patent_doc_number] => 04680137 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-07-14 [patent_title] => 'Liquid crystal ester compound' [patent_app_type] => 1 [patent_app_number] => 6/869682 [patent_app_country] => US [patent_app_date] => 1986-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2024 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/680/04680137.pdf [firstpage_image] =>[orig_patent_app_number] => 869682 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/869682
Liquid crystal ester compound Jun 1, 1986 Issued
Array ( [id] => 2335936 [patent_doc_number] => 04668425 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-05-26 [patent_title] => 'Novel liquid crystal compound' [patent_app_type] => 1 [patent_app_number] => 6/868728 [patent_app_country] => US [patent_app_date] => 1986-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2200 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/668/04668425.pdf [firstpage_image] =>[orig_patent_app_number] => 868728 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/868728
Novel liquid crystal compound May 29, 1986 Issued
Array ( [id] => 2385180 [patent_doc_number] => 04724097 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-02-09 [patent_title] => 'Bicyclohexylethanes' [patent_app_type] => 1 [patent_app_number] => 6/865314 [patent_app_country] => US [patent_app_date] => 1986-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8866 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/724/04724097.pdf [firstpage_image] =>[orig_patent_app_number] => 865314 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/865314
Bicyclohexylethanes May 20, 1986 Issued
Array ( [id] => 2312083 [patent_doc_number] => 04699731 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-10-13 [patent_title] => 'Liquid crystal material for a thermal writing liquid crystal element' [patent_app_type] => 1 [patent_app_number] => 6/864919 [patent_app_country] => US [patent_app_date] => 1986-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3447 [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/04/699/04699731.pdf [firstpage_image] =>[orig_patent_app_number] => 864919 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/864919
Liquid crystal material for a thermal writing liquid crystal element May 19, 1986 Issued
Array ( [id] => 2381601 [patent_doc_number] => 04737310 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-04-12 [patent_title] => 'Liquid crystal composition containing azo dyes' [patent_app_type] => 1 [patent_app_number] => 6/864392 [patent_app_country] => US [patent_app_date] => 1986-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 5740 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 399 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/737/04737310.pdf [firstpage_image] =>[orig_patent_app_number] => 864392 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/864392
Liquid crystal composition containing azo dyes May 18, 1986 Issued
06/863505 PHENYLPYRIMIDINECARBOXYLATE DERIVATIVE May 14, 1986 Abandoned
Array ( [id] => 2294687 [patent_doc_number] => 04696759 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-09-29 [patent_title] => 'Ester compound' [patent_app_type] => 1 [patent_app_number] => 6/859801 [patent_app_country] => US [patent_app_date] => 1986-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2933 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/696/04696759.pdf [firstpage_image] =>[orig_patent_app_number] => 859801 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/859801
Ester compound May 4, 1986 Issued
Array ( [id] => 2324007 [patent_doc_number] => 04698177 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-10-06 [patent_title] => 'Cyclohexylcyclohexene derivatives' [patent_app_type] => 1 [patent_app_number] => 6/850585 [patent_app_country] => US [patent_app_date] => 1986-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2127 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/698/04698177.pdf [firstpage_image] =>[orig_patent_app_number] => 850585 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/850585
Cyclohexylcyclohexene derivatives Apr 10, 1986 Issued
Array ( [id] => 2446707 [patent_doc_number] => 04758373 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-07-19 [patent_title] => 'Carbocyclic compounds' [patent_app_type] => 1 [patent_app_number] => 6/843406 [patent_app_country] => US [patent_app_date] => 1986-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6716 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 296 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/758/04758373.pdf [firstpage_image] =>[orig_patent_app_number] => 843406 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/843406
Carbocyclic compounds Mar 23, 1986 Issued
Array ( [id] => 2438078 [patent_doc_number] => 04721367 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-01-26 [patent_title] => 'Liquid crystal device' [patent_app_type] => 1 [patent_app_number] => 6/843235 [patent_app_country] => US [patent_app_date] => 1986-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 16 [patent_no_of_words] => 9013 [patent_no_of_claims] => 28 [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/04/721/04721367.pdf [firstpage_image] =>[orig_patent_app_number] => 843235 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/843235
Liquid crystal device Mar 23, 1986 Issued
Array ( [id] => 2383387 [patent_doc_number] => 04707295 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-11-17 [patent_title] => 'Bicyclooctane derivatives' [patent_app_type] => 1 [patent_app_number] => 6/843407 [patent_app_country] => US [patent_app_date] => 1986-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7236 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/707/04707295.pdf [firstpage_image] =>[orig_patent_app_number] => 843407 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/843407
Bicyclooctane derivatives Mar 23, 1986 Issued
Array ( [id] => 2440075 [patent_doc_number] => 04751017 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-06-14 [patent_title] => 'Heterocyclic boron compounds' [patent_app_type] => 1 [patent_app_number] => 6/843404 [patent_app_country] => US [patent_app_date] => 1986-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13938 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 278 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/751/04751017.pdf [firstpage_image] =>[orig_patent_app_number] => 843404 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/843404
Heterocyclic boron compounds Mar 23, 1986 Issued
Array ( [id] => 2342686 [patent_doc_number] => 04640795 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-02-03 [patent_title] => '5-alkyl-2-(3,4-difluorophenyl)pyrimidine and nematic liquid crystal composition containing same' [patent_app_type] => 1 [patent_app_number] => 6/842190 [patent_app_country] => US [patent_app_date] => 1986-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1882 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/640/04640795.pdf [firstpage_image] =>[orig_patent_app_number] => 842190 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/842190
5-alkyl-2-(3,4-difluorophenyl)pyrimidine and nematic liquid crystal composition containing same Mar 20, 1986 Issued
Array ( [id] => 2439802 [patent_doc_number] => 04778619 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-10-18 [patent_title] => 'Liquid crystal compositions' [patent_app_type] => 1 [patent_app_number] => 6/842648 [patent_app_country] => US [patent_app_date] => 1986-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3951 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/778/04778619.pdf [firstpage_image] =>[orig_patent_app_number] => 842648 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/842648
Liquid crystal compositions Mar 20, 1986 Issued
Array ( [id] => 2411203 [patent_doc_number] => 04719032 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-01-12 [patent_title] => 'Cyclohexane derivatives' [patent_app_type] => 1 [patent_app_number] => 6/842692 [patent_app_country] => US [patent_app_date] => 1986-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5535 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/719/04719032.pdf [firstpage_image] =>[orig_patent_app_number] => 842692 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/842692
Cyclohexane derivatives Mar 20, 1986 Issued
Array ( [id] => 2443723 [patent_doc_number] => 04755323 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-07-05 [patent_title] => 'Liquid-crystalline dielectrics' [patent_app_type] => 1 [patent_app_number] => 6/839293 [patent_app_country] => US [patent_app_date] => 1986-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10139 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/755/04755323.pdf [firstpage_image] =>[orig_patent_app_number] => 839293 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/839293
Liquid-crystalline dielectrics Mar 12, 1986 Issued
Array ( [id] => 2380781 [patent_doc_number] => 04695398 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-09-22 [patent_title] => 'Cyclohexane derivative' [patent_app_type] => 1 [patent_app_number] => 6/838630 [patent_app_country] => US [patent_app_date] => 1986-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1768 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 14 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/695/04695398.pdf [firstpage_image] =>[orig_patent_app_number] => 838630 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/838630
Cyclohexane derivative Mar 11, 1986 Issued
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