Search

Kai J. Chang

Examiner (ID: 12149, Phone: (571)270-5448 , Office: P/2468 )

Most Active Art Unit
2468
Art Unit(s)
2468
Total Applications
476
Issued Applications
340
Pending Applications
29
Abandoned Applications
111

Applications

Application numberTitle of the applicationFiling DateStatus
07/590814 DENTAL ADHESIVES Sep 30, 1990 Abandoned
Array ( [id] => 2705570 [patent_doc_number] => 05068294 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-11-26 [patent_title] => 'Process to produce polymers of styrene derivatives' [patent_app_type] => 1 [patent_app_number] => 7/589363 [patent_app_country] => US [patent_app_date] => 1990-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1851 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/068/05068294.pdf [firstpage_image] =>[orig_patent_app_number] => 589363 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/589363
Process to produce polymers of styrene derivatives Sep 27, 1990 Issued
Array ( [id] => 2673399 [patent_doc_number] => 05073610 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-17 [patent_title] => 'Polymers of alkoxystyrenes and a process to produce polymers of alkoxystyrenes' [patent_app_type] => 1 [patent_app_number] => 7/589364 [patent_app_country] => US [patent_app_date] => 1990-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2029 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/073/05073610.pdf [firstpage_image] =>[orig_patent_app_number] => 589364 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/589364
Polymers of alkoxystyrenes and a process to produce polymers of alkoxystyrenes Sep 27, 1990 Issued
07/589211 THERMOSETTING RESIN COMPOSITION Sep 27, 1990 Abandoned
Array ( [id] => 2747580 [patent_doc_number] => 05015710 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-05-14 [patent_title] => 'Process for producing a blended metathesis/radical polymer composition' [patent_app_type] => 1 [patent_app_number] => 7/589281 [patent_app_country] => US [patent_app_date] => 1990-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4468 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/015/05015710.pdf [firstpage_image] =>[orig_patent_app_number] => 589281 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/589281
Process for producing a blended metathesis/radical polymer composition Sep 26, 1990 Issued
Array ( [id] => 2711352 [patent_doc_number] => 05061761 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-29 [patent_title] => 'Polyvinyl ester macromonomer and its uses' [patent_app_type] => 1 [patent_app_number] => 7/588720 [patent_app_country] => US [patent_app_date] => 1990-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 12189 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/061/05061761.pdf [firstpage_image] =>[orig_patent_app_number] => 588720 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/588720
Polyvinyl ester macromonomer and its uses Sep 26, 1990 Issued
Array ( [id] => 2735108 [patent_doc_number] => 05039767 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-08-13 [patent_title] => 'Peroxy cured (meth)acrylic ester compositions employing metal dithiolate catalysts' [patent_app_type] => 1 [patent_app_number] => 7/588068 [patent_app_country] => US [patent_app_date] => 1990-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3512 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/039/05039767.pdf [firstpage_image] =>[orig_patent_app_number] => 588068 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/588068
Peroxy cured (meth)acrylic ester compositions employing metal dithiolate catalysts Sep 24, 1990 Issued
07/594101 ANION EXCHANGER AND A METHOD FOR TREATING A FLUID Sep 24, 1990 Abandoned
07/573147 PROCESS FOR IMPROVING THE HYDROPHILIC PROPERTIES ON POLYMER SURFACES Sep 18, 1990 Abandoned
07/581529 MOLDED BODIES COMPRISED OF MACROPOROUS ION EXCHANGE RESINS, AND USE OF SAID BODIES Sep 11, 1990 Abandoned
Array ( [id] => 2682575 [patent_doc_number] => 05066749 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-11-19 [patent_title] => 'Hydrophobically-modified polycarboxylates and process for their preparation' [patent_app_type] => 1 [patent_app_number] => 7/580695 [patent_app_country] => US [patent_app_date] => 1990-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 8744 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/066/05066749.pdf [firstpage_image] =>[orig_patent_app_number] => 580695 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/580695
Hydrophobically-modified polycarboxylates and process for their preparation Sep 10, 1990 Issued
Array ( [id] => 3095947 [patent_doc_number] => 05292825 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-08 [patent_title] => 'Vulcanizable epoxy group-containing elastomer composition' [patent_app_type] => 1 [patent_app_number] => 7/578905 [patent_app_country] => US [patent_app_date] => 1990-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2984 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/292/05292825.pdf [firstpage_image] =>[orig_patent_app_number] => 578905 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/578905
Vulcanizable epoxy group-containing elastomer composition Sep 6, 1990 Issued
Array ( [id] => 2854475 [patent_doc_number] => 05089601 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-02-18 [patent_title] => 'Chloroprene polymer' [patent_app_type] => 1 [patent_app_number] => 7/578535 [patent_app_country] => US [patent_app_date] => 1990-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4907 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/089/05089601.pdf [firstpage_image] =>[orig_patent_app_number] => 578535 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/578535
Chloroprene polymer Sep 6, 1990 Issued
Array ( [id] => 2807536 [patent_doc_number] => 05115072 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-05-19 [patent_title] => 'Reactive resins with terminal and/or pendant vinyl groups' [patent_app_type] => 1 [patent_app_number] => 7/578064 [patent_app_country] => US [patent_app_date] => 1990-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4884 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/115/05115072.pdf [firstpage_image] =>[orig_patent_app_number] => 578064 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/578064
Reactive resins with terminal and/or pendant vinyl groups Sep 4, 1990 Issued
07/576314 POLYETHYLENE GLYCOL DERIVATIVES FOR SOLID-PHASE APPLICATIONS Aug 30, 1990 Abandoned
Array ( [id] => 2786463 [patent_doc_number] => 05130378 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-07-14 [patent_title] => 'Copolymers containing secondary amino groups and a process for their production' [patent_app_type] => 1 [patent_app_number] => 7/574426 [patent_app_country] => US [patent_app_date] => 1990-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3933 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 266 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/130/05130378.pdf [firstpage_image] =>[orig_patent_app_number] => 574426 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/574426
Copolymers containing secondary amino groups and a process for their production Aug 27, 1990 Issued
Array ( [id] => 2737529 [patent_doc_number] => 04997974 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-03-05 [patent_title] => 'Bisphenol derivatives and polymers thereof' [patent_app_type] => 1 [patent_app_number] => 7/569652 [patent_app_country] => US [patent_app_date] => 1990-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2311 [patent_no_of_claims] => 2 [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/04/997/04997974.pdf [firstpage_image] =>[orig_patent_app_number] => 569652 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/569652
Bisphenol derivatives and polymers thereof Aug 19, 1990 Issued
Array ( [id] => 3666075 [patent_doc_number] => 05597850 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-01-28 [patent_title] => 'Sponge for the absorption of metal ions' [patent_app_type] => 1 [patent_app_number] => 7/561006 [patent_app_country] => US [patent_app_date] => 1990-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3016 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/597/05597850.pdf [firstpage_image] =>[orig_patent_app_number] => 561006 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/561006
Sponge for the absorption of metal ions Jul 30, 1990 Issued
Array ( [id] => 2831364 [patent_doc_number] => 05098975 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-24 [patent_title] => 'Anisotropic liquid crystalline polymer films' [patent_app_type] => 1 [patent_app_number] => 7/557655 [patent_app_country] => US [patent_app_date] => 1990-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4193 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 332 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/098/05098975.pdf [firstpage_image] =>[orig_patent_app_number] => 557655 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/557655
Anisotropic liquid crystalline polymer films Jul 24, 1990 Issued
Array ( [id] => 2725301 [patent_doc_number] => 05057564 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-15 [patent_title] => 'Cyclic carbonyl containing polymers' [patent_app_type] => 1 [patent_app_number] => 7/556243 [patent_app_country] => US [patent_app_date] => 1990-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3356 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/057/05057564.pdf [firstpage_image] =>[orig_patent_app_number] => 556243 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/556243
Cyclic carbonyl containing polymers Jul 22, 1990 Issued
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