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
Array ( [id] => 3116044 [patent_doc_number] => 05410004 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-04-25 [patent_title] => 'Thermal polymerization of dicyclopentadiene' [patent_app_type] => 1 [patent_app_number] => 8/185057 [patent_app_country] => US [patent_app_date] => 1994-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 6945 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/410/05410004.pdf [firstpage_image] =>[orig_patent_app_number] => 185057 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/185057
Thermal polymerization of dicyclopentadiene Jan 23, 1994 Issued
Array ( [id] => 3117176 [patent_doc_number] => 05449743 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-09-12 [patent_title] => 'Method for ring opening polymerization using a hydrolase catalyst' [patent_app_type] => 1 [patent_app_number] => 8/184912 [patent_app_country] => US [patent_app_date] => 1994-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3722 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 13 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/449/05449743.pdf [firstpage_image] =>[orig_patent_app_number] => 184912 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/184912
Method for ring opening polymerization using a hydrolase catalyst Jan 23, 1994 Issued
08/182038 BOWL-SHAPE MICROPARTICLE AND PRODUCTION THEREOF Jan 20, 1994 Abandoned
Array ( [id] => 3111816 [patent_doc_number] => 05449462 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-09-12 [patent_title] => 'Phosphonic acid based exchange resins' [patent_app_type] => 1 [patent_app_number] => 8/184609 [patent_app_country] => US [patent_app_date] => 1994-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 6271 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/449/05449462.pdf [firstpage_image] =>[orig_patent_app_number] => 184609 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/184609
Phosphonic acid based exchange resins Jan 20, 1994 Issued
Array ( [id] => 3411071 [patent_doc_number] => 05438077 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-08-01 [patent_title] => 'Ion exchange resins containing glycidyl ether spacer groups' [patent_app_type] => 1 [patent_app_number] => 8/183241 [patent_app_country] => US [patent_app_date] => 1994-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4155 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/438/05438077.pdf [firstpage_image] =>[orig_patent_app_number] => 183241 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/183241
Ion exchange resins containing glycidyl ether spacer groups Jan 18, 1994 Issued
08/180250 SOL-GEL DERIVED POROUS MICROCOMPOSITES OF PERFLUORINATED ION-EXCHANGE POLYMER AND METAL OXIDE Jan 11, 1994 Abandoned
Array ( [id] => 3429218 [patent_doc_number] => 05463003 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-10-31 [patent_title] => 'Process for polymerizing conjugated dienes with lithium-tin-nitrogen initiators' [patent_app_type] => 1 [patent_app_number] => 8/174366 [patent_app_country] => US [patent_app_date] => 1993-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5348 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 295 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/463/05463003.pdf [firstpage_image] =>[orig_patent_app_number] => 174366 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/174366
Process for polymerizing conjugated dienes with lithium-tin-nitrogen initiators Dec 27, 1993 Issued
Array ( [id] => 3006571 [patent_doc_number] => 05374687 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-12-20 [patent_title] => 'Anti-settling agents for aqueous coating compositions' [patent_app_type] => 1 [patent_app_number] => 8/174617 [patent_app_country] => US [patent_app_date] => 1993-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7382 [patent_no_of_claims] => 13 [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/05/374/05374687.pdf [firstpage_image] =>[orig_patent_app_number] => 174617 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/174617
Anti-settling agents for aqueous coating compositions Dec 27, 1993 Issued
08/172826 METHOD FOR PRODUCING A DIENE COPOLYMER AND A RUBBER COMPOSITION INCLUDING THE SAME Dec 26, 1993 Abandoned
08/174765 GOLF BALL COVERS CONTAINING HIGH ACID IONOMERS Dec 26, 1993 Abandoned
Array ( [id] => 3733961 [patent_doc_number] => 05665837 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-09-09 [patent_title] => 'Initiation via haloboration in living cationic polymerization' [patent_app_type] => 1 [patent_app_number] => 8/173493 [patent_app_country] => US [patent_app_date] => 1993-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5426 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 29 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/665/05665837.pdf [firstpage_image] =>[orig_patent_app_number] => 173493 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/173493
Initiation via haloboration in living cationic polymerization Dec 22, 1993 Issued
Array ( [id] => 3588620 [patent_doc_number] => 05552503 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-09-03 [patent_title] => 'Photodefinable dielectric layers comprising poly(aromatic diacetylenes)' [patent_app_type] => 1 [patent_app_number] => 8/173284 [patent_app_country] => US [patent_app_date] => 1993-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 12 [patent_no_of_words] => 1395 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 16 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/552/05552503.pdf [firstpage_image] =>[orig_patent_app_number] => 173284 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/173284
Photodefinable dielectric layers comprising poly(aromatic diacetylenes) Dec 21, 1993 Issued
08/166487 PROCESS FOR PRODUCING N-VINYL PYRROLIDONE POLYMER HAVING LOW RESIDUAL MONOMER Dec 12, 1993 Abandoned
Array ( [id] => 3037780 [patent_doc_number] => RE034740 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-09-27 [patent_title] => 'Adsorptive resin for microorganisms' [patent_app_type] => 2 [patent_app_number] => 8/163327 [patent_app_country] => US [patent_app_date] => 1993-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7896 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/RE/034/RE034740.pdf [firstpage_image] =>[orig_patent_app_number] => 163327 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/163327
Adsorptive resin for microorganisms Dec 5, 1993 Issued
Array ( [id] => 3458093 [patent_doc_number] => 05401809 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-03-28 [patent_title] => 'Polymer ammonium borates and processes for their preparation' [patent_app_type] => 1 [patent_app_number] => 8/162832 [patent_app_country] => US [patent_app_date] => 1993-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4713 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/401/05401809.pdf [firstpage_image] =>[orig_patent_app_number] => 162832 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/162832
Polymer ammonium borates and processes for their preparation Dec 2, 1993 Issued
08/161644 PROCESS FOR PRODUCING HIGH MOLECULAR WEIGHT MONOVINYLIDENE AROMATIC POLYMERS Dec 1, 1993 Abandoned
Array ( [id] => 3041952 [patent_doc_number] => 05376745 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-12-27 [patent_title] => 'Low viscosity terminally functionalized isoprene polymers' [patent_app_type] => 1 [patent_app_number] => 8/160341 [patent_app_country] => US [patent_app_date] => 1993-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 5644 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/376/05376745.pdf [firstpage_image] =>[orig_patent_app_number] => 160341 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/160341
Low viscosity terminally functionalized isoprene polymers Nov 30, 1993 Issued
08/159905 POLYOLEFIN MOLDING COMPOSITION FOR PRODUCING FIBERS, FILAMENTS AND WEBS BY MELT SPINNING Nov 30, 1993 Abandoned
Array ( [id] => 3110642 [patent_doc_number] => 05414020 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-05-09 [patent_title] => 'Process for the preparation of anion exchange resins of the poly(meth)acrylamide type' [patent_app_type] => 1 [patent_app_number] => 8/160453 [patent_app_country] => US [patent_app_date] => 1993-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3104 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/414/05414020.pdf [firstpage_image] =>[orig_patent_app_number] => 160453 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/160453
Process for the preparation of anion exchange resins of the poly(meth)acrylamide type Nov 30, 1993 Issued
Array ( [id] => 3059034 [patent_doc_number] => 05338815 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-08-16 [patent_title] => 'Fine particulate crosslinked type n-vinylamide resin and microgel, process for preparing same, and use thereof' [patent_app_type] => 1 [patent_app_number] => 8/159242 [patent_app_country] => US [patent_app_date] => 1993-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11953 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 482 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/338/05338815.pdf [firstpage_image] =>[orig_patent_app_number] => 159242 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/159242
Fine particulate crosslinked type n-vinylamide resin and microgel, process for preparing same, and use thereof Nov 29, 1993 Issued
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