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] => 3879101 [patent_doc_number] => 05804606 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-08 [patent_title] => 'Chelating resins' [patent_app_type] => 1 [patent_app_number] => 8/844740 [patent_app_country] => US [patent_app_date] => 1997-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3169 [patent_no_of_claims] => 16 [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/05/804/05804606.pdf [firstpage_image] =>[orig_patent_app_number] => 844740 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/844740
Chelating resins Apr 20, 1997 Issued
Array ( [id] => 3891750 [patent_doc_number] => 05834525 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-11-10 [patent_title] => 'Polymer-supported sulfonated catechol and linear catechol amide ligands and their use in selective metal ion removal recovery from aqueous solutions' [patent_app_type] => 1 [patent_app_number] => 8/839359 [patent_app_country] => US [patent_app_date] => 1997-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 8441 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/834/05834525.pdf [firstpage_image] =>[orig_patent_app_number] => 839359 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/839359
Polymer-supported sulfonated catechol and linear catechol amide ligands and their use in selective metal ion removal recovery from aqueous solutions Apr 16, 1997 Issued
Array ( [id] => 3841271 [patent_doc_number] => 05744558 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-04-28 [patent_title] => '1,5-diethenylnaphthalene compounds and bifunctional primers for anionic polymerization prepared therefrom' [patent_app_type] => 1 [patent_app_number] => 8/843338 [patent_app_country] => US [patent_app_date] => 1997-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3397 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/744/05744558.pdf [firstpage_image] =>[orig_patent_app_number] => 843338 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/843338
1,5-diethenylnaphthalene compounds and bifunctional primers for anionic polymerization prepared therefrom Apr 14, 1997 Issued
08/837232 METHODS FOR MAKING POLYMERS FROM N-VINYL ACETAMIDE MONOMER Apr 9, 1997 Abandoned
08/837233 HAIR CARE COMPOSITIONS CONTAINING POLYMERIC N-VINYL ACETAMIDE AND METHODS OF TREATING HAIR Apr 9, 1997 Abandoned
Array ( [id] => 3834547 [patent_doc_number] => 05712357 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-01-27 [patent_title] => 'Method for metathetically preparing sulphur containing polymers or organic compounds' [patent_app_type] => 1 [patent_app_number] => 8/835590 [patent_app_country] => US [patent_app_date] => 1997-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5027 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/712/05712357.pdf [firstpage_image] =>[orig_patent_app_number] => 835590 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/835590
Method for metathetically preparing sulphur containing polymers or organic compounds Apr 9, 1997 Issued
Array ( [id] => 3807154 [patent_doc_number] => 05830962 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-11-03 [patent_title] => 'Fluorinated ion-exchange polymers and intermediates therefor' [patent_app_type] => 1 [patent_app_number] => 8/838542 [patent_app_country] => US [patent_app_date] => 1997-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11304 [patent_no_of_claims] => 4 [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/05/830/05830962.pdf [firstpage_image] =>[orig_patent_app_number] => 838542 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/838542
Fluorinated ion-exchange polymers and intermediates therefor Apr 8, 1997 Issued
Array ( [id] => 4239120 [patent_doc_number] => 06143847 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-11-07 [patent_title] => 'Method for preparing (co) polymers by metal-free anionic polymerization in the presence of a phosphonium cation containing at least one annellated aromatic ring' [patent_app_type] => 1 [patent_app_number] => 8/827906 [patent_app_country] => US [patent_app_date] => 1997-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20629 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 1167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/143/06143847.pdf [firstpage_image] =>[orig_patent_app_number] => 827906 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/827906
Method for preparing (co) polymers by metal-free anionic polymerization in the presence of a phosphonium cation containing at least one annellated aromatic ring Apr 6, 1997 Issued
Array ( [id] => 3948598 [patent_doc_number] => 05998546 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-07 [patent_title] => 'Resinous composition with permanent anti-static properties' [patent_app_type] => 1 [patent_app_number] => 8/833596 [patent_app_country] => US [patent_app_date] => 1997-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4379 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/998/05998546.pdf [firstpage_image] =>[orig_patent_app_number] => 833596 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/833596
Resinous composition with permanent anti-static properties Apr 6, 1997 Issued
Array ( [id] => 3834407 [patent_doc_number] => 05712347 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-01-27 [patent_title] => 'Grafted methylenediphosphonate ion exchange resins' [patent_app_type] => 1 [patent_app_number] => 8/829998 [patent_app_country] => US [patent_app_date] => 1997-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6266 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/712/05712347.pdf [firstpage_image] =>[orig_patent_app_number] => 829998 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/829998
Grafted methylenediphosphonate ion exchange resins Apr 2, 1997 Issued
Array ( [id] => 4278879 [patent_doc_number] => 06281311 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-08-28 [patent_title] => 'Controlled free radical polymerization process' [patent_app_type] => 1 [patent_app_number] => 8/828991 [patent_app_country] => US [patent_app_date] => 1997-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7759 [patent_no_of_claims] => 93 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/281/06281311.pdf [firstpage_image] =>[orig_patent_app_number] => 828991 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/828991
Controlled free radical polymerization process Mar 30, 1997 Issued
Array ( [id] => 4358108 [patent_doc_number] => 06201087 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-03-13 [patent_title] => 'Coumarin and quinolinone derivatives for the production of orienting layers for liquid crystals' [patent_app_type] => 1 [patent_app_number] => 8/913436 [patent_app_country] => US [patent_app_date] => 1997-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12398 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/201/06201087.pdf [firstpage_image] =>[orig_patent_app_number] => 913436 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/913436
Coumarin and quinolinone derivatives for the production of orienting layers for liquid crystals Mar 26, 1997 Issued
Array ( [id] => 3978110 [patent_doc_number] => 05905129 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-05-18 [patent_title] => 'Ring-opening polymer hydrogenation products' [patent_app_type] => 1 [patent_app_number] => 8/809298 [patent_app_country] => US [patent_app_date] => 1997-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8694 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/905/05905129.pdf [firstpage_image] =>[orig_patent_app_number] => 809298 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/809298
Ring-opening polymer hydrogenation products Mar 26, 1997 Issued
08/821433 HIGHLY STEREOREGULAR POLYACETYLENES FROM ORGANORHODIUM CATALYSTS IN AQUEOUS MEDIA Mar 20, 1997 Abandoned
Array ( [id] => 3935599 [patent_doc_number] => 05929172 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-07-27 [patent_title] => 'Conductive heterocyclic graft copolymer' [patent_app_type] => 1 [patent_app_number] => 8/821724 [patent_app_country] => US [patent_app_date] => 1997-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5280 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 281 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/929/05929172.pdf [firstpage_image] =>[orig_patent_app_number] => 821724 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/821724
Conductive heterocyclic graft copolymer Mar 19, 1997 Issued
Array ( [id] => 4119233 [patent_doc_number] => 06126865 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-10-03 [patent_title] => 'Adhesives containing electrically conductive agents' [patent_app_type] => 1 [patent_app_number] => 8/816064 [patent_app_country] => US [patent_app_date] => 1997-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 19313 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/126/06126865.pdf [firstpage_image] =>[orig_patent_app_number] => 816064 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/816064
Adhesives containing electrically conductive agents Mar 10, 1997 Issued
08/765050 HYDROGEL FOR THE APPLICATION OF THERAPEUTIC ACTIVE SUBSTANCES AND/OR COSMETIC ACTIVE SUBSTANCES TO THE SKIN Mar 5, 1997 Abandoned
Array ( [id] => 4098384 [patent_doc_number] => 06096848 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-01 [patent_title] => 'Process for the production of biscyanoacrylates' [patent_app_type] => 1 [patent_app_number] => 8/750401 [patent_app_country] => US [patent_app_date] => 1997-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1399 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/096/06096848.pdf [firstpage_image] =>[orig_patent_app_number] => 750401 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/750401
Process for the production of biscyanoacrylates Mar 4, 1997 Issued
Array ( [id] => 3956763 [patent_doc_number] => 05936003 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-10 [patent_title] => 'Hydrolytically stable resins for use in anion-exchange chromatography' [patent_app_type] => 1 [patent_app_number] => 8/805858 [patent_app_country] => US [patent_app_date] => 1997-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6925 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/936/05936003.pdf [firstpage_image] =>[orig_patent_app_number] => 805858 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/805858
Hydrolytically stable resins for use in anion-exchange chromatography Mar 2, 1997 Issued
08/808668 MODIFIED CYCLOOLEFIN COPOLYMER Feb 27, 1997 Abandoned
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