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] => 3057704 [patent_doc_number] => 05357009 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-10-18 [patent_title] => 'Polymer scale preventive agent' [patent_app_type] => 1 [patent_app_number] => 8/071267 [patent_app_country] => US [patent_app_date] => 1993-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7010 [patent_no_of_claims] => 3 [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/05/357/05357009.pdf [firstpage_image] =>[orig_patent_app_number] => 071267 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/071267
Polymer scale preventive agent Jun 3, 1993 Issued
08/071406 POLYMER SCALE PREVENTIVE AGENT Jun 3, 1993 Pending
08/063057 SYNDIOTACTIC PROPYLENE COPOLYMER, PREPARATION OF THE SAME, AND RESIN COMPOSITION CONTAINING THE SAME May 18, 1993 Pending
08/059626 POLYETHYLENE GLYCOL DERIVATIVES FOR SOLID-PHASE APPLICATIONS May 9, 1993 Pending
Array ( [id] => 3114577 [patent_doc_number] => 05464915 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-11-07 [patent_title] => 'Method of preparing styrene polymers by suspension polymerization' [patent_app_type] => 1 [patent_app_number] => 8/039470 [patent_app_country] => US [patent_app_date] => 1993-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9189 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/464/05464915.pdf [firstpage_image] =>[orig_patent_app_number] => 039470 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/039470
Method of preparing styrene polymers by suspension polymerization Apr 25, 1993 Issued
Array ( [id] => 2991331 [patent_doc_number] => 05346958 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-09-13 [patent_title] => 'Curable coating compositions containing polystyrene microparticles' [patent_app_type] => 1 [patent_app_number] => 8/046987 [patent_app_country] => US [patent_app_date] => 1993-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 9300 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/346/05346958.pdf [firstpage_image] =>[orig_patent_app_number] => 046987 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/046987
Curable coating compositions containing polystyrene microparticles Apr 15, 1993 Issued
Array ( [id] => 3029549 [patent_doc_number] => 05349036 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-09-20 [patent_title] => 'Amphipathic copolymer pigment dispersants' [patent_app_type] => 1 [patent_app_number] => 8/048227 [patent_app_country] => US [patent_app_date] => 1993-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6864 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/349/05349036.pdf [firstpage_image] =>[orig_patent_app_number] => 048227 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/048227
Amphipathic copolymer pigment dispersants Apr 15, 1993 Issued
Array ( [id] => 4005117 [patent_doc_number] => 05859135 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-01-12 [patent_title] => 'Aqueous coating compositions comprising functional group-containing crosslinkable resins' [patent_app_type] => 1 [patent_app_number] => 8/048345 [patent_app_country] => US [patent_app_date] => 1993-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11473 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 446 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/859/05859135.pdf [firstpage_image] =>[orig_patent_app_number] => 048345 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/048345
Aqueous coating compositions comprising functional group-containing crosslinkable resins Apr 14, 1993 Issued
Array ( [id] => 3523053 [patent_doc_number] => 05489616 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-02-06 [patent_title] => 'Process for manufacturing phosphoric acid-type chelate resin as uranyl ion absorbents' [patent_app_type] => 1 [patent_app_number] => 8/224057 [patent_app_country] => US [patent_app_date] => 1993-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3765 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/489/05489616.pdf [firstpage_image] =>[orig_patent_app_number] => 224057 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/224057
Process for manufacturing phosphoric acid-type chelate resin as uranyl ion absorbents Apr 6, 1993 Issued
Array ( [id] => 3045722 [patent_doc_number] => 05286789 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-02-15 [patent_title] => 'Solid phase multiple peptide synthesis' [patent_app_type] => 1 [patent_app_number] => 8/041901 [patent_app_country] => US [patent_app_date] => 1993-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6548 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 29 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/286/05286789.pdf [firstpage_image] =>[orig_patent_app_number] => 041901 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/041901
Solid phase multiple peptide synthesis Apr 1, 1993 Issued
08/041171 PROCESS FOR PREPARING POLYOLEFINS WITH BROAD MOLECULAR-WEIGHT DISTRIBUTION Mar 31, 1993 Pending
08/040342 CROSSLINKING AGENT FOR ACRYLIC RUBBER Mar 29, 1993 Pending
Array ( [id] => 2991656 [patent_doc_number] => 05346976 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-09-13 [patent_title] => 'Itaconate copolymeric compositions for contact lenses' [patent_app_type] => 1 [patent_app_number] => 8/038970 [patent_app_country] => US [patent_app_date] => 1993-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4299 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/346/05346976.pdf [firstpage_image] =>[orig_patent_app_number] => 038970 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/038970
Itaconate copolymeric compositions for contact lenses Mar 28, 1993 Issued
Array ( [id] => 3417887 [patent_doc_number] => 05393853 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-02-28 [patent_title] => 'Hydrogels of heterocyclic polymer, method of obtaining them, and their use as insoluble pH-regulating pellets' [patent_app_type] => 1 [patent_app_number] => 8/030308 [patent_app_country] => US [patent_app_date] => 1993-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3612 [patent_no_of_claims] => 2 [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/05/393/05393853.pdf [firstpage_image] =>[orig_patent_app_number] => 030308 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/030308
Hydrogels of heterocyclic polymer, method of obtaining them, and their use as insoluble pH-regulating pellets Mar 28, 1993 Issued
08/037587 AQUEOUS CROSSLINKING RESIN COMPOSITION Mar 25, 1993 Pending
Array ( [id] => 2962995 [patent_doc_number] => 05274050 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-12-28 [patent_title] => 'Organic liquid absorbent compositions based on phosphonic acid-containing polymers and di- or polyamines' [patent_app_type] => 1 [patent_app_number] => 8/038586 [patent_app_country] => US [patent_app_date] => 1993-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5512 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/274/05274050.pdf [firstpage_image] =>[orig_patent_app_number] => 038586 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/038586
Organic liquid absorbent compositions based on phosphonic acid-containing polymers and di- or polyamines Mar 25, 1993 Issued
Array ( [id] => 3108504 [patent_doc_number] => 05418297 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-05-23 [patent_title] => 'Crosslinking agent and curable composition' [patent_app_type] => 1 [patent_app_number] => 8/027152 [patent_app_country] => US [patent_app_date] => 1993-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7715 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/418/05418297.pdf [firstpage_image] =>[orig_patent_app_number] => 027152 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/027152
Crosslinking agent and curable composition Mar 15, 1993 Issued
Array ( [id] => 3058867 [patent_doc_number] => 05338805 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-08-16 [patent_title] => 'Polymethacrylimides having high heat distortion resistance' [patent_app_type] => 1 [patent_app_number] => 8/031907 [patent_app_country] => US [patent_app_date] => 1993-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7851 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 627 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/338/05338805.pdf [firstpage_image] =>[orig_patent_app_number] => 031907 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/031907
Polymethacrylimides having high heat distortion resistance Mar 15, 1993 Issued
Array ( [id] => 2991852 [patent_doc_number] => 05362562 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-11-08 [patent_title] => 'Crimped acrylic fibers having improved thixotropic performance' [patent_app_type] => 1 [patent_app_number] => 8/030953 [patent_app_country] => US [patent_app_date] => 1993-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6099 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/362/05362562.pdf [firstpage_image] =>[orig_patent_app_number] => 030953 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/030953
Crimped acrylic fibers having improved thixotropic performance Mar 11, 1993 Issued
Array ( [id] => 3036855 [patent_doc_number] => 05300606 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-04-05 [patent_title] => 'Liquid absorption agent' [patent_app_type] => 1 [patent_app_number] => 8/031022 [patent_app_country] => US [patent_app_date] => 1993-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14063 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 282 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/300/05300606.pdf [firstpage_image] =>[orig_patent_app_number] => 031022 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/031022
Liquid absorption agent Mar 10, 1993 Issued
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