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
07/884481 NOVEL UV CURABLE CROSSLINKING AGENTS USEFUL IN COPOLYMERIZATION May 14, 1992 Abandoned
Array ( [id] => 2896080 [patent_doc_number] => 05244929 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-09-14 [patent_title] => 'Molded bodies comprised of macroporous ion exchange resins, and use of said bodies' [patent_app_type] => 1 [patent_app_number] => 7/882770 [patent_app_country] => US [patent_app_date] => 1992-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 5983 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/244/05244929.pdf [firstpage_image] =>[orig_patent_app_number] => 882770 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/882770
Molded bodies comprised of macroporous ion exchange resins, and use of said bodies May 10, 1992 Issued
Array ( [id] => 2970083 [patent_doc_number] => 05182026 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-01-26 [patent_title] => 'Resins having improved exchange kinetics' [patent_app_type] => 1 [patent_app_number] => 7/856615 [patent_app_country] => US [patent_app_date] => 1992-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 7038 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/182/05182026.pdf [firstpage_image] =>[orig_patent_app_number] => 856615 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/856615
Resins having improved exchange kinetics May 3, 1992 Issued
Array ( [id] => 2931161 [patent_doc_number] => 05232953 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-03 [patent_title] => 'Method and apparatus for waste brine management in water conditioners' [patent_app_type] => 1 [patent_app_number] => 7/874749 [patent_app_country] => US [patent_app_date] => 1992-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5171 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/232/05232953.pdf [firstpage_image] =>[orig_patent_app_number] => 874749 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/874749
Method and apparatus for waste brine management in water conditioners Apr 26, 1992 Issued
Array ( [id] => 2972528 [patent_doc_number] => 05194472 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-16 [patent_title] => 'Ester-containing quaternary ammonium salts as adhesion improving toner charge agents' [patent_app_type] => 1 [patent_app_number] => 7/873303 [patent_app_country] => US [patent_app_date] => 1992-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11262 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/194/05194472.pdf [firstpage_image] =>[orig_patent_app_number] => 873303 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/873303
Ester-containing quaternary ammonium salts as adhesion improving toner charge agents Apr 23, 1992 Issued
Array ( [id] => 2877959 [patent_doc_number] => 05159058 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-10-27 [patent_title] => 'Polyglutarimides with improved properties' [patent_app_type] => 1 [patent_app_number] => 7/869976 [patent_app_country] => US [patent_app_date] => 1992-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4677 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/159/05159058.pdf [firstpage_image] =>[orig_patent_app_number] => 869976 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/869976
Polyglutarimides with improved properties Apr 15, 1992 Issued
07/870161 PROCESS FOR MANUFACTURING PHOSPHORIC ACID-TYPE CHELATE RESIN AS URANYL ION ADSORBENTS Apr 14, 1992 Abandoned
Array ( [id] => 3108468 [patent_doc_number] => 05418295 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-05-23 [patent_title] => 'Method of reducing protein deposition in sight correction devices' [patent_app_type] => 1 [patent_app_number] => 7/844677 [patent_app_country] => US [patent_app_date] => 1992-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2443 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/418/05418295.pdf [firstpage_image] =>[orig_patent_app_number] => 844677 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/844677
Method of reducing protein deposition in sight correction devices Apr 12, 1992 Issued
Array ( [id] => 2901722 [patent_doc_number] => 05218055 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-08 [patent_title] => 'Coating compositions and polyanhydrides for use therein' [patent_app_type] => 1 [patent_app_number] => 7/866085 [patent_app_country] => US [patent_app_date] => 1992-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6372 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/218/05218055.pdf [firstpage_image] =>[orig_patent_app_number] => 866085 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/866085
Coating compositions and polyanhydrides for use therein Apr 2, 1992 Issued
Array ( [id] => 2824979 [patent_doc_number] => 05169896 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-12-08 [patent_title] => 'Polymerizable compound and polymer therefrom' [patent_app_type] => 1 [patent_app_number] => 7/861549 [patent_app_country] => US [patent_app_date] => 1992-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8081 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/169/05169896.pdf [firstpage_image] =>[orig_patent_app_number] => 861549 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/861549
Polymerizable compound and polymer therefrom Mar 31, 1992 Issued
Array ( [id] => 2905615 [patent_doc_number] => 05248749 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-09-28 [patent_title] => 'Polymerizable compound and polymer therefrom' [patent_app_type] => 1 [patent_app_number] => 7/861548 [patent_app_country] => US [patent_app_date] => 1992-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8077 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/248/05248749.pdf [firstpage_image] =>[orig_patent_app_number] => 861548 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/861548
Polymerizable compound and polymer therefrom Mar 31, 1992 Issued
Array ( [id] => 2980569 [patent_doc_number] => 05204376 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-04-20 [patent_title] => 'Anion Exchanger and a method for treating a fluid' [patent_app_type] => 1 [patent_app_number] => 7/861341 [patent_app_country] => US [patent_app_date] => 1992-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4093 [patent_no_of_claims] => 5 [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/05/204/05204376.pdf [firstpage_image] =>[orig_patent_app_number] => 861341 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/861341
Anion Exchanger and a method for treating a fluid Mar 29, 1992 Issued
Array ( [id] => 3086298 [patent_doc_number] => 05284879 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-02-08 [patent_title] => 'High ion exchange capacity polyelectrolytes having high crosslink densities and caustic stability' [patent_app_type] => 1 [patent_app_number] => 7/857910 [patent_app_country] => US [patent_app_date] => 1992-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3014 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/284/05284879.pdf [firstpage_image] =>[orig_patent_app_number] => 857910 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/857910
High ion exchange capacity polyelectrolytes having high crosslink densities and caustic stability Mar 25, 1992 Issued
Array ( [id] => 2919205 [patent_doc_number] => 05206318 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-04-27 [patent_title] => 'Styrene derivatives having N-acetylchito-oligosaccharide chains and method for the same' [patent_app_type] => 1 [patent_app_number] => 7/855159 [patent_app_country] => US [patent_app_date] => 1992-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3664 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 15 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/206/05206318.pdf [firstpage_image] =>[orig_patent_app_number] => 855159 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/855159
Styrene derivatives having N-acetylchito-oligosaccharide chains and method for the same Mar 19, 1992 Issued
Array ( [id] => 3067236 [patent_doc_number] => 05294681 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-15 [patent_title] => 'Water insoluble cross-linked acid compositions' [patent_app_type] => 1 [patent_app_number] => 7/854302 [patent_app_country] => US [patent_app_date] => 1992-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4694 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/294/05294681.pdf [firstpage_image] =>[orig_patent_app_number] => 854302 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/854302
Water insoluble cross-linked acid compositions Mar 19, 1992 Issued
Array ( [id] => 3554331 [patent_doc_number] => 05492989 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-02-20 [patent_title] => 'Charge imbalanced polyelectrolyte composition' [patent_app_type] => 1 [patent_app_number] => 7/851709 [patent_app_country] => US [patent_app_date] => 1992-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1173 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/492/05492989.pdf [firstpage_image] =>[orig_patent_app_number] => 851709 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/851709
Charge imbalanced polyelectrolyte composition Mar 15, 1992 Issued
07/844064 NOVEL CYCLIC COMPOUNDS Mar 1, 1992 Abandoned
Array ( [id] => 3076065 [patent_doc_number] => 05320905 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-06-14 [patent_title] => 'Ionomers of ethylene/carboxylic acid copolymers' [patent_app_type] => 1 [patent_app_number] => 7/843879 [patent_app_country] => US [patent_app_date] => 1992-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5093 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/320/05320905.pdf [firstpage_image] =>[orig_patent_app_number] => 843879 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/843879
Ionomers of ethylene/carboxylic acid copolymers Feb 26, 1992 Issued
07/837970 STRENGTH RESINS FOR PAPER Feb 19, 1992 Abandoned
Array ( [id] => 2787305 [patent_doc_number] => 05155191 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-10-13 [patent_title] => 'Preparation process of granular polymers' [patent_app_type] => 1 [patent_app_number] => 7/835115 [patent_app_country] => US [patent_app_date] => 1992-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7020 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/155/05155191.pdf [firstpage_image] =>[orig_patent_app_number] => 835115 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/835115
Preparation process of granular polymers Feb 13, 1992 Issued
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