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
07/833828 PROCESS FOR IMPROVING THE HYDROPHILIC PROPERTIES ON POLYMER SURFACES Feb 12, 1992 Abandoned
Array ( [id] => 2987829 [patent_doc_number] => 05212205 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-18 [patent_title] => 'Regeneration of deep bed condensate polishers' [patent_app_type] => 1 [patent_app_number] => 7/830616 [patent_app_country] => US [patent_app_date] => 1992-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 5462 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 285 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/212/05212205.pdf [firstpage_image] =>[orig_patent_app_number] => 830616 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/830616
Regeneration of deep bed condensate polishers Feb 3, 1992 Issued
07/829844 HIGH-RESILIENCE IONOMERIC COMPOSITIONS FOR GOLF BALL COVERS Jan 30, 1992 Abandoned
Array ( [id] => 2784956 [patent_doc_number] => 05141965 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-08-25 [patent_title] => 'Resins having improved exchange kinetics' [patent_app_type] => 1 [patent_app_number] => 7/821524 [patent_app_country] => US [patent_app_date] => 1992-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 7038 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/141/05141965.pdf [firstpage_image] =>[orig_patent_app_number] => 821524 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/821524
Resins having improved exchange kinetics Jan 13, 1992 Issued
Array ( [id] => 3089056 [patent_doc_number] => 05278249 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-01-11 [patent_title] => 'Coating compositions' [patent_app_type] => 1 [patent_app_number] => 7/778899 [patent_app_country] => US [patent_app_date] => 1992-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6985 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/278/05278249.pdf [firstpage_image] =>[orig_patent_app_number] => 778899 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/778899
Coating compositions Jan 9, 1992 Issued
Array ( [id] => 2923165 [patent_doc_number] => 05200473 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-04-06 [patent_title] => 'Chelating resins and method for their use in the extraction of metal ions' [patent_app_type] => 1 [patent_app_number] => 7/812760 [patent_app_country] => US [patent_app_date] => 1991-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4591 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/200/05200473.pdf [firstpage_image] =>[orig_patent_app_number] => 812760 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/812760
Chelating resins and method for their use in the extraction of metal ions Dec 22, 1991 Issued
Array ( [id] => 2879370 [patent_doc_number] => 05185379 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-02-09 [patent_title] => 'Method for regenerating water softener in a washing machine' [patent_app_type] => 1 [patent_app_number] => 7/811034 [patent_app_country] => US [patent_app_date] => 1991-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2152 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/185/05185379.pdf [firstpage_image] =>[orig_patent_app_number] => 811034 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/811034
Method for regenerating water softener in a washing machine Dec 19, 1991 Issued
Array ( [id] => 3010965 [patent_doc_number] => 05281631 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-01-25 [patent_title] => 'Phosphonic acid based ion exchange resins' [patent_app_type] => 1 [patent_app_number] => 7/811098 [patent_app_country] => US [patent_app_date] => 1991-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 6267 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/281/05281631.pdf [firstpage_image] =>[orig_patent_app_number] => 811098 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/811098
Phosphonic acid based ion exchange resins Dec 19, 1991 Issued
Array ( [id] => 2954679 [patent_doc_number] => 05231115 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-07-27 [patent_title] => 'Seeded porous copolymers and ion-exchange resins prepared therefrom' [patent_app_type] => 1 [patent_app_number] => 7/810948 [patent_app_country] => US [patent_app_date] => 1991-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 8943 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/231/05231115.pdf [firstpage_image] =>[orig_patent_app_number] => 810948 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/810948
Seeded porous copolymers and ion-exchange resins prepared therefrom Dec 18, 1991 Issued
Array ( [id] => 2880043 [patent_doc_number] => 05185415 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-02-09 [patent_title] => 'Adsorptive resin for microorganisms' [patent_app_type] => 1 [patent_app_number] => 7/809208 [patent_app_country] => US [patent_app_date] => 1991-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7929 [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/05/185/05185415.pdf [firstpage_image] =>[orig_patent_app_number] => 809208 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/809208
Adsorptive resin for microorganisms Dec 12, 1991 Issued
Array ( [id] => 2913260 [patent_doc_number] => 05237028 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-17 [patent_title] => 'Organic liquid absorbent compositions based on phosphonic acid-containing polymers and di- or polyamines' [patent_app_type] => 1 [patent_app_number] => 7/806955 [patent_app_country] => US [patent_app_date] => 1991-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5514 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 32 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/237/05237028.pdf [firstpage_image] =>[orig_patent_app_number] => 806955 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/806955
Organic liquid absorbent compositions based on phosphonic acid-containing polymers and di- or polyamines Dec 11, 1991 Issued
Array ( [id] => 2824782 [patent_doc_number] => 05169886 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-12-08 [patent_title] => 'Paper sizing agents containing cationic dispersants' [patent_app_type] => 1 [patent_app_number] => 7/802271 [patent_app_country] => US [patent_app_date] => 1991-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5090 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 267 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/169/05169886.pdf [firstpage_image] =>[orig_patent_app_number] => 802271 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/802271
Paper sizing agents containing cationic dispersants Dec 3, 1991 Issued
07/798989 THERMOSETTING RESIN COMPOSITION Dec 1, 1991 Abandoned
Array ( [id] => 2976379 [patent_doc_number] => 05208295 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-04 [patent_title] => 'Charge imbalanced polyelectrolyte composition' [patent_app_type] => 1 [patent_app_number] => 7/796996 [patent_app_country] => US [patent_app_date] => 1991-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 964 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/208/05208295.pdf [firstpage_image] =>[orig_patent_app_number] => 796996 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/796996
Charge imbalanced polyelectrolyte composition Nov 24, 1991 Issued
Array ( [id] => 2988723 [patent_doc_number] => 05212252 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-18 [patent_title] => 'Room-temperature curable resin composition containing acrylic polymer having alicyclic epoxide functions' [patent_app_type] => 1 [patent_app_number] => 7/791503 [patent_app_country] => US [patent_app_date] => 1991-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3032 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/212/05212252.pdf [firstpage_image] =>[orig_patent_app_number] => 791503 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/791503
Room-temperature curable resin composition containing acrylic polymer having alicyclic epoxide functions Nov 13, 1991 Issued
Array ( [id] => 3099773 [patent_doc_number] => 05314922 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-05-24 [patent_title] => 'Ion exchange fibers and method for manufacturing the same' [patent_app_type] => 1 [patent_app_number] => 7/791240 [patent_app_country] => US [patent_app_date] => 1991-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 6588 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/314/05314922.pdf [firstpage_image] =>[orig_patent_app_number] => 791240 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/791240
Ion exchange fibers and method for manufacturing the same Nov 12, 1991 Issued
Array ( [id] => 2944489 [patent_doc_number] => 05254634 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-10-19 [patent_title] => 'Crosslinked copolymer particles and process for producing the same' [patent_app_type] => 1 [patent_app_number] => 7/773572 [patent_app_country] => US [patent_app_date] => 1991-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3634 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/254/05254634.pdf [firstpage_image] =>[orig_patent_app_number] => 773572 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/773572
Crosslinked copolymer particles and process for producing the same Nov 7, 1991 Issued
07/775929 PHOSPHONOMETHYLATED POLYVINYLAMINES AND PREPARATION AND USE THEREOF Nov 5, 1991 Abandoned
07/786463 ANTISETTLING AGENTS FOR AQUEOUS COATING COMPOSITIONS Nov 3, 1991 Abandoned
Array ( [id] => 2987635 [patent_doc_number] => 05266637 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-30 [patent_title] => 'Process for grafting functions onto chlorinated (co)polymers, compositions and shaped objects' [patent_app_type] => 1 [patent_app_number] => 7/773884 [patent_app_country] => US [patent_app_date] => 1991-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4399 [patent_no_of_claims] => 15 [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/05/266/05266637.pdf [firstpage_image] =>[orig_patent_app_number] => 773884 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/773884
Process for grafting functions onto chlorinated (co)polymers, compositions and shaped objects Oct 27, 1991 Issued
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