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] => 3417916 [patent_doc_number] => 05393855 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-02-28 [patent_title] => 'Thermosetting resin composition' [patent_app_type] => 1 [patent_app_number] => 8/264699 [patent_app_country] => US [patent_app_date] => 1994-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12907 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/393/05393855.pdf [firstpage_image] =>[orig_patent_app_number] => 264699 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/264699
Thermosetting resin composition Jun 22, 1994 Issued
Array ( [id] => 3414331 [patent_doc_number] => 05444140 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-08-22 [patent_title] => 'Starve fed emulsion polymerization process' [patent_app_type] => 1 [patent_app_number] => 8/264205 [patent_app_country] => US [patent_app_date] => 1994-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 8470 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/444/05444140.pdf [firstpage_image] =>[orig_patent_app_number] => 264205 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/264205
Starve fed emulsion polymerization process Jun 21, 1994 Issued
Array ( [id] => 3554768 [patent_doc_number] => 05574121 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-11-12 [patent_title] => 'Process for preparing an absorbent resin crosslinked with a mixture of trimethylolpropane diacrylate and triacrylate' [patent_app_type] => 1 [patent_app_number] => 8/262065 [patent_app_country] => US [patent_app_date] => 1994-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8972 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/574/05574121.pdf [firstpage_image] =>[orig_patent_app_number] => 262065 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/262065
Process for preparing an absorbent resin crosslinked with a mixture of trimethylolpropane diacrylate and triacrylate Jun 16, 1994 Issued
Array ( [id] => 3427491 [patent_doc_number] => 05416176 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-05-16 [patent_title] => 'Method for controlling the feed composition to a process for polymerizing isobutylene' [patent_app_type] => 1 [patent_app_number] => 8/260594 [patent_app_country] => US [patent_app_date] => 1994-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4049 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/416/05416176.pdf [firstpage_image] =>[orig_patent_app_number] => 260594 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/260594
Method for controlling the feed composition to a process for polymerizing isobutylene Jun 15, 1994 Issued
08/258280 DEGRADABLE PLASTICS FILM INCLUDING LIGNIN AS ACTIVE VEGETABLE FILLER Jun 9, 1994 Abandoned
Array ( [id] => 3452013 [patent_doc_number] => 05385978 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-01-31 [patent_title] => 'Crimped acrylic fibers having improved thixotropic performance' [patent_app_type] => 1 [patent_app_number] => 8/255689 [patent_app_country] => US [patent_app_date] => 1994-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6097 [patent_no_of_claims] => 8 [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/05/385/05385978.pdf [firstpage_image] =>[orig_patent_app_number] => 255689 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/255689
Crimped acrylic fibers having improved thixotropic performance Jun 7, 1994 Issued
Array ( [id] => 3519817 [patent_doc_number] => 05506318 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-04-09 [patent_title] => 'Process for producing N-vinyl pyrrolidone polymer having low residual monomer' [patent_app_type] => 1 [patent_app_number] => 8/255205 [patent_app_country] => US [patent_app_date] => 1994-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2368 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/506/05506318.pdf [firstpage_image] =>[orig_patent_app_number] => 255205 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/255205
Process for producing N-vinyl pyrrolidone polymer having low residual monomer Jun 6, 1994 Issued
Array ( [id] => 3116353 [patent_doc_number] => 05449697 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-09-12 [patent_title] => 'Ion exchange membrane used for a fuel cell' [patent_app_type] => 1 [patent_app_number] => 8/244210 [patent_app_country] => US [patent_app_date] => 1994-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 6301 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/449/05449697.pdf [firstpage_image] =>[orig_patent_app_number] => 244210 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/244210
Ion exchange membrane used for a fuel cell Jun 2, 1994 Issued
Array ( [id] => 3540135 [patent_doc_number] => 05494989 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-02-27 [patent_title] => 'Acetylenic copolymers and membranes thereof' [patent_app_type] => 1 [patent_app_number] => 8/248236 [patent_app_country] => US [patent_app_date] => 1994-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3713 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/494/05494989.pdf [firstpage_image] =>[orig_patent_app_number] => 248236 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/248236
Acetylenic copolymers and membranes thereof May 23, 1994 Issued
Array ( [id] => 3417511 [patent_doc_number] => 05393825 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-02-28 [patent_title] => 'Films and extrusions of cured crosslinked vinyl lactam polymer and method of preparation' [patent_app_type] => 1 [patent_app_number] => 8/242756 [patent_app_country] => US [patent_app_date] => 1994-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1759 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 281 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/393/05393825.pdf [firstpage_image] =>[orig_patent_app_number] => 242756 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/242756
Films and extrusions of cured crosslinked vinyl lactam polymer and method of preparation May 12, 1994 Issued
Array ( [id] => 3476151 [patent_doc_number] => 05428075 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-06-27 [patent_title] => 'Method for regenerating a sulfonated aromatic organic polymeric ion-exchange resin bed having deactivated aminoorganomercaptan groups with phenol' [patent_app_type] => 1 [patent_app_number] => 8/236815 [patent_app_country] => US [patent_app_date] => 1994-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2110 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/428/05428075.pdf [firstpage_image] =>[orig_patent_app_number] => 236815 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/236815
Method for regenerating a sulfonated aromatic organic polymeric ion-exchange resin bed having deactivated aminoorganomercaptan groups with phenol May 1, 1994 Issued
08/234699 ALPHA, OMEGA-POLYMETHACRYLATE GLYCOLS, METHODS FOR THEIR SYNTHESIS AND THEIR USE FOR THE PREPARATION OF POLYMERS, PARTICULARLY POLYURETHANES AND POLYESTERS Apr 27, 1994 Abandoned
Array ( [id] => 3566912 [patent_doc_number] => 05483016 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-01-09 [patent_title] => 'Method for producing binder resin and toner for electrophotography using the binder resin' [patent_app_type] => 1 [patent_app_number] => 8/233405 [patent_app_country] => US [patent_app_date] => 1994-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9253 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/483/05483016.pdf [firstpage_image] =>[orig_patent_app_number] => 233405 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/233405
Method for producing binder resin and toner for electrophotography using the binder resin Apr 25, 1994 Issued
Array ( [id] => 3573233 [patent_doc_number] => 05539075 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-07-23 [patent_title] => 'Unsaturated ethylene-non conjugated diene copolymers and preparation thereof by radical polymerization' [patent_app_type] => 1 [patent_app_number] => 8/211972 [patent_app_country] => US [patent_app_date] => 1994-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 7651 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/539/05539075.pdf [firstpage_image] =>[orig_patent_app_number] => 211972 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/211972
Unsaturated ethylene-non conjugated diene copolymers and preparation thereof by radical polymerization Apr 20, 1994 Issued
Array ( [id] => 3477935 [patent_doc_number] => 05432229 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-07-11 [patent_title] => 'Aqueous crosslinkable resin composition' [patent_app_type] => 1 [patent_app_number] => 8/229226 [patent_app_country] => US [patent_app_date] => 1994-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5945 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/432/05432229.pdf [firstpage_image] =>[orig_patent_app_number] => 229226 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/229226
Aqueous crosslinkable resin composition Apr 17, 1994 Issued
Array ( [id] => 3114270 [patent_doc_number] => 05395898 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-03-07 [patent_title] => 'N-aryl-substituted poly(meth)acrylimides' [patent_app_type] => 1 [patent_app_number] => 8/228642 [patent_app_country] => US [patent_app_date] => 1994-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2657 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/395/05395898.pdf [firstpage_image] =>[orig_patent_app_number] => 228642 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/228642
N-aryl-substituted poly(meth)acrylimides Apr 17, 1994 Issued
Array ( [id] => 3113502 [patent_doc_number] => 05395857 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-03-07 [patent_title] => 'Optimized ion exchanger beds for the synthesis of bisphenol A' [patent_app_type] => 1 [patent_app_number] => 8/220612 [patent_app_country] => US [patent_app_date] => 1994-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1871 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/395/05395857.pdf [firstpage_image] =>[orig_patent_app_number] => 220612 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/220612
Optimized ion exchanger beds for the synthesis of bisphenol A Mar 30, 1994 Issued
08/220523 REPEATEDLY REGENERATABLE ION EXCHANGER RESINS WITH A THIN COVERING OF ALKYL-SH GROUPS Mar 30, 1994 Abandoned
08/220769 SUPPORTED LEWIS ACID CATALYSTS DERIVED FROM SUPERACIDS USEFUL FOR HYDROCARBON CONVERSION REACTIONS Mar 30, 1994 Abandoned
Array ( [id] => 3430224 [patent_doc_number] => 05455320 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-10-03 [patent_title] => 'Method of making polymeric particles' [patent_app_type] => 1 [patent_app_number] => 8/221544 [patent_app_country] => US [patent_app_date] => 1994-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4340 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/455/05455320.pdf [firstpage_image] =>[orig_patent_app_number] => 221544 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/221544
Method of making polymeric particles Mar 30, 1994 Issued
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