
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 2827472
[patent_doc_number] => 05116921
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-05-26
[patent_title] => 'Superabsorbent crosslinked ampholytic ion pair copolymers'
[patent_app_type] => 1
[patent_app_number] => 7/783735
[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] => 5204
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 149
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/116/05116921.pdf
[firstpage_image] =>[orig_patent_app_number] => 783735
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/783735 | Superabsorbent crosslinked ampholytic ion pair copolymers | Oct 27, 1991 | Issued |
Array
(
[id] => 3087153
[patent_doc_number] => 05284924
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1994-02-08
[patent_title] => 'Process for the preparation of polyolefin/acrylonitrile coploymers and polyolefin/acrylic acid or substituted acrylic acid/acrylonitrile terpolymers'
[patent_app_type] => 1
[patent_app_number] => 7/781791
[patent_app_country] => US
[patent_app_date] => 1991-10-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 1
[patent_no_of_words] => 4739
[patent_no_of_claims] => 11
[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/05/284/05284924.pdf
[firstpage_image] =>[orig_patent_app_number] => 781791
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/781791 | Process for the preparation of polyolefin/acrylonitrile coploymers and polyolefin/acrylic acid or substituted acrylic acid/acrylonitrile terpolymers | Oct 22, 1991 | Issued |
Array
(
[id] => 3036504
[patent_doc_number] => 05300587
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1994-04-05
[patent_title] => 'Oil repellent polymeric composition and use thereof, for preparing formed articles having surfaces endowed with a high stability formed articles having surfaces endowed with a high stability to solvents and a high resistance to soiling'
[patent_app_type] => 1
[patent_app_number] => 7/781995
[patent_app_country] => US
[patent_app_date] => 1991-10-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 2405
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 101
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/300/05300587.pdf
[firstpage_image] =>[orig_patent_app_number] => 781995
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/781995 | Oil repellent polymeric composition and use thereof, for preparing formed articles having surfaces endowed with a high stability formed articles having surfaces endowed with a high stability to solvents and a high resistance to soiling | Oct 17, 1991 | Issued |
Array
(
[id] => 2962827
[patent_doc_number] => 05274041
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-12-28
[patent_title] => 'Golf ball and process for producing the same'
[patent_app_type] => 1
[patent_app_number] => 7/778244
[patent_app_country] => US
[patent_app_date] => 1991-10-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 9
[patent_no_of_words] => 10164
[patent_no_of_claims] => 3
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 212
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/274/05274041.pdf
[firstpage_image] =>[orig_patent_app_number] => 778244
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/778244 | Golf ball and process for producing the same | Oct 16, 1991 | Issued |
Array
(
[id] => 2919351
[patent_doc_number] => 05192616
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-03-09
[patent_title] => 'Macromolecular monomers from living polymers'
[patent_app_type] => 1
[patent_app_number] => 7/775684
[patent_app_country] => US
[patent_app_date] => 1991-10-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 3
[patent_no_of_words] => 11547
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 109
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/192/05192616.pdf
[firstpage_image] =>[orig_patent_app_number] => 775684
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/775684 | Macromolecular monomers from living polymers | Oct 9, 1991 | Issued |
Array
(
[id] => 2976546
[patent_doc_number] => 05208304
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-05-04
[patent_title] => 'Stereoregular cyclopolymers and method'
[patent_app_type] => 1
[patent_app_number] => 7/772562
[patent_app_country] => US
[patent_app_date] => 1991-10-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3216
[patent_no_of_claims] => 12
[patent_no_of_ind_claims] => 8
[patent_words_short_claim] => 212
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/208/05208304.pdf
[firstpage_image] =>[orig_patent_app_number] => 772562
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/772562 | Stereoregular cyclopolymers and method | Oct 6, 1991 | Issued |
Array
(
[id] => 3104509
[patent_doc_number] => 05448004
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1995-09-05
[patent_title] => 'Process for producing vinyl chloride polymer'
[patent_app_type] => 1
[patent_app_number] => 7/770774
[patent_app_country] => US
[patent_app_date] => 1991-10-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3519
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 190
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/448/05448004.pdf
[firstpage_image] =>[orig_patent_app_number] => 770774
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/770774 | Process for producing vinyl chloride polymer | Oct 3, 1991 | Issued |
Array
(
[id] => 2973342
[patent_doc_number] => 05194516
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-03-16
[patent_title] => 'Process for modifying visosity of ethylene copolymers'
[patent_app_type] => 1
[patent_app_number] => 7/769603
[patent_app_country] => US
[patent_app_date] => 1991-10-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 4339
[patent_no_of_claims] => 12
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 160
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/194/05194516.pdf
[firstpage_image] =>[orig_patent_app_number] => 769603
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/769603 | Process for modifying visosity of ethylene copolymers | Sep 30, 1991 | Issued |
Array
(
[id] => 2908377
[patent_doc_number] => 05216102
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-06-01
[patent_title] => 'Process for producing polyacetylene'
[patent_app_type] => 1
[patent_app_number] => 7/767580
[patent_app_country] => US
[patent_app_date] => 1991-09-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 1459
[patent_no_of_claims] => 1
[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/05/216/05216102.pdf
[firstpage_image] =>[orig_patent_app_number] => 767580
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/767580 | Process for producing polyacetylene | Sep 29, 1991 | Issued |
Array
(
[id] => 2848447
[patent_doc_number] => 05110887
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-05-05
[patent_title] => 'Superabsorbent crosslinked ampholytic ion pair copolymers'
[patent_app_type] => 1
[patent_app_number] => 7/761572
[patent_app_country] => US
[patent_app_date] => 1991-09-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 4944
[patent_no_of_claims] => 33
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 158
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/110/05110887.pdf
[firstpage_image] =>[orig_patent_app_number] => 761572
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/761572 | Superabsorbent crosslinked ampholytic ion pair copolymers | Sep 17, 1991 | Issued |
| 07/761403 | POLYMER AMMONIUM BORATES AND PROCESSES FOR THEIR PREPARATION | Sep 16, 1991 | Abandoned |
Array
(
[id] => 2921919
[patent_doc_number] => 05235028
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-08-10
[patent_title] => 'Polyethylene glycol derivatives for solid-phase applications'
[patent_app_type] => 1
[patent_app_number] => 7/760768
[patent_app_country] => US
[patent_app_date] => 1991-09-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 5
[patent_no_of_words] => 5621
[patent_no_of_claims] => 5
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 124
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/235/05235028.pdf
[firstpage_image] =>[orig_patent_app_number] => 760768
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/760768 | Polyethylene glycol derivatives for solid-phase applications | Sep 15, 1991 | Issued |
Array
(
[id] => 2969114
[patent_doc_number] => 05202400
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-04-13
[patent_title] => 'Process for the production of highly water absorptive polymers'
[patent_app_type] => 1
[patent_app_number] => 7/746991
[patent_app_country] => US
[patent_app_date] => 1991-08-19
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 6403
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 105
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/202/05202400.pdf
[firstpage_image] =>[orig_patent_app_number] => 746991
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/746991 | Process for the production of highly water absorptive polymers | Aug 18, 1991 | Issued |
Array
(
[id] => 2913968
[patent_doc_number] => 05178961
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-01-12
[patent_title] => 'Thermally crosslinkable hydrophilic copolymers and their use in reprography'
[patent_app_type] => 1
[patent_app_number] => 7/731464
[patent_app_country] => US
[patent_app_date] => 1991-07-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3811
[patent_no_of_claims] => 24
[patent_no_of_ind_claims] => 3
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[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/178/05178961.pdf
[firstpage_image] =>[orig_patent_app_number] => 731464
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/731464 | Thermally crosslinkable hydrophilic copolymers and their use in reprography | Jul 16, 1991 | Issued |
Array
(
[id] => 2927911
[patent_doc_number] => 05219664
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-06-15
[patent_title] => 'Hydrophilic copolymers and their use in reprography'
[patent_app_type] => 1
[patent_app_number] => 7/731462
[patent_app_country] => US
[patent_app_date] => 1991-07-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3592
[patent_no_of_claims] => 13
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 201
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/219/05219664.pdf
[firstpage_image] =>[orig_patent_app_number] => 731462
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/731462 | Hydrophilic copolymers and their use in reprography | Jul 16, 1991 | Issued |
Array
(
[id] => 2914007
[patent_doc_number] => 05178963
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-01-12
[patent_title] => 'Hydrophilic copolymers and their use in reprography'
[patent_app_type] => 1
[patent_app_number] => 7/731465
[patent_app_country] => US
[patent_app_date] => 1991-07-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3567
[patent_no_of_claims] => 16
[patent_no_of_ind_claims] => 2
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/178/05178963.pdf
[firstpage_image] =>[orig_patent_app_number] => 731465
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/731465 | Hydrophilic copolymers and their use in reprography | Jul 16, 1991 | Issued |
| 07/731463 | HYDROPHILIC COPOLYMERS AND THEIR USE IN REPROGRAPHY | Jul 16, 1991 | Abandoned |
Array
(
[id] => 2935706
[patent_doc_number] => 05229465
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-07-20
[patent_title] => 'Oxygen-permeable polymeric membranes'
[patent_app_type] => 1
[patent_app_number] => 7/722890
[patent_app_country] => US
[patent_app_date] => 1991-06-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3010
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 94
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/229/05229465.pdf
[firstpage_image] =>[orig_patent_app_number] => 722890
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/722890 | Oxygen-permeable polymeric membranes | Jun 27, 1991 | Issued |
Array
(
[id] => 3085513
[patent_doc_number] => 05280095
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1994-01-18
[patent_title] => 'Fine particulate crosslinked type N-vinylamide resin and microgel, process for preparing same, and use thereof'
[patent_app_type] => 1
[patent_app_number] => 7/723038
[patent_app_country] => US
[patent_app_date] => 1991-06-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 11920
[patent_no_of_claims] => 5
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[patent_words_short_claim] => 453
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/280/05280095.pdf
[firstpage_image] =>[orig_patent_app_number] => 723038
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/723038 | Fine particulate crosslinked type N-vinylamide resin and microgel, process for preparing same, and use thereof | Jun 27, 1991 | Issued |
Array
(
[id] => 2870236
[patent_doc_number] => 05162475
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-11-10
[patent_title] => 'Polymerizable surfactant'
[patent_app_type] => 1
[patent_app_number] => 7/722423
[patent_app_country] => US
[patent_app_date] => 1991-06-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 10930
[patent_no_of_claims] => 28
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[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/162/05162475.pdf
[firstpage_image] =>[orig_patent_app_number] => 722423
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/722423 | Polymerizable surfactant | Jun 26, 1991 | Issued |