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
07/510583 STYRENE DERIVATIVES HAVING N-ACETYLCHITO-OLIGOSACCHARIDE CHAINS AND METHOD FOR PREPARING THE SAME Apr 17, 1990 Abandoned
07/508279 PROCESS FOR PRODUCING VINYL CHLORIDE POLYMER Apr 11, 1990 Abandoned
Array ( [id] => 2695619 [patent_doc_number] => 05019628 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-05-28 [patent_title] => 'Silicone containing acrylic star polymers' [patent_app_type] => 1 [patent_app_number] => 7/507277 [patent_app_country] => US [patent_app_date] => 1990-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 5330 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/019/05019628.pdf [firstpage_image] =>[orig_patent_app_number] => 507277 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/507277
Silicone containing acrylic star polymers Apr 9, 1990 Issued
07/506742 POLYAMIDE THERMOSETS Apr 9, 1990 Abandoned
07/507306 POLYMERS WITH HIGH REFRACTIVE INDEX AND LOW OPTICAL DISPERSION Apr 9, 1990 Abandoned
07/508007 AMPHIPHILIC MONOMERS AND POLYMERS AND FILM COMPRISING AT LEAST ONE UNIMOLECULAR LAYER THEREOF Apr 9, 1990 Abandoned
07/505989 COPOLYMERS CROSSLINKABLE BY ULTRAVIOLET RADIATION IN THE ATMOSPHERE Apr 5, 1990 Abandoned
07/504217 LIQUID CRYSTAL POLYESTER THERMOSETS Apr 3, 1990 Abandoned
07/498408 PROCESS FOR THE PEPARATION OF BIFUNCTIONAL STILBENE COMPOUNDS CONTAINING AT LEAST ONE Z-CONFIGURATED STILBENE GROUP, NEW BIFUNCTIONAL STILBENE COMPOUNDS CONTAINING AT LEAST ONE Z-CONFIGURATED STILBENE GROUP AND THE USE OF THE STILBENE COMPOUNDS FOR THE PREPARAT Mar 25, 1990 Abandoned
07/455396 PROCESS FOR PRODUCING POLYACETYLENE Feb 15, 1990 Abandoned
Array ( [id] => 2850217 [patent_doc_number] => 05110977 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-05-05 [patent_title] => 'Ester-containing quaternary ammonium salts as adhesion improving toner charge agents' [patent_app_type] => 1 [patent_app_number] => 7/479774 [patent_app_country] => US [patent_app_date] => 1990-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7873 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/110/05110977.pdf [firstpage_image] =>[orig_patent_app_number] => 479774 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/479774
Ester-containing quaternary ammonium salts as adhesion improving toner charge agents Feb 13, 1990 Issued
Array ( [id] => 2877367 [patent_doc_number] => 05118717 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-02 [patent_title] => 'High ion exchange capacity polyelectrolytes having high crosslink densities and caustic stability' [patent_app_type] => 1 [patent_app_number] => 7/479491 [patent_app_country] => US [patent_app_date] => 1990-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3006 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 13 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/118/05118717.pdf [firstpage_image] =>[orig_patent_app_number] => 479491 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/479491
High ion exchange capacity polyelectrolytes having high crosslink densities and caustic stability Feb 12, 1990 Issued
Array ( [id] => 2973932 [patent_doc_number] => 05194548 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-16 [patent_title] => 'Organic nonlinear optical material' [patent_app_type] => 1 [patent_app_number] => 7/470477 [patent_app_country] => US [patent_app_date] => 1990-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 91 [patent_no_of_words] => 17584 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/194/05194548.pdf [firstpage_image] =>[orig_patent_app_number] => 470477 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/470477
Organic nonlinear optical material Jan 25, 1990 Issued
Array ( [id] => 2829735 [patent_doc_number] => 05117044 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-05-26 [patent_title] => 'Polymerizable compound and polymer therefrom' [patent_app_type] => 1 [patent_app_number] => 7/464121 [patent_app_country] => US [patent_app_date] => 1990-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8078 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/117/05117044.pdf [firstpage_image] =>[orig_patent_app_number] => 464121 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/464121
Polymerizable compound and polymer therefrom Jan 11, 1990 Issued
Array ( [id] => 2786728 [patent_doc_number] => 05130392 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-07-14 [patent_title] => 'Radiation-sensitive polymers' [patent_app_type] => 1 [patent_app_number] => 7/462716 [patent_app_country] => US [patent_app_date] => 1990-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2816 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/130/05130392.pdf [firstpage_image] =>[orig_patent_app_number] => 462716 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/462716
Radiation-sensitive polymers Jan 8, 1990 Issued
Array ( [id] => 2750593 [patent_doc_number] => 05030726 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-09 [patent_title] => 'Polymerizable cyclic urea derivatives' [patent_app_type] => 1 [patent_app_number] => 7/456650 [patent_app_country] => US [patent_app_date] => 1989-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3518 [patent_no_of_claims] => 11 [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/05/030/05030726.pdf [firstpage_image] =>[orig_patent_app_number] => 456650 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/456650
Polymerizable cyclic urea derivatives Dec 28, 1989 Issued
Array ( [id] => 2837042 [patent_doc_number] => 05120809 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-09 [patent_title] => 'Amphiphilic monomers with mixed-chain structure and polymers and film composed of at least one monomolecular layer thereof' [patent_app_type] => 1 [patent_app_number] => 7/453669 [patent_app_country] => US [patent_app_date] => 1989-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3695 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/120/05120809.pdf [firstpage_image] =>[orig_patent_app_number] => 453669 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/453669
Amphiphilic monomers with mixed-chain structure and polymers and film composed of at least one monomolecular layer thereof Dec 19, 1989 Issued
Array ( [id] => 2851237 [patent_doc_number] => 05104956 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-04-14 [patent_title] => 'Stereoregular cyclopolymers and method' [patent_app_type] => 1 [patent_app_number] => 7/452721 [patent_app_country] => US [patent_app_date] => 1989-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3220 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/104/05104956.pdf [firstpage_image] =>[orig_patent_app_number] => 452721 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/452721
Stereoregular cyclopolymers and method Dec 18, 1989 Issued
07/450119 IONOMERS OF ETHYLENE/CARBOXYLIC ACID COPOLYMERS Dec 11, 1989 Abandoned
07/445832 CHELATING RESINS AND METHOD FOR THEIR USE IN THE EXTRACTION OF METAL IONS Nov 21, 1989 Abandoned
Menu