
Ngan V. Ngo
Examiner (ID: 3789, Phone: (571)272-1711 , Office: P/2819 )
| Most Active Art Unit | 2503 |
| Art Unit(s) | 2503, 2814, 2818, 2819, 2893, 2811 |
| Total Applications | 3475 |
| Issued Applications | 2900 |
| Pending Applications | 46 |
| Abandoned Applications | 536 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 2066071
[patent_doc_number] => 04459179
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[patent_kind] => NA
[patent_issue_date] => 1984-07-10
[patent_title] => 'Separation of isopropyl ether from acetone by extractive distillation'
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[pdf_file] => patents/04/459/04459179.pdf
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[rel_patent_id] =>[rel_patent_doc_number] =>) 06/456321 | Separation of isopropyl ether from acetone by extractive distillation | Jan 5, 1983 | Issued |
Array
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[patent_kind] => NA
[patent_issue_date] => 1983-09-13
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[rel_patent_id] =>[rel_patent_doc_number] =>) 06/454752 | Water extractive distillation of olefinically unsaturated nitriles | Dec 29, 1982 | Issued |
Array
(
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[patent_issue_date] => 1985-12-03
[patent_title] => 'Safety control device for vapor generating and recovering apparatus'
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[patent_app_date] => 1982-12-27
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[rel_patent_id] =>[rel_patent_doc_number] =>) 06/453218 | Safety control device for vapor generating and recovering apparatus | Dec 26, 1982 | Issued |
Array
(
[id] => 2206069
[patent_doc_number] => 04544776
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1985-10-01
[patent_title] => 'Process for separating methanol from the reaction products obtained in the etherification of C.sub.4 through C.sub.7 isoolefins with methanol'
[patent_app_type] => 1
[patent_app_number] => 6/451707
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[rel_patent_id] =>[rel_patent_doc_number] =>) 06/451707 | Process for separating methanol from the reaction products obtained in the etherification of C.sub.4 through C.sub.7 isoolefins with methanol | Dec 19, 1982 | Issued |
Array
(
[id] => 2173794
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[patent_issue_date] => 1985-12-03
[patent_title] => 'Process for separating highly pure butene-1 or butene-1/isobutene mixture from C.sub.4 hydrocarbon fraction'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 06/445974 | Process for separating highly pure butene-1 or butene-1/isobutene mixture from C.sub.4 hydrocarbon fraction | Nov 30, 1982 | Issued |
Array
(
[id] => 2182138
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[patent_issue_date] => 1985-11-26
[patent_title] => 'Process for separating highly pure butene-1 or butene-1/isobutene mixture from C.sub.4 hydrocarbon fraction'
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[patent_app_number] => 6/444039
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[rel_patent_id] =>[rel_patent_doc_number] =>) 06/444039 | Process for separating highly pure butene-1 or butene-1/isobutene mixture from C.sub.4 hydrocarbon fraction | Nov 22, 1982 | Issued |
Array
(
[id] => 2217456
[patent_doc_number] => 04595459
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[patent_kind] => NA
[patent_issue_date] => 1986-06-17
[patent_title] => 'Desalinization apparatus'
[patent_app_type] => 1
[patent_app_number] => 6/441002
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[patent_app_date] => 1982-11-12
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[rel_patent_id] =>[rel_patent_doc_number] =>) 06/441002 | Desalinization apparatus | Nov 11, 1982 | Issued |
Array
(
[id] => 2113851
[patent_doc_number] => 04479851
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1984-10-30
[patent_title] => 'Purification of video disc lubricant additives'
[patent_app_type] => 1
[patent_app_number] => 6/440452
[patent_app_country] => US
[patent_app_date] => 1982-11-10
[patent_effective_date] => 0000-00-00
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[firstpage_image] =>[orig_patent_app_number] => 440452
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/440452 | Purification of video disc lubricant additives | Nov 9, 1982 | Issued |
Array
(
[id] => 2036475
[patent_doc_number] => 04414074
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1983-11-08
[patent_title] => 'Process for the purification of 4,4\'-diisocyanatodiphenylmethane by plural distillations'
[patent_app_type] => 1
[patent_app_number] => 6/436489
[patent_app_country] => US
[patent_app_date] => 1982-10-25
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[pdf_file] => patents/04/414/04414074.pdf
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[rel_patent_id] =>[rel_patent_doc_number] =>) 06/436489 | Process for the purification of 4,4'-diisocyanatodiphenylmethane by plural distillations | Oct 24, 1982 | Issued |
| 06/436050 | PROCESS AND DEVICE FOR REMOVING SOLVENTS FROM BULK MATERIAL | Oct 21, 1982 | Abandoned |
Array
(
[id] => 2195201
[patent_doc_number] => 04495028
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1985-01-22
[patent_title] => 'Process control for flash concentrating solutions containing polyolefins'
[patent_app_type] => 1
[patent_app_number] => 6/427247
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[patent_app_date] => 1982-09-29
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Array
(
[id] => 2438177
[patent_doc_number] => 04778535
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[patent_issue_date] => 1988-10-18
[patent_title] => 'Vapor generating and recovery apparatus and process'
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Array
(
[id] => 2234708
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| 06/424561 | METHOD OF SEPARATING A MIXED LIQUID INTO LIGHT AND HEAVY FRACTIONS BY DISTILLATION | Sep 26, 1982 | Abandoned |
Array
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Array
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[patent_title] => 'Separation of ethyl acetate from methyl ethyl ketone by extractive distillation'
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Array
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Array
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[patent_title] => 'Method for the separation of indole'
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Array
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