| Application number | Title of the application | Filing Date | Status |
|---|
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[patent_title] => 'Method for removing a heavy metal from a waste stream'
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Array
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[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1994-05-31
[patent_title] => 'Process for reduction of hexavalent chromium'
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[patent_app_number] => 7/762643
[patent_app_country] => US
[patent_app_date] => 1991-09-19
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[firstpage_image] =>[orig_patent_app_number] => 762643
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/762643 | Process for reduction of hexavalent chromium | Sep 18, 1991 | Issued |
| 07/758682 | METHOD AND DEVICE FOR INHIBITING BACTERIAL GROWTH ON SORBENT MEDIA | Sep 11, 1991 | Abandoned |
| 07/759002 | MATERIALS FOR REMOVING SUSPENDED IMPURITIES AND USE THEREOF | Sep 10, 1991 | Abandoned |
Array
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[id] => 2848051
[patent_doc_number] => 05112494
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-05-12
[patent_title] => 'Removal of cyanide from water'
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[patent_app_number] => 7/754087
[patent_app_country] => US
[patent_app_date] => 1991-09-03
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[firstpage_image] =>[orig_patent_app_number] => 754087
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/754087 | Removal of cyanide from water | Sep 2, 1991 | Issued |
| 07/751834 | SYSTEM FOR PURIFYING WATER CONTAINING IMMISCIBLE ORGANIC COMPOUNDS | Aug 29, 1991 | Abandoned |
Array
(
[id] => 2817939
[patent_doc_number] => 05169534
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-12-08
[patent_title] => 'Metal ion and organic contaminant disposal'
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[patent_app_date] => 1991-08-28
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Array
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[id] => 4402832
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[patent_kind] => NA
[patent_issue_date] => 2001-05-08
[patent_title] => 'Apparatus for contacting fluids and solids'
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[patent_app_date] => 1991-08-23
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[rel_patent_id] =>[rel_patent_doc_number] =>) 07/749554 | Apparatus for contacting fluids and solids | Aug 22, 1991 | Issued |
| 07/742351 | PROCESS FOR SEPARATING AND/OR RECOVERING HYDROCARBON OILS FROM WATER USING BIODEGRADABLE ABSORBENT SPONGES | Aug 7, 1991 | Abandoned |
Array
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[patent_issue_date] => 1993-03-02
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Array
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[id] => 2913181
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[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-08-10
[patent_title] => 'Semi-permeable membrane filtering systems for swimming pools'
[patent_app_type] => 1
[patent_app_number] => 7/736433
[patent_app_country] => US
[patent_app_date] => 1991-07-26
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[firstpage_image] =>[orig_patent_app_number] => 736433
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/736433 | Semi-permeable membrane filtering systems for swimming pools | Jul 25, 1991 | Issued |
| 07/727056 | APPARATUS AND METHOD TO RECOVER PETROLEUM FROM SLICKS & SPILLS | Jul 7, 1991 | Abandoned |
Array
(
[id] => 2853568
[patent_doc_number] => RE034112
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-10-27
[patent_title] => 'Condensate purification process'
[patent_app_type] => 2
[patent_app_number] => 7/722077
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Array
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[patent_issue_date] => 1992-05-12
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[rel_patent_id] =>[rel_patent_doc_number] =>) 07/719201 | Recovery process for electroless plating baths | Jun 20, 1991 | Issued |
Array
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[patent_issue_date] => 1992-09-15
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Array
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Array
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