| Application number | Title of the application | Filing Date | Status |
|---|
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Array
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[patent_issue_date] => 1991-11-05
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Array
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[patent_issue_date] => 1991-09-10
[patent_title] => 'Process for the removal of arsenic in the manufacture of hydrofluoric acid'
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[patent_app_number] => 7/449446
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[patent_app_date] => 1989-12-12
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Array
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[patent_issue_date] => 1992-01-28
[patent_title] => 'Process for oxidation of hydrogen halides to elemental halogens'
[patent_app_type] => 1
[patent_app_number] => 7/449613
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[patent_app_date] => 1989-12-12
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Array
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[rel_patent_id] =>[rel_patent_doc_number] =>) 07/446972 | Hydrogen sulfide abating cooling toner | Dec 5, 1989 | Issued |
Array
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[patent_doc_number] => 04954330
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Array
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[patent_issue_date] => 1991-02-05
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Array
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[id] => 2709755
[patent_doc_number] => 05009866
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-04-23
[patent_title] => 'Fused salt process for purifying zirconium and/or hafnium tetrachlorides'
[patent_app_type] => 1
[patent_app_number] => 7/437152
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[patent_app_date] => 1989-11-16
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[firstpage_image] =>[orig_patent_app_number] => 437152
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/437152 | Fused salt process for purifying zirconium and/or hafnium tetrachlorides | Nov 15, 1989 | Issued |
| 07/430805 | EFFICIENT PRODUCTION OF CHLORINE FROM HYDROGEN CHLORIDE | Nov 1, 1989 | Abandoned |
Array
(
[id] => 2690583
[patent_doc_number] => 04990320
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[patent_issue_date] => 1991-02-05
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[patent_issue_date] => 1990-10-02
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[rel_patent_id] =>[rel_patent_doc_number] =>) 07/429507 | Process for purifying hydrogen fluoride | Oct 30, 1989 | Issued |
| 07/434270 | TWO-STAGE PROCESS FOR PRODUCTION OF CALCIUM CHLORIDE AND ACETYLENE | Oct 29, 1989 | Abandoned |
Array
(
[id] => 2742698
[patent_doc_number] => 04986973
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[patent_issue_date] => 1991-01-22
[patent_title] => 'Process for the production of chlorine dioxide'
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[patent_app_date] => 1989-10-26
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[rel_patent_id] =>[rel_patent_doc_number] =>) 07/426714 | Process for the production of chlorine dioxide | Oct 25, 1989 | Issued |
| 07/412405 | PROCESS FOR PRODUCING CHLORINE-FREE HYDROCHLORIC ACID LOW IN AOX | Sep 25, 1989 | Abandoned |
Array
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[id] => 2842501
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Array
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[patent_issue_date] => 1991-01-01
[patent_title] => 'Production of anhydrous magnesium chloride'
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| 07/387278 | PROCESS AND PLANT FOR THE CRYSTALLIZATION OF AN INORGANIC SUBSTANCE AND CRYSTALS OF SODIUM CHLORIDE | Jul 30, 1989 | Abandoned |
Array
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[patent_kind] => NA
[patent_issue_date] => 1990-12-25
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