Davis D Hwu

Array ( [id] => 6435752 [patent_doc_number] => 20100152517 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-06-17 [patent_title] => 'EXTRACTION OF ASO FROM SPENT SULFURIC ACID USING LIQUID SO2' [patent_app_type] => utility [patent_app_number] => 12/334009 [patent_app_country] => US [patent_app_date] => 2008-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4922 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0152/20100152517.pdf [firstpage_image] =>[orig_patent_app_number] => 12334009 [rel_patent_id] =>[rel_patent_doc_number] =>)