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Patent Searching and Data


Matches 651 - 700 out of 756

Document Document Title
JPS5815166B2  
JPS5811471B2  
JPS57164188A  
JPS5737378B2  
JPS5729512B2  
JPS5727774Y2  
JPS5796094A  
JPS5718936B2  
JPS5715836B2  
JPS5718784A
PURPOSE: To specific polyvalent metal is added to a petroleum fraction to inhibit the formation of contaminant such as gums and the remaining of unreacted peroxides and remove the arsenic included efficiently. CONSTITUTION: A petroleum f...  
JPS575222B2  
JPS57192A  
JPS56501565A  
JPS56133389A  
JPS5695322A  
JPS5681589A  
JPS5681134A  
JPS5625194B2  
JPS5665616A
PURPOSE: To economically provide required chemicals by using a 2-phenoxy anthraquinone polysulfonic acid or its salts as the major component of oxidation-reduction chemical for wet desulfurization process. CONSTITUTION: Oxidaton-reductio...  
JPS5620901B2  
JPS569197B2  
JPS562117B2  
JPS5544794B2  
JPS5541344B2  
JPS5532684B2  
JPS55102685A  
JPS5511716B2  
JPS5511718B2  
JPS5511714B2  
JPS5511717B2  
JPS5511715B2  
JPS5534214A
PURPOSE: A redox reagent useful for the wet desulfurization process, having improved solubility in water and a conc. aqueous inorganic salt, comprising an anthraquinone-polysulfonate as an active constituent. CONSTITUTION: A reagent comp...  
JPS558116B2  
JPS5519277A  
JPS5518296A  
JPS5518493A  
JPS54157104A  
JPS54151957A
NEW MATERIAL:Compounds of formula I (M is H, Na, K, ammonium group). USE: Oxidation reduction reagents for wet desulfurization process, intermediates for dyes and medicines; they have relatively high solubility in high-concentration inor...  
JPS5439402B1  
JPS5437602B2  
JPS54126204A  
JPS5426244B2  
JPS54101805A  
JPS54101806A  
JPS5460302A
PURPOSE: To prevent a noble metal catalyst from lowering its catalytic activity even in a process wherein an arsenic-containing petroleum cut is treated without removal of arsenic, by oxidizing arsenic in the petrolenm cut. CONSTITUTION:...  
JPS5455559A
NEW MATERIAL:Compounds of formula I (M is H, Na K or ammonium group) USE: Oxidation-reaction reagent for wet type desulfurization process (especially for Stredford process). They are used as various kinds of intermediates. PREPARATION: T...  
JPS5455006A
PURPOSE: To remove arsenic contained in petroleum cuts without requiring expensive equipment and oxidizing agents, by removing the exidation product of arsenic in the petroleum cuts. CONSTITUTION: Petroleum cuts, e.g. crude oil, straight...  
JPS5426806A  
JPS5424863A
PURPOSE: 2 Phenylanthraquinonedisulfonic acid and its salts expressed by formula I: (M is H, Na, K, or NH4).  
JPS5416403A  

Matches 651 - 700 out of 756