Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Metal – metal oxide or metal hydroxide
Reexamination Certificate
2000-09-25
2008-12-16
Nguyen, Cam N. (Department: 1793)
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Metal, metal oxide or metal hydroxide
C502S104000, C502S242000, C502S351000
Reexamination Certificate
active
07465691
ABSTRACT:
The invention relates to a process of preparing a composition for natural and waste waters purification, by heating and stirring and acid titanium-containing solution with metal compounds selected from the group consisting of Group I-Group V and Group VIII of the periodic table of elements by heat treating said compounds with titanium solutions in at least two heating steps and introducing additional compounds (trivalent titanium compounds and metal oxides).
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Stremilov Serguei Vladimirovich
Stremilova Nina Nikolaevna
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