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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Johnson; Michael E.
Address:
Hamden, CT
No. of patents:
1
Patents:












Patent Number Title Of Patent Date Issued
4367213 Use of selected catalyzed hydrazine compositions to reduce hexavalent chromium [Cr(VI)] January 4, 1983
Disclosed is a process for reducing hexavalent chromium [Cr(VI)] in aqueous solutions to trivalent chromium [Cr(III)] by reacting a catalyzed hydrazine composition with the hexavalent chromium at a pH in the range from about 6.0 to about 8.0 to form an aqueous slurry of trivalent chr










 
 
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