Aluminum amalgam patents:

Patent US6455589

oximes > NHROH col 11 L 34+

Patent US3619176

use of Hg gas

Patent US3883426

waste water treatment

Patent US4273679

Hg alternatives

Patent US5225157

bonding

Patent US6221334

nitro > amine ex 11 col 58 L 38+

Patent US6255353

nitropropane, etc. > NHROH col 6 L 44+

Patent US3976755

nitrates and nitriles > NH2OH using amalgams

See also

Post 386376 (missing)

(PolytheneSam: "nitrates to hydroxylamine", Chemistry Discourse)

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http://www.geocities.com/dritte123/PSPF.html

The hardest thing to explain is the obvious

Also see

Post 387007

(PolytheneSam: "oximes", Methods Discourse)

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http://www.geocities.com/dritte123/PSPF.html

The hardest thing to explain is the obvious

You found some really nice patents here. No wonder you got your title  

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Catalytic hydrogenation freak