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Corrosion inhibition

  • US 2,643,178 A
  • Filed: 04/19/1946
  • Issued: 06/23/1953
  • Est. Priority Date: 04/19/1946
  • Status: Expired due to Term
First Claim
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11. IN A METHOD OF INHIBITING CORROSION OF A METAL NORMALLY CORRODIBLE BY CONTACT WITH WATER VAPOR AND OXYGEN, THE STEP OF FORMNG, IN THE IMMEDIATE VICINITY OF SAID METAL AND SUBJECTING SAID METAL TO, AN ATMOSPHERE CONTAINING A CORROSIONINHIBITING CONCENTRATION OF AN ORGANIC AMMONIUM NITRITE SALT HAVING A VAPOR PRESSURE OF AT LEAST 0.00002 MM. HG. AT 21* C., SAID ATMOSPHERE, UPON DISPERSION IN WATER, YIELDING A SOLUTION HAVING A PH VALUE OF AT LEAST 6.

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