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Inventor: Zhang; Cheayao
Address: Annandale, NJ
No. of patents: 2
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 7553449 |
Method of determination of corrosion rate |
June 30, 2009 |
| The corrosion rate of a metal immersed in a fluid medium is measured by transmission of a beam of radiation normally in the visible or near infra-red portion of the spectrum, through a thin film of the metal immersed in the medium. The film of the metal is suitably supported on a rad |
| 6593278 |
Method for inhibiting corrosion using certain phosphorus and sulfur-free compounds |
July 15, 2003 |
| The present invention relates to a method for inhibiting corrosion of corrosion-prone metal surfaces by organic acid-containing petroleum streams by providing an effective corrosion-inhibiting amount of certain sulfur and phosphorus-free aromatic compounds substituted with nitrogen, |
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