Corrosion inhibitor and sealable thread protector end cap for tubular goods
US5452749A · kind A · utility
14Cited by
31References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 22, 1994 |
| Grant date | Sep 26, 1995 |
| Priority date | — |
| Expiry date | Jun 22, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S507/939
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A liquid anticorrosion composition adapted for application to ferrous tubular goods is provided comprising an aqueous solution of cyclohexylammonium benzoate and a benzoate salt, which is preferably prepared by reacting cyclohexylamine with excess sodium benzoate in an aqueous alcohol solvent. A sealable thread protector end cap which protects the precisely machined threads from physical abuse and which isolates or seals from the environment the corrosion inhibitor composition is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.