Patent · US Expired

Pipe varnish compositions and use thereof

US4631083A · kind A · utility

12Cited by
3References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 17, 1985
Grant dateDec 23, 1986
Priority date
Expiry dateJun 17, 2005

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31678
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Pipe varnish compositions effective to inhibit corrosion of steel pipe over appreciable periods of time of storage of said steel pipe, said compositions comprising a thixotropic overbased calcium organic sulfonate calcium carbonate complex; and a drying oil such as linseed oils; a drier, preferably of the paint drier type, such as cobalt naphthenate, zirconium octoate and manganese salts or soaps, or mixtures thereof; and also containing at least one member of the group of epoxidized oils, polybutenes, and alkyd resins; and, optionally, such ingredients as waxes, petrolatums and resins.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.