Water-based metal working fluid
US7018959B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Oct 29, 2003 |
| Grant date | Mar 28, 2006 |
| Priority date | — |
| Expiry date | Jan 16, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/244
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A water-based, recyclable metalworking fluid comprises a polyalkylene glycol, an alkanolamine, a polyglycol surfactant, a polyol surfactant, a biocide and a corrosion inhibitor. The biocide may comprise a mixture of biocidal compounds effective against bacterial and fungal organisms. The material may also include an isoalkoxy amine oxide and a glycol ether. The composition may also include ancillary ingredients such as viscosity controlling agents, defoamers, coloring agents and the like. It is a notable feature of the composition of the present invention that it is free of hazardous materials and fatty acids. Also disclosed is a method for using the composition in a metal-shaping operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.