Lubricant compositions for forging or extrusion
US4402838A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Sep 11, 1981 |
| Grant date | Sep 6, 1983 |
| Priority date | — |
| Expiry date | Sep 11, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2050/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A lubricant composition for forging or extrusion comprising a mixture of: PA1 (A) at least one compound selected from among phosphoric acid and salts thereof, PA1 (B) at least one compound selected from among boric acid and salts thereof, PA1 (C) at least one compound selected from among carbonates, nitrates, sulfates and hydroxides of alkali metals, and PA1 (D) a phyllosilicate, the mixture containing the compounds (A) to (C) in amounts, calculated as oxides, of 40 to 44 mole % of P.sub.2 O.sub.5, up to 9 mole % of B.sub.2 O.sub.3 and 30 to 60 mole % of M.sub.2 O wherein M is an alkali metal, respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.