Rust-preventive pigment composition and rust-preventive paints containing the same
US6139616A · kind A · utility
22Cited by
0References
4Claims
0Family size
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Key dates
| Filing date | Mar 30, 1999 |
| Grant date | Oct 31, 2000 |
| Priority date | — |
| Expiry date | Mar 30, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2004/80
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to an anti-corrosive pigment composition, characterized by comprising, as main components, white anti-corrosive pigment and an inorganic anion exchanger represented by the following formula (1): EQU (3-4)[M.sub.1 ]O.Al.sub.2 O.sub.3.[M.sub.2 ]X.sub.2/m .multidot.nH.sub.2 O(1) PA1 (wherein, M.sub.1 and M.sub.2 are at least one selected from Ca.sup.2+ or Zn.sup.2+, X represents at least one anion selected from NO.sub.2.sup.-, NO.sub.3.sup.- or MoO.sub.4.sup.2-, m represents a valency of the anion, and n is 20 or less).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.