Corrosion inhibitors
US5250325A · kind A · utility
13Cited by
12References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 21, 1993 |
| Grant date | Oct 5, 1993 |
| Priority date | — |
| Expiry date | Jan 21, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D5/086
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Coating composition comprising: PA0 A) an organic film-forming binder; and PA0 B) a corrosion-inhibiting amount of a water-insoluble salt of i) a carboxylic acid having the formula (I): ##STR1## and ii) a base selected from a) a cation of Group Ib, IIa, IIb, IIIa, IIIb, IVa, IVb, Va, VIa, VIIa or VIIIa of the Periodic Table of Elements, b) an amine of formula II: ##STR2## c) a guanidine of formula III: EQU R.sub.7 --N.dbd.C(NH.sub.2).sub.2 III PA0 d) an amidine of formula IV: EQU R.sub.7 --C(.dbd.NH)NH.sub.2 IV PA0 or e) melamine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.