Phosphonic acid reaction products and use in coating compositions
US6624227B1 · kind B1 · utility
2Cited by
8References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 12, 2000 |
| Grant date | Sep 23, 2003 |
| Priority date | — |
| Expiry date | Jul 12, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2004/20
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention provides an aqueous coating composition comprising nonionically and/or anionically stabilized film-forming polymers and metallic pigments and a compound which is the reaction product of a phosphonic acid derivative, a hydroxy-functional addition polymers and, optionally a compound having a hydroxy group, in which the phosphonic acid derivative is selected from one or both of wherein R and R′ are selected from the group consisting of an aliphatic and an aromatic substituent having 1 to 25 carbon atoms optionally including heteroatoms of at least one of oxygen, phosphorus and silicon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.