Multi-stage latex polymers, process of making the same, and coating compositions made thereof
US10227500B2 · kind B2 · utility
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Key dates
| Filing date | Jun 20, 2014 |
| Grant date | Mar 12, 2019 |
| Priority date | — |
| Expiry date | Jun 20, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2308/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A latex polymer of multi-stage polymerization comprising a first stage polymer and a second stage polymer wherein the first stage polymer comprises a first portion of an acrylic monomer and a first portion of a phosphorus acid monomer, and the second stage polymer comprises a second portion of an acrylic monomer and a second portion of a phosphorus acid monomer. A process of making such latex polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.