Method for removing polymer films in the manufacture of aqueous compositions containing acrylates copolymer
US6936113B2 · kind B2 · utility
0Cited by
15References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 22, 2002 |
| Grant date | Aug 30, 2005 |
| Priority date | — |
| Expiry date | Aug 10, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/16
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This invention relates to a method to facilitate the removal of adherent polymeric films from a hard surface occasioned by the evaporation of solvent from compositions containing an anionic acrylates copolymer, the method comprising incorporating a phosphate ester surfactant into the compositions, and washing the film from the surface to which it adheres.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.