Method and composition for rejuvenating weathered polymeric materials
US6669991B2 · kind B2 · utility
0Cited by
14References
24Claims
0Family size
Inventor
Key dates
| Filing date | Mar 22, 2002 |
| Grant date | Dec 30, 2003 |
| Priority date | — |
| Expiry date | Mar 22, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2327/06
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method for rejuvenating a vinyl resin surface, the method comprising applying a composition to the surface, where the composition includes at least one organic solvent compound that has a solubility parameter (&dgr;) of from about 8.0 to about 10.6 (cal/cm3)½.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.