Composition and method for road-film removal
US6602350B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 30, 2001 |
| Grant date | Aug 5, 2003 |
| Priority date | — |
| Expiry date | Nov 30, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/14
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Compositions and methods useful in the removal of road film and dirt from vehicles are provided. The compositions can be provided in the form of a concentrate and a ready-to-use or a diluted formulation and can be used to remove a wide range of different types of traffic film. The compositions can contain at least one anionic surfactant, at least one polyoxyalkylene ammonium cationic surfactant and at least one of an alkaline agent and an acidulating agent. Additional components that can be included are a chelating agent, a nonionic surfactant, an amphoteric surfactant, a hydrotrope, and a silicate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.