Water repellent glass treatment for automotive applications
US6461537B1 · kind B1 · utility
53Cited by
15References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 30, 2000 |
| Grant date | Oct 8, 2002 |
| Priority date | — |
| Expiry date | Jun 30, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31663
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A water repellent glass treatment for automotive applications comprising a windshield washer solvent which contains quaternary compounds, preferably siloxane based quaternary ammonium compounds, fatty quaternary ammonium compounds, and mixtures thereof which are dispersible in water, alcohol's and water alcohol mixtures and imparts a good degree of hydrophobicity to the windshield surface. The fluid is used in underhood washer solvent reservoirs and applied to the windshield of the automobile in the conventional manner and is packaged in diluted solution or a concentrate for addition to the windshield cleaner/solvent solution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.