Windshield wiper blade treatment
US3997935A · kind A · utility
4Cited by
6References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 29, 1975 |
| Grant date | Dec 21, 1976 |
| Priority date | — |
| Expiry date | May 29, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2321/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Windshield wiper blades which have been previously treated with a halogen are subjected to treatment with a solution selected from the group of those having a pH above about 12 and those having a pH between 7 and 12 and a cation concentration of at least -0.09 pH + 1.13 moles per liter where pH is the pH of the solution whereby improved wipe and wear properties are obtained.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.