Dibasic esters for cleaning electronic circuits
US4934391A · kind A · utility
42Cited by
2References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 2, 1989 |
| Grant date | Jun 19, 1990 |
| Priority date | — |
| Expiry date | Feb 2, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K2203/0783
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Methods and compositions are provided for the removal of soldering flux, screen inks and resists from contaminated surfaces. The compositions of the invention contain dibasic acid esters in combination with an appropriate emulsifying surfactant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.