Stripping solution for tin or tin alloys
US4374744A · kind A · utility
30Cited by
2References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 6, 1982 |
| Grant date | Feb 22, 1983 |
| Priority date | — |
| Expiry date | Apr 6, 2002 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K3/067
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A stripping solution for tin or tin alloys which comprises an inorganic and/or organic acid, an oxidizing agent and a heterocyclic compound free of a sulfur atom but containing a nitrogen atom in the form of .dbd.NH or .tbd.N as a ring-forming member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.