Amide combinations for cleaning and stripping of electronic parts
US11016392B2 · kind B2 · utility
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3References
13Claims
0Family size
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Key dates
| Filing date | Jul 6, 2017 |
| Grant date | May 25, 2021 |
| Priority date | — |
| Expiry date | Jul 16, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03F7/425
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A solvent consisting essentially of: (A) a first component consisting of N,N-diethylacetamide (DEAC); (B) a second component consisting of 3-methoxy-N, N-dimethyl propionamide (M3DMPA); and (C) an optional third component consisting of one or more glycol ethers or glycol ether acetates; or a solvent consisting essentially of: (1) a first component consisting of one or more acyclic amides of Formula (I): and (2) an optional second component consisting of one or more of DEAC, M3DMPA, N,N-dimethylpropionamide, one or more glycol ethers or glycol ether acetates, and one or more cyclic amides of Formulae (II-IV).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.