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7311759 |
A two-stage process is provided for purifying off-gases from a high-pressure melamine plant. In the first stage, the off-gases are contacted with a recirculated urea melt containing melamine precursors and NH 3 . In the second stage, the...
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4187254 |
An organometallic halide having the formula: (RMX)(MX 2 ) a (MR 2 ) b (MH 2 ) c wherein a≤0.45, b≤0.15, and c≤0.30, X is a halogen, R is a hydrocarbon radical, and M is a metal selected from the group consisting of magnesium, ...
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3880743 |
Compounds having a metal-to-carbon bond are prepared by using an electric arc to comminute metal and thus produce as the comminution progresses, metal in a highly reactive, finely divided form, which is caused to react as it is formed wi...
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3515710 |
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3431073 |
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3423419 |
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3412118 |
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3391127 |
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3374121 |
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3373077 |
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3347893 |
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3346348 |
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3342814 |
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3297756 |
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3274118 |
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3262888 |
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2154603 |
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1867755 |
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