Manufacturing process for memantine
US-9452971-B2 · Sep 27, 2016 · US
Process for preparing 2.2-dibromomalonamide
US8975441B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8975441-B2 |
| Application number | US-94932510-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 18, 2010 |
| Priority date | Nov 23, 2009 |
| Publication date | Mar 10, 2015 |
| Grant date | Mar 10, 2015 |
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Abstract
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The present invention generally relates to a process for preparing 2,2-dibromomalonamide from 2,2-dibromo-3-cyanoacetamide.
First claim
Opening claim text (preview).
What is claimed is: 1. A process for preparing 2,2-dihromomalonamide, the process comprising contacting together an amount of 2,2-dibromo-3-cyanoacetamide and an effective amount of a nitrile-arnide-conversion composition to form a reaction mixture, the contacting being performed in such a way so as to produce 2,2-dibromomalonamide and wherein the process further comprises a. obtaining a mother liquor from the reaction mixture: b. preparing another nitrile-amide-conversion compo…
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Human Necessities · mapped topic
- C07C231/06Primary
Chemistry & Metallurgy · mapped topic
Human Necessities · mapped topic
Human Necessities · mapped topic
Human Necessities · mapped topic
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Frequently asked questions
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- What does patent US8975441B2 cover?
- The present invention generally relates to a process for preparing 2,2-dibromomalonamide from 2,2-dibromo-3-cyanoacetamide.
- Who is the assignee on this patent?
- Gartner Charles D, Carsten Dawn, Dow Global Technologies Llc
- What technology area does this patent fall under?
- Primary CPC classification C07C231/06. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Mar 10 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).