Process for producing n-amino-1-hydroxy-alkyl-idene-1,1-bisphosphonic acids
US5648491A · kind A · utility
30Cited by
3References
14Claims
0Family size
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Key dates
| Filing date | May 20, 1996 |
| Grant date | Jul 15, 1997 |
| Priority date | — |
| Expiry date | May 20, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/657181
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for continuously producing alkylpyrophosphonate, alkylpyrophosphate and multimers thereof and for producing 4-amino-1-hydroxyalkylidene-1,1-bisphosphonic acids or salts thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.