Anthraquinone derivatives and their use as protein absorbents
US4864018A · kind A · utility
1Cited by
3References
12Claims
0Family size
Assignee
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Key dates
| Filing date | Jul 14, 1986 |
| Grant date | Sep 5, 1989 |
| Priority date | — |
| Expiry date | Jul 14, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B62/004
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
A compound of the formula: ##STR1## wherein X is a non-chromophoric bridging group which provides at least three single covalent bonds between Ring B and the group R; PA0 R is a group containing a reactive halogen atom; and PA0 each A independently is H or an acidic group; provided that the molecule contains sufficient acidic groups to render it water soluble and then when X provides only 3 covalent bonds between Ring B and R, the latter is not a chlorodifuoropyrimidyl group, which is suitable for the preparation of a protein adsorbent or precipitant for use in the separation of mixtures of proteins.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.