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Sera S. Abed-Ali Patents |
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Inventor: Abed-Ali; Sera S.
Address: Bath, GB2
No. of patents: 2
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4908135 |
Moiety for selective separation |
March 13, 1990 |
| New C-substituted crown ethers such as ##STR1## are made by reacting a 1,2-diol (chain length m'4) with ClCH.sub.2 --(CH.sub.2 --O--CH.sub.2 --).sub.n+1 CH.sub.2 Cl.These compounds have a stronger affinity for secondary amines than for tertiary amines and therefore may be used to sep |
| 4900845 |
Moiety for selective separation |
February 13, 1990 |
| New C-substituted crown ethers such as ##STR1## are made by reacting a 1,2-diol (chain length m+4) with ClCH.sub.2 --(CH.sub.2 --O--CH.sub.2 --).sub.n+1 CH.sub.2 Cl.These compounds have a stronger affinity for secondary amines than for tertiary amines and therefore may be used to sep |
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