Claims
- 1. An electrically conducting self-doped carbazole polymer of the formula: ##STR4## wherein A is a bifunctional molecule capable of bonding to a positively charged molecule at one end and is capable of bonding to a flexible spacer group Z at another end, Z is a flexible spacer group capable of bonding to an anionic group A at one end and is capable of bonding either to a nitrogen or aromatic electron withdrawing or electron donating group at another end, E is a bifunctional molecule capable of bonding to nitrogen at one end and is capable of bonding to a flexible spacer group Z at another end, X is a positively charged counterion, and n is at least 2.
- 2. The polymer of claim 1 wherein A is a sulfonate or carboxylate, Z is a (--CH.sub.2 --).sub.n group with n equal to at least 1 or a (--ROR--) group with R being a C.sub.1 to C.sub.4 alkylene group, E is a furan, pyrrole, thiophene, pyrimidine, or vinyl benzene group, and n is 2 to 100.
- 3. The polymer of claim 2 wherein X is a cationic drug.
- 4. A drug comprising an electrically conducting self-doped carbazole polymer of the formula: ##STR5## wherein A is a bifunctional molecule capable of bonding to a positively charged molecule at one end and is capable of bonding to a flexible spacer group Z at another and, Z is a flexible spacer group capable of bonding to an anionic group A at one end and is capable of bonding either to an aromatic nitrogen or electron withdrawing or electron donating group at another end, E is a bifunctional molecule capable of bonding to nitrogen at one nd and is capable of bonding to a flexible spacer group Z at another end, X is a positively charged drug molecule, and n is at least 2.
- 5. The drug of claim 4 wherein A is a sulfonate or carboxylate, Z is a (--CH.sub.2 --).sub.n group with n equal to at least 1 or a (--ROR--) group with R being a C.sub.1 to C.sub.4 alkylene group, E is a furan, pyrrole, thiophene, pyrimidine, or vinyl benzene group, and n is 2 to 100.
- 6. The drug of claim 4 or 5 wherein X is a hydrochloride of cocaine, cocaine derivative, barbituate, phenothiazene, antipyrine, morphine, codeine, analeptic, adrenergic blocker, cholinergic blocker, or tertiary ammonium salt of an anticholinergic.
Parent Case Info
This application is a division of application Ser. No. 391,282, filed Aug. 8, 1989. U.S. Pat. No. 4,994,023.
US Referenced Citations (5)
Divisions (1)
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Number |
Date |
Country |
Parent |
391282 |
Aug 1989 |
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