Polymeric active methylene compounds, their preparation and their use in azo polymers
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United States of America Patent
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Jul 2, 1985
Issued Date -
N/A
app pub date -
Feb 17, 1984
filing date -
Nov 9, 1981
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Expired
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Abstract
Polymer compounds which have recurring ##STR1## units are disclosed. These polymers provide active methylene groups which serve as points of attachment for organic groups--particularly azo functionality-containing groups. These azo links can be cleaved by bacteria in the mammalian lower bowel, thereby releasing the corresponding amino groups. This mechanism can effect programmed delivery of pharmaceutically desirable species to the lower bowel.
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