Hydrogel and production thereof

Details Hydrogel and production thereof Hydrogel and production thereof

1975-02-21

1977-05-17

Morris, Theodore

Compositions

Preservative agents

Anti-corrosion

106186, 106194, 536 18, 536 22, B01J 1300, C08L 302

Patent

active

040240738

ABSTRACT:
A novel and stable hydrogel contains a water-soluble polymer containing a chelating agent bound to the polymer chain, and a polyvalent metal ion cross-linking the polymer molecules through the chelating agent. The hydrogel is a carrier for timed release of drugs and medicaments.

REFERENCES:
patent: 3378070 (1968-04-01), Wessler
patent: 3804174 (1974-04-01), Chatterjl
59:5385C, Chem. Abstracts.

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