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Water-soluble phosphazene polymers having pharmacological applications

  • US 4,880,622 A
  • Filed: 05/20/1986
  • Issued: 11/14/1989
  • Est. Priority Date: 05/20/1986
  • Status: Expired due to Fees
First Claim
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1. A controlled release article of manufacture comprising a member selected from the group consisting of pharmaceuticals, pesticides, herbicides, plant growth regulators, and fertilizers in a physical admixture with a matrix of a polymer of the formula:

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    space="preserve" listing-type="equation">[NPR(R.sub.2)]nwherein (a) R is selected from the group consisting of lower alkoxy ethers or polyethers, imines, polyimines, sulfides, polysulfides, esters and polyesters, and (b) n is from about 10 to about 20,000.

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