U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Rectally absorbable form of L-dopa

Patent 4663349 Issued on May 5, 1987. Estimated Expiration Date: Icon_subject December 30, 2005. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Inventor

Assignee

Application

No. 06/814861 filed on 12/30/1985

US Classes:

514/535The nitrogen of the Z radical is directly bonded to a benzene ring which is directly bonded to the C(=O) group

Examiners

Primary: Friedman, Stanley J.

Attorney, Agent or Firm

International Classes

A61K 31/215 (20060101)
A61K 31/21 (20060101)

Abstract

The invention relates to compositions and methods of enhancing rectal absorption of L-dopa via the formation of an ester prodrug and optionally with a decarboxylase inhibitor.

Other References

  • Cutting's Handbook of Pharmacology, 41, "Sympathetic Stimulants of Adrenergic Agents", pp. 436-455, Sixth Edition (1979)
  • The Merck Index, pp. 3224 & 5314, Ninth Edition (1976)
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