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

Radioimmunoassay for methadone

Patent 4104367 Issued on August 1, 1978. Estimated Expiration Date: Icon_subject October 13, 1996. 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.

Inventors

Assignee

Application

No. 05/731620 filed on 10/13/1976

US Classes:

436/542, Involving radioactive labeling436/543, INVOLVING PRODUCING OR TREATING ANTIGEN OR HAPTEN436/545, Radioactive label436/804, RADIOISOTOPE (E.G., RADIOIMMUNOASSAY, ETC.)436/815, TEST FOR NAMED COMPOUND OR CLASS OF COMPOUNDS436/816, Alkaloids, amphetamines, and barbiturates530/363, Serum albumin, e.g., BSA, HSA, etc.530/389.8, Binds drug, hapten, hapten-carrier complex, or specifically-identified chemical structure (e.g., theophylline, digoxin, etc.)530/405, Nitrogen containing reactant560/180Polycarboxylic acid

Examiners

Primary: Schafer, Richard E.
Assistant: Nucker, Christine M.

Attorney, Agent or Firm

International Classes

C07K 16/44 (20060101)
G01N 33/94 (20060101)

Abstract

An improved immunoassay for methadone is disclosed. The subject radioimmunoassay utilizes a novel antigen, antibody and novel labelled methadone derivatives.

Other References

  • landon et al., The Analyst, vol. 101, No. 1201, Apr. 1976, pp. 225-243
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