Patent · US Expired

Composition for the diagnostic visualization of neoplastic tissues

US4113850A · kind A · utility

7Cited by
2References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 29, 1975
Grant dateSep 12, 1978
Priority date
Expiry dateApr 29, 1995

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K2123/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The present invention relates to an injectable complex used for the diagnostic visualization of neoplastic tissues i.e., tumors and metastases, by means of tissue scintigraphy, said injectable complex consisting essentially of .sup.99m Technetium with a dicarboxylic or tricarboxylic acid of the general formula: ##STR1## in which n is 1 or 2, R.sup.1 and R.sup.2 taken together are an oxo group or a >CH--COOH group or R.sup.1 is hydrogen or hydroxyl or an amino group and R.sup.2 is hydrogen or one of the following groups: PAC --CH.sub.2 --COOH; --CHOH--COOH; --CO--COOH, and a water-soluble salt of the same, in a sterile aqueous solution having a physiologically harmless pH value.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.