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EP0074429A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Radioactive diagnostic agent and its preparation

Assignee: Nihon Medi Physics Co Ltd
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Filing: 1981-09-16
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Granted: —
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Expires: 2001-09-16
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Abstract

Abstract A radioactive diagnostic agent for imaging of various organs, particularly of brain, which comprises a radioactive element such as 99m TC and a non-radioactive carrier comprising as the essential component glucosone-bis(thioseme- carbazone) of the formula:

Inventors

  • 👤 Akira Yokoyama
  • 👤 Hisashi Tanaka
  • 👤 Akira C/O Yoshie Matsui Yamada
  • 👤 Yasushi Arano

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-02 17:26
CPC Classifications
A; A61; A61K; A61K51/00; A61K51/02; A61K51/04; A61K51/0491; C; C07; C07H; C07H15/00; C07H15/02; A61K2123/00

Claims Analysis

Total Claims: 11
Claim 1
Independent Claim 13 words
A non-radioactive carrier, which comprises as the essential component glucosone-bis(thiosemicarbazone) of the formula:
Claim 2
Dependent Claim 13 words
A non-radioactive carrier, which comprises as the essential component glucosone-bis(thiosemicarbazone) of the formula:
Claim 5
Dependent Claim 16 words
The non-radioactive carrier according to claim 1, which further comprises a reducing or an oxidizing agent.
Claim 6
Dependent Claim 15 words
The non-radioactive carrier according to claim 1, which is in the form of aqueous solution.
Claim 7
Dependent Claim 14 words
The non-radioactive carrier according to claim 1, which is in.the form of lyophilized powder.
Claim 8
Dependent Claim 17 words
A radioactive diagnostic agent, which comprises a radioactive element and the non-radioactive carrier according to claim 1.
Claim 9
Dependent Claim 17 words
A radioactive diagnostic agent, which comprises a radioactive element and the non-radioactive carrier according to claim 2.
Claim 10
Dependent Claim 26 words
The radioactive diagnostic agent according to claim 5, prepared by contacting the radioactive element with the non-radioactive carrier according to claim 1 in an aqueous medium.
Claim 11
Dependent Claim 26 words
The radioactive diagnostic agent according to claim 6, prepared by contacting the radioactive element with the non-radioactive carrier according to claim 2 in an aqueous medium.
Claim 12
Dependent Claim 14 words
Use of the radioactive diagnostic agent according to claim 5 for diagnosis of brain.
Claim 13
Dependent Claim 14 words
Use of the radioactive diagnostic agent according to claim 6 for diagnosis of brain.

References Cited (Backward Citations)

EP0024464A1 Cited

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