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CA1078731A Expired / Lapsed CA ⏱️ 0.0 years remaining

Skeletal imaging kit utilizing triethylene tetramine hexa (methylene phosphonic acid)

Assignee: Merck Frosst Canada and Co
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Filing: 1976-12-16
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Granted: 1980-06-03
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Expires: 1996-12-16
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Abstract

Abstract Abstract of the Disclosure This invention relates to a novel diagnostic kit for use in radiographic bone scanning. More particularly, it relates to a kit comprising ingredients employed in the preparation of an intravenous injection of a complex of Technetium-99m, stannous ion, and an organic phosphonate identified as triethylene tetramine hexa (methylene phos-phonic acid).

Inventors

  • 👤 Richard E. Rolleston
  • 👤 Jacques A. Nadeau

Bibliographic Details

Application Number —
Jurisdiction CA
Data Source google_patents
Last Synchronized 2026-10-26 02:36
CPC Classifications
A; A61; A61K; A61K51/00; A61K51/12; A61K51/1241; A61K2123/00

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 39 words
A kit for the preparation of an injectable solution incorporating Technetium 99m which comprises in a single sterile container a freeze-dried mixture of triethylene tetramine hexa (methylene phosphonic acid) or a water-soluble salt thereof and a water-soluble tin salt.
Claim 2
Dependent Claim 39 words
A kit for the preparation of an injectable solution incorporating Technetium 99m which comprises in a single sterile container a freeze-dried mixture of triethylene tetramine hexa (methylene phosphonic acid) or a water-soluble salt thereof and a water-soluble tin salt.
Claim 3
Dependent Claim 64 words
A kit for the preparation of an injectable solution incorporating Technetium 99m which comprises in a single sterile container a freeze-dried mixture of triethylene tetramine hexa (methylene phosphonic acid) or a water-soluble salt thereof and a water-soluble tin salt in a ratio by weight of from 10-100 parts of triethylene tetramine hexa (methylene phosphonic acid) and 1 part of tin as stannous chloride? dihydrate.
Claim 4
Dependent Claim 64 words
A kit for the preparation of an injectable solution incorporating Technetium 99m which comprises in a single sterile container a freeze-dried mixture of triethylene tetramine hexa (methylene phosphonic acid) or a water-soluble salt thereof and a water-soluble tin salt in a ratio by weight of from 10-100 parts of triethylene tetramine hexa (methylene phosphonic acid) and 1 part of tin as stannous chloride? dihydrate.
Claim 5
Dependent Claim 33 words
A kit in accordance with Claim 2 in which the weight ratio of the components is 40 parts of triethylene tetramine hexa (methylene phosphonic acid) and 1 part of tin as stannous chloride?dihydrate.
Claim 6
Dependent Claim 33 words
A kit in accordance with Claim 3 in which the triethylene tetramine hexa (methylene phosphonic acid) is present as the free acid and the tin is added in the form of stannous chloride?dihydrate.

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