Pharmaceutical compositions of sulfur colloid and processes thereof
US11471543B2 · kind B2 · utility
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20Claims
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Assignee
Inventors
Key dates
| Filing date | Oct 7, 2019 |
| Grant date | Oct 18, 2022 |
| Priority date | — |
| Expiry date | Oct 7, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K51/0478
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to stable pharmaceutical compositions of sulfur colloid, which advantageously provide a high radiochemical purity to 99mTc-pertechnetate without causing the gel formation. The compositions include pre-lyophilized and lyophilized compositions of sulfur colloid. It also relates to a non-radioactive kit which upon reconstitution with 99mTc-pertechnetate solution gives stabilized 99mmTc-Sulfur colloid radiopharmaceutical composition. Further, the process for preparation of said compositions and their use for diagnostic purposes are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.