PROCESS FOR MANUFACTURING AN INJECTION AGENT AND INJECTION AGENT OBTAINABLE BY THIS PROCESS
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United States of America Patent
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Issued Date -
Mar 21, 2024
app pub date -
Sep 15, 2022
filing date -
Sep 23, 2021
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Abstract
A process for manufacturing a viscoelastic injection agent having first and second poloxamers and at least one other component, the process including: a) mixing a first injection agent by mixing a the first poloxamer with the second poloxamer and a third amount of the at least one other component to obtain a predetermined amount of the injection agent;
- b) determining the viscosity of the injection agent obtained in step at different temperatures at a predetermined shear rate to obtain a present viscosity-over-temperature-curve; c) verifying if a maximum viscosity of the present viscosity-over-temperature-curve lays at a predetermined specific temperature range in a predetermined maximum viscosity range depending on the predetermined shear rate; and d) mixing a new injection agent, having amended at least the first amount of the first poloxamer and/or the second amount of the second poloxamer based on determined properties of the first injection agent
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