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US 2026/0116899 A1Published application
Exchange resins for impurity removal
AssigneeEntegris, Inc.
InventorsChristopher Brown, Janeth C. Sarmiento Arellano, Sepideh Rezaei
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Abstract
Compositions and methods for impurity removal are provided. A method comprises obtaining a first solution comprising an amino silane compound and a halide impurity. The method comprises contacting the first solution with an anion exchange resin to obtain a second solution. The second solution comprises less of the halide impurity than the first solution.
Claims20
A method comprising:
- obtaining a first solution comprising an amino silane compound and a halide impurity;
- and
- contacting the first solution with an anion exchange resin to obtain a second solution,
- wherein the second solution comprises less of the halide impurity than the first solution.
1 more element
A composition comprising:
- an amino silane compound of the formula:
- where:
- R is independently an alkyl;
- y is 0 to 4;
- and
- z is 0 to 2;
- wherein the composition comprises less than 5 ppm of a halide impurity.
4 more elements
Dependencies are inferred from the claim text.