Forming spherical crystal habit
US8962888B2 · kind B2 · utility
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Key dates
| Filing date | Mar 6, 2013 |
| Grant date | Feb 24, 2015 |
| Priority date | — |
| Expiry date | Mar 22, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C277/06
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Methods for forming spherical crystal habit are shown. A needle-shaped crystal habit, a solvent, and a surfactant are combined and dissolved forming a first solution. The first solution and an anti-solvent are combined forming a second solution. The second solution is cooled. Spherical crystal habit is formed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.