Method for transforming pharmaceutical crystal forms

Jerry L. Atwood (Inventor), Jian Tian (Inventor), Scott J. Dalgarno (Inventor)

Research output: Patent


The present invention provides gas-induced method for phase-transforming organic solids, such as pharmaceutical crystals. The inventive method subjects the polymorphs of pharmaceutical agents to various pressures of gases (such as CO2, N2O, and CH4) to induce phase transform with ease.

Original languageEnglish
Patent numberUS2013274457
IPCA61J 3/ 00 A I
Priority date30/12/12
Publication statusPublished - 17 Oct 2013

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    Atwood, J. L., Tian, J., & Dalgarno, S. J. (2013). IPC No. A61J 3/ 00 A I. Method for transforming pharmaceutical crystal forms. (Patent No. US2013274457).