Title:
METHOD FOR USING LASER LIGHT TO CONTROL CRYSTAL FORM
Document Type and Number:
WIPO Patent Application WO2001002075
Kind Code:
A9
Abstract:
A method to prepare new polymorphs of materials which have not been observed or to obtain a known polymorph under different conditions than those in which it is usually made by using a laser to cause nucleation and crystal growth to occur in a supersaturated solution in such a way as to obtain a crystal structure which would not normally appear without the use of the laser. For example, laser light can cause spontaneous nucleation of gamma-glycine crystals from a supersaturated aqueous solution.
Inventors:
MYERSON ALLAN S (US)
GARETZ BRUCE A (US)
GARETZ BRUCE A (US)
Application Number:
PCT/US2000/000294
Publication Date:
December 11, 2003
Filing Date:
January 06, 2000
Export Citation:
Assignee:
MYERSON ALLAN S (US)
GARETZ BRUCE A (US)
GARETZ BRUCE A (US)
International Classes:
B01D9/00; C07B61/00; C07C227/38; C07K1/30; C07C229/08; (IPC1-7): B01D9/02; C07B61/00; C07B63/02; C07K1/30
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