DAVIS, JAMES W,KETELSON, HOWARD ALLEN,MEADOWS, DAVID L,BAKER, JOHN C
申请号:
NZ59441910
公开号:
NZ594419A
申请日:
2010.02.05
申请国别(地区):
NZ
年份:
2013
代理人:
摘要:
594419 Disclosed herein are processes for purifying guar comprising combining borate and guar in an aqueous solution and treating the aqueous solution with an organic solvent to induce precipitation of purified guar. Another embodiment of the present invention is directed to ophthalmic formulations comprising purified guar produced by the processes described.