MILLARD, KIMBERLY ANNE,AYYAGARI, MADHU,XIA, ERNING,REINDEL, BILL
申请号:
CA3080016
公开号:
CA3080016A1
申请日:
2018.11.16
申请国别(地区):
CA
年份:
2019
代理人:
摘要:
A viscoelastic composition is disclosed which comprises (a) tris(hydroxymethyl)aminornethane or a salt thereof; (b) a phosphate buffer agent; and (c) a viscoelastic agent having an average molecular weight of about 100 to about 5,000,000.