Gisch Daryl J.,Harris William I.,Keeley Dennis A.,Tegen Marvin K.,Olsen Robert J.,Trejo-O'Reilly Jose Antonio
申请号:
US201214369338
公开号:
US9968920(B2)
申请日:
2012.12.20
申请国别(地区):
美国
年份:
2018
代理人:
Hemenway Carl P.
摘要:
A catalyst prepared by polymerizing 0-98 weight % butylstyrene; 0-80 weight % vinyl toluene; 1.5-25 weight % divinyl benzene having 1-98 weight % of ethyl vinyl benzene; and 0-80 weight % styrene. Copolymer beads are made, sulfonated, and used as a catalyst.