Patent ID: 11964256
Assignee: KETJEN LIMITED LIABILITY COMPANY
Field: Chemical engineering (Chemistry)
Classification: CPC B  C  Y | IPC B  C

Claim 13:
14. An FCC additive composition comprising:
a. about 35 wt % to about 80 wt % zeolite;
b. about 0 wt % to about 10 wt % of silica binder;
c. about 7 wt % to about 20 wt % P2O5;
d. about 10.5 wt % to about 20 wt % alumina that comprises two different sources of alumina comprising at least one large crystallite alumina having an average crystallite size of about 25 nm or greater and at least one small crystallite alumina having an average crystallite size from about 4 nm to about 5 nm;
e. the balance clay;, wherein the ratio of the P2O5 to the at least one small crystallite alumina is greater than about 1.7.