US2011190114A1PendingUtilityA1
Molecular Sieve Composition (EMM-10-P), Its Method of Making, and Use for Hydrocarbon Conversions
Est. expiryJul 28, 2026(~0 yrs left)· nominal 20-yr term from priority
C01B 39/46B01J 29/7038B01J 37/0009B01J 2229/42C01B 37/02C01B 39/48C07C 2/66C07C 2529/70Y02P20/52Y10S208/02B01J 29/70B01J 29/7276C07C 2/864C07C 4/06C07C 5/02C07C 5/10C07C 5/412C07C 5/52C07C 7/13C07C 2529/72C07C 2529/74
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Claims
Abstract
This invention relates to a crystalline molecular sieve having, in its as-synthesized form, an X-ray diffraction pattern including d-spacing maxima at 13.18±0.25 and 12.33±0.23 Angstroms, wherein the peak intensity of the d-spacing maximum at 13.18±0.25 Angstroms is at least as great as 90% of the peak intensity of the d-spacing maximum at 12.33±0.23 Angstroms. This invention also relates to a method of making thereof.
Claims
exact text as granted — not AI-modified1 .- 17 . (canceled)
18 . A crystalline MCM-22 family molecular sieve having, in its as-synthesized form, an X-ray diffraction pattern including d-spacing maxima at 13.18±0.25 and 12.33±0.23 Angstroms, wherein the peak intensity of said d-spacing maximum at 13.18±0.25 Angstroms is at least as great as 90% of the peak intensity of said d-spacing maximum at 12.33±0.23 Angstroms.
19 . The crystalline molecular sieve of claim 18 , wherein the peak intensity of the d-spacing maximum at 13.18±0.25 Angstroms is at least as great as the peak intensity of the d-spacing maximum at 12.33±0.23 Angstroms.
20 . The crystalline molecular sieve of claim 18 , wherein the peak intensity of the d-spacing maximum at 13.18±0.25 Angstroms is at least as great as 110% of the peak intensity of the d-spacing maximum at 12.33±0.23 Angstroms.
21 . The crystalline molecular sieve of claim 18 , wherein said X-ray diffraction pattern further includes two XRD distinguishable peaks with d-spacing maxima at 11.06±0.18 and 9.25±0.13 Angstroms, wherein the peak intensity of said d-spacing maximum at 11.06±0.18 Angstroms is at least as great as the peak intensity of said d-spacing maximum at 9.25±0.13 Angstroms.
22 . The crystalline molecular sieve recited in claim 21 , wherein said peaks with d-spacing maxima at 11.06±0.18 and 9.25±0.13 Angstroms are non-discrete peaks.
23 . The crystalline molecular sieve recited in claim 22 , wherein the X-ray diffraction pattern further includes an XRD distinguishable peak with d-spacing maximum at 9.74±0.15 Angstroms.
24 . The crystalline molecular sieve recited in claim 23 , wherein the peak with d-spacing maximum at 9.74±0.15 Angstroms is a non-discrete peak.
25 . The crystalline molecular sieve recited in claim 24 , wherein the peak with d-spacing maximum at 9.25±0.13 Angstroms is a shoulder peak.
26 . The crystalline molecular sieve recited in claim 21 , wherein said X-ray diffraction pattern includes values and relative intensity substantially as shown in the following Table:
Interplanar d-Spacing (Å)
Relative Intensity, I/I o × 100
13.18 ± 0.25
M-VS
12.33 ± 0.23
M-VS
11.06 ± 0.18
W-S
9.25 ± 0.13
W-S
27 . A crystalline molecular sieve composition characterized by an X-ray diffraction pattern in its as-synthesized form including d-spacing maxima values and relative intensity substantially as shown in the following Table:
Interplanar d-Spacing (Å)
Relative Intensity, I/I o × 100
13.18 ± 0.25
M-VS
12.33 ± 0.23
M-VS
11.06 ± 0.18
W-S
9.07 ± 0.13
W-S
3.57 ± 0.06
W-M
3.43 ± 0.06
M-VS
28 . The crystalline molecular sieve recited in claim 18 , wherein said X-ray diffraction pattern includes values and relative intensity substantially as shown in the following Table:
Interplanar d-Spacing (Å)
Relative Intensity, I/I o × 100
13.18 ± 0.25
M-VS
12.33 ± 0.23
M-VS
11.06 ± 0.18
W-S
9.25 ± 0.13
W-S
3.57 ± 0.06
W-M
3.43 ± 0.06
M-VS
29 . The crystalline molecular sieve recited in claim 18 , having a total surface area of greater than 450 m 2 /g as measured by the N 2 BET method.
30 . The crystalline molecular sieve recited in claim 29 , having a ratio of the external surface area over the total surface area of less than 0.15 after conversion into H-form by exchange with ammonium nitrate and calcination, wherein the external surface area is determined from a t-plot of the N 2 BET.
31 . The crystalline molecular sieve recited in claim 18 , having a morphology of tabular habit, wherein at least 50 wt % of said crystalline molecular sieve having a crystal diameter greater than 1 μm as measured by the SEM.
32 . The crystalline molecular sieve recited in claim 31 , having a morphology of tabular habit, wherein at least 50 wt % of said crystalline molecular sieve having a crystal thickness of about 0.025 μm as measured by the SEM.
33 . The crystalline molecular sieve recited in claim 32 , having a morphology of tabular habit, wherein at least 50 wt % of said crystalline molecular sieve having a crystal diameter greater than 2 μm as measured by the SEM.
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