US4372930A
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Zeolite Nu-3
Assignee: Imperial Chemical Industries Ltd
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Filing: 1981-05-05
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Granted: 1983-02-08
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Expires: 2001-05-05
Abstract
Abstract A new zeolite material designated Nu-3 having a molar composition expressed by the formula: 0.5 to 1.5R2O:Y2O3:at least 5XO2:0 to 400H2O wherein R is a monovalent cation or 1/n of a cation of valency n where n is a whole number of 2 or more, X is silicon and/or germanium, Y is one or more of aluminium, iron or gallium and H2O is water of hydration additional to water notionally present when R is H, and having an X-ray diffraction pattern substantially as shown in Table 1, is prepared from a reaction mixture containing XO2 (preferably silica), Y2O3 (preferably alumina) and an optionally substituted quinuclidinium ion.
Inventors
- 👤 Glyn D. Short
- 👤 Thomas V. Whittam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:30
CPC Classifications
B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/70; B82; B82Y; B82Y30/00; C; C01; C01B; C01B21/00; C01B21/04; C01B21/0405; C01B21/0433; C01B21/045; C01B21/0455; C01B21/0466; C01B39/00; C01B39/02; C01B39/46; C01B39/48; C01G; C01G49/00; C01G49/0018; C07; C07C; C07C1/00; C07C1/20; C10; C10G; C10G49/00; C10G49/02; C10G49/08; C01P; C01P2002/00; C01P2002/70; C01P2002/72; C01P2004/00; C01P2004/60; C01P2004/61; C01P2004/62; C01P2004/64; C07C2529/00; C07C2529/04; C07C2529/06; C07C2529/70; C10G2300/00; C10G2300/70; Y; Y10; Y10S; Y10S423/00; Y10S423/37
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
93 words
Zeolite Nu-3 having a molar composition expressed by the formula: 0.5 to 1.5 R.sub.2 0:Y.sub.2 O.sub.3 :at least 5 XO.sub.2 :0 to 400 H.sub.2 O wherein R is a monovalent cation or l/n of a cation of valency n where n is a whole number of 2 or more, X is silicon and/or germanium, Y is one or more of aluminium, iron or gallium and H 2 O is water of hydration additional to water notionally present when R is H, and having an X-ray diffraction pattern substantially as shown in Table 1.
Claim 2
Dependent Claim
93 words
Zeolite Nu-3 having a molar composition expressed by the formula: 0.5 to 1.5 R.sub.2 0:Y.sub.2 O.sub.3 :at least 5 XO.sub.2 :0 to 400 H.sub.2 O wherein R is a monovalent cation or l/n of a cation of valency n where n is a whole number of 2 or more, X is silicon and/or germanium, Y is one or more of aluminium, iron or gallium and H 2 O is water of hydration additional to water notionally present when R is H, and having an X-ray diffraction pattern substantially as shown in Table 1.
Claim 3
Dependent Claim
93 words
Zeolite Nu-3 having a molar composition expressed by the formula: 0.5 to 1.5 R.sub.2 O:Y.sub.2 O.sub.3 :10 to 300 XO.sub.2 :0 to 400 H.sub.2 O wherein R is a monovalent cation of l/n of a cation of valency n where n is a whole number of 2 or more, X is silicon and/or germanium, Y is one or more of aluminum, iron or gallium and H 2 O is water of hydration additional to water notionally present when R is H, and having an X-ray diffraction pattern substantially as shown in Table 1.
Claim 4
Dependent Claim
93 words
Zeolite Nu-3 having a molar composition expressed by the formula: 0.5 to 1.5 R.sub.2 O:Y.sub.2 O.sub.3 :10 to 300 XO.sub.2 :0 to 400 H.sub.2 O wherein R is a monovalent cation of l/n of a cation of valency n where n is a whole number of 2 or more, X is silicon and/or germanium, Y is one or more of aluminum, iron or gallium and H 2 O is water of hydration additional to water notionally present when R is H, and having an X-ray diffraction pattern substantially as shown in Table 1.
Claim 5
Dependent Claim
35 words
Zeolite Nu-3 according to claim 1 or claim 2 wherein the molar composition is such that there are from 0.8 to 1.5 moles of R 2 O per mole of Y 2 O 3 .
Claim 6
Dependent Claim
19 words
Zeolite Nu-3 according to claim 1 wherein R is or includes an alkali metal, ammonium or nitrogen-containing organic cation.
Claim 7
Dependent Claim
27 words
Zeolite Nu-3 according to claim 4 wherein the nitrogen-containing organic cation is an optionally substituted quinuclidinium ion, the X-ray diffraction pattern being as shown in Table 2.
Claim 8
Dependent Claim
20 words
Zeolite Nu-3 according to claim 5 which has been calcined, the X-ray diffraction pattern being as shown in Table 3.
Claim 9
Dependent Claim
50 words
Zeolite Nu-3 according to claim 1 as freshly made having a molar composition expressed by the formula: 0.3 to 1.2 M.sub.2 O:0.4 to 20 Q:Y.sub.2 O.sub.3 :5 to 1000 XO.sub.2 :0 to 400 H.sub.2 O wherein M is an alkali metal or ammonium and Q is a nitrogen-containing organic cation.
Claim 10
Dependent Claim
66 words
A method of making zeolite Nu-3 as defined in claim 1 which comprises reacting an aqueous mixture comprising at least one oxide XO 2 , at least one oxide Y 2 O 3 and at least one oxide R 2 O, the aqueous mixture comprising as R 2 O at least one optionally substituted quinuclidinium ion at a temperature in the range 85° to 250° C.
Claim 11
Dependent Claim
114 words
A method according to claim 8 wherein the aqueous mixture has the molar composition: XO 2 /Y 2 O 3 : at least 5 M + /Q + : 0 to 2.0 H 2 O/QZ: 15 to 300 H 2 O/XO 2 : 8 to 30 OH - /XO 2 : 0.01 to 2.0 wherein X is silicon and/or germanium, Y is aluminium, iron or gallium, M + is an alkali metal or ammonium ion, Q + is an optionally substituted quinuclidinium ion, Z is hydroxide or an acid radical capable of forming salts with the quinuclidinium ion and OH - represents the total alkali provided by alkali metal, ammonium and quaternary quinuclidinium compound.
Claim 12
Dependent Claim
13 words
A method according to claim 9 wherein Q + is an N-methylquinuclidinium ion.
Claim 13
Dependent Claim
20 words
A method according to claim 9 or claim 10 wherein XO 2 /Y 2 O 3 is 10 to 300.
Claim 14
Dependent Claim
17 words
A method according to claim 11 wherein XO 2 /Y 2 O 3 is 15 to 70.
Claim 15
Dependent Claim
15 words
A method according to claim 9 wherein M + /Q + is 0.2 to 0.8.
Claim 16
Dependent Claim
14 words
A method according to claim 9 wherein H 2 O/QZ is 25 to 80.
Claim 17
Dependent Claim
15 words
A method according to claim 9 wherein H 2 O/XO 2 is 10 to 20.
Claim 18
Dependent Claim
15 words
A method according to claim 9 wherein OH - /XO 2 is 0.2 to 0.5.
Claim 19
Dependent Claim
17 words
A method according to claim 8 conducted at a temperature in the range 95° to 180° C.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-02-07 | 1986-08-09 | 1987-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-02-07 | 1990-08-09 | 1991-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-02-07 | 1994-08-09 | 1995-02-08 | $7700.00 | Window Closed / Lapsed |