Patents by Inventor Barrie M. Lowe
Barrie M. Lowe has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 5098685Abstract: Zeolite EU-2 having a molar composition expressed by the formula: 0.5 to 1.5 R.sub.2 O: Y.sub.2 O.sub.3 : at least 70 XO.sub.2 : 0 to 100 H.sub.2 O wherein R is a monovalent cation or .sup.1 /n of a cation of valency n, X is silicon and/or germanium, Y is one or more of aluminium, iron, or boron, and H.sub.2 O is water of hydration additional to water notionally present where R is H, and having an X-ray pattern substantially as set out in Table 1 is prepared from a reaction mixture containing XO.sub.2 (preferably silica), Y.sub.2 O.sub.3 (preferably alumina) and a dicationic alkylated polymethylene diamine. The zeolite is useful in catalytic processes, especially for the conversion of methanol to hydrocarbons.Type: GrantFiled: February 4, 1991Date of Patent: March 24, 1992Assignee: Imperial Chemical Industries PLCInventors: John L. Casci, Barrie M. Lowe, Thomas V. Lowe
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Patent number: 4900528Abstract: Zeolite Nu-10 is prepared from a reaction mixture containing at least one oxide XO.sub.2 (where X is preferably silicon), at least one oxide Y.sub.2 O.sub.3 (where Y is preferably aluminium), and, optionally at least one organic compound selected from (i) compounds of formula L.sup.1 --(CH.sub.2).sub.n --L.sup.2 where L.sup.1 and L.sup.2 independently represent a hydroxyl group or an optionally substituted amino group and n is an integer from 2 to 20, provided that when both L.sup.1 and L.sup.2 are optionally substituted amino groups, n is an integer from 6 to 20 and (ii) heterocyclic bases. Preferred organic compounds are diamines, diols and heterocyclic di- or mono-amines. The reaction mixture also includes an alkali metal hydroxide, sodium, potassium and rubidium being particularly suitable.Type: GrantFiled: October 14, 1982Date of Patent: February 13, 1990Assignee: Imperial Chemical Industries PLCInventors: Barrie M. Lowe, Abraham Araya
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Patent number: 4876412Abstract: Zeolite EU-2 having a molar composition expressed by the formula: 0.5 to 1.5 R.sub.2 O:Y.sub.2 O.sub.3 : at least 70 XO.sub.2 :0 to 100 H.sub.2 O wherein R is a monovalent cation or .sup.1 /n of a cation of valency n, X is silicon and/or germanium, Y is one or more of aluminium, iron, gallium or boron, and H.sub.2 O is water of hydration additional to water notionally present when R is H, and having an X-ray pattern substantially as set out in Table 1 is prepared from a reaction mixture containing XO.sub.2 (preferably silica), Y.sub.2 O.sub.3 (preferably alumina) and a dicationic alkylated polymethylene diamine. The zeolite is useful in catalytic processes, especially for the conversion of methanol to hydrocarbons.Type: GrantFiled: November 13, 1987Date of Patent: October 24, 1989Assignee: Imperial Chemical Industries PLCInventors: John L. Casci, Barrie M. Lowe, Thomas V. Lowe
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Patent number: 4836996Abstract: Zeolite EU-2 having a molar composition expressed by the formula:0.5 to 1.5 R.sub.2 O: Y.sub.2 O.sub.3 : at least 70 XO.sub.2 : 0 to 100 H.sub.2 Owherein R is a monovalent cation or 1/n of a cation of valency n, X is silicon and/or germanium, Y is one or more of aluminium, iron, gallium or boron, and H.sub.2 O is water of hydration additional to water notionally present when R is H, and having an X-ray pattern substantially as set out in Table 1 is prepared from a reaction mixture containing XO.sub.2 (preferably silica), Y.sub.2 O.sub.3 (preferably alumina) and a dicationic alkylated polymethylene diamine. The zeolite is useful in catalytic processes, especially for the conversion of methanol to hydrocarbons.Type: GrantFiled: November 13, 1987Date of Patent: June 6, 1989Assignee: Imperial Chemical Industries PLCInventors: John L. Casci, Barrie M. Lowe, Thomas V. Lowe
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Patent number: 4741891Abstract: Zeolite EU-2 having a molar composition expressed by the formula:0.5 to 1.5 R.sub.2 O:Y.sub.2 O.sub.3 : at least 70 XO.sub.2 :0 to 100 H.sub.2 Owherein R is a monovalent cation or 1/n of a cation of valency n, X is silicon and/or germanium, Y is one or more of aluminium, iron, gallium or boron, and H.sub.2 O is water of hydration additional to water notionally present when R is H, and having an X-ray pattern substantially as set out in Table 1 is prepared from a reaction mixture containing XO.sub.2 (preferably silica), Y.sub.2 O.sub.3 (preferably alumina) and a dicationic alkylated polymethylene diamine. The zeolite is useful in catalytic processes, especially for the conversion of methanol to hydrocarbons.Type: GrantFiled: October 15, 1986Date of Patent: May 3, 1988Assignee: Imperial Chemical Industries PLCInventors: John L. Casci, Barrie M. Lowe, Thomas V. Lowe
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Patent number: 4705674Abstract: A new zeolite material designated EU-13 has a molar composition expressed by the formula:0.8 to 3.0 R.sub.2 O: Y.sub.2 O.sub.3 : at least 10 XO.sub.2 : 0 to 2000 H.sub.2wherein R is a monovalent cation or (1/n) of a cation of valency n, X is silicon and/or germanium, Y is one or more of aluminium, iron, chromium, vanadium, molybdenum, arsenic, antimony, manganese, gallium or boron and H.sub.2 O is water of hydration additional to water notionally present when R is H, and having an X-ray powder diffraction pattern substantially as set out in Table 1. The zeolite material is prepared from a reaction mixture containing XO.sub.2 (preferably silica), Y.sub.2 O.sub.3 (preferably alumina) and a methylated quaternary ammonium or phosphonium compound, most preferably a tetramethylammonium compound.Type: GrantFiled: December 5, 1985Date of Patent: November 10, 1987Assignee: Imperial Chemical Industries PLCInventors: Abraham Araya, Barrie M. Lowe
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Patent number: 4680170Abstract: Crystalline zeolites and zeolitic materials are prepared by crystallization from an aqueous mixture comprising a source of silica, optionally a source of alumina, and an ion-exchange resin preferably an anion-exchange resin. In a preferred form of the invention the anion-exchange resin is in the hydroxide form and the reaction mixture also contains a quaternary ammonium compound.Type: GrantFiled: April 10, 1985Date of Patent: July 14, 1987Assignee: Imperial Chemical Industries PLCInventors: Barrie M. Lowe, Stuart G. Fegan
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Patent number: 4593138Abstract: A new zeolite material designated EU-1 having a molar composition expressed by the formula:0.5 to 1.5 R.sub.2 O : Y.sub.2 O.sub.3 : at least 10 XO.sub.2 : O to 100 H.sub.2 O wherein R is a monovalent cation or 1/n of a cation of valency n, X is silicon and/or germanium, Y is one or more of aluminium, iron, gallium or boron, and H.sub.2 O is water of hydration additional to water notionally present when R is H, and having an X-ray pattern substantially as set out in Tables 1 and 2 is prepared from a reaction mixture containing XO.sub.2 (preferably silica), Y.sub.2 O.sub.3 (preferably alumina) and a dicationic alkylated polymethylene diamine. The new zeolite is useful in catalytic processes, especially xylenes isomerisation.Type: GrantFiled: June 14, 1985Date of Patent: June 3, 1986Assignee: Imperial Chemical Industries PlcInventors: John L. Casci, Barrie M. Lowe, Thomas V. Whittam
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Patent number: 4581212Abstract: A new zeolite material designated EU-7 has a molar composition expressed by the formula:0.5 to 2.5 R.sub.2 O:Y.sub.2 O.sub.3 : at least 20 XO.sub.2 : 0 to 600 H.sub.2 Owherein R is a monovalent cation or 1/n of a cation of valency n, X is silicon and/or germanium, Y is one or more of aluminum, iron, chromium, vanadium, molybdenum, arsenic, antimony, manganese, gallium or boron and H.sub.2 O is water of hydration additional to water notionally present when R is H, and having an X-ray powder diffraction pattern substantially as set out in Table 1. The zeolite material is prepared from a reaction mixture containing XO.sub.2 (preferably silica), Y.sub.2 O.sub.3 (preferably alumina) and optionally an organic compound, most preferably butane-1,4-diamine.Type: GrantFiled: October 3, 1983Date of Patent: April 8, 1986Assignee: Imperial Chemical Industries PLCInventors: Abraham Araya, Barrie M. Lowe
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Patent number: 4581211Abstract: A new zeolite material designated EU-12 has a molar composition expressed by the formula: 0.5 to 2.0 R.sub.2 O: Y.sub.2 O.sub.3 : at least 5 XO.sub.2 : 0 to 1000 H.sub.2 O wherein R is a monovalent cation or 1/n of a cation of valency n, X is silicon and/or germanium, Y is one or more of aluminum, iron, chromium, vanadium, molybdenum, arsenic, antimony, manganese, gallium or boron and H.sub.2 O is water of hydration additional to water notionally present when R is H, and having an X-ray powder diffraction pattern substantially as set out in Table 1. The zeolite material is prepared from a reaction mixture containing XO.sub.2 (preferably silica), Y.sub.2 O.sub.3 (preferably alumina) and an organic compound, most preferably a tetramethylammonium compound.Type: GrantFiled: October 3, 1983Date of Patent: April 8, 1986Assignee: Imperial Chemical Industries PLCInventors: Abraham Araya, Barrie M. Lowe
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Patent number: 4537754Abstract: A new zeolite material designated EU-1 having a molar composition expressed by the formula:0.5 to 1.5 R.sub.2 O:Y.sub.2 O.sub.3 : at least 10 XO.sub.2 :0 to 100 H.sub.2 Owherein R is a monovalent cation or .sup.1 /n of a cation of valency n, X is silicon and/or germanium, Y is one or more of aluminum, iron, gallium or boron, and H.sub.2 O is water of hydration additional to water notionally present when R is H, and having an X-ray pattern substantially as set out in Tables 1 and 2 is prepared from a reaction mixture containing XO.sub.2 (preferably silica), Y.sub.2 O.sub.3 (preferably alumina) and a dicationic alkylated polymethylene diamine. The new zeolite is useful in catalytic processes, especially xylenes isomerization.Type: GrantFiled: June 11, 1981Date of Patent: August 27, 1985Assignee: Imperial Chemical Industries PLCInventors: John L. Casci, Barrie M. Lowe, Thomas V. Whittam
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Patent number: 4528171Abstract: A synthetic zeolite material, designated zeolite EU-4, having a molar composition expressed by the formula:O to M.sub.2 O:aY.sub.2 O.sub.3 :at least 100 XO.sub.2 :0 to 35 H.sub.2 Owherein M is a monovalent cation or 1/n of a cation of valency n, a is from 0 to 9, X is silicon and/or germanium, Y is one or more of aluminum, iron, chromium, vanadium, molybdenum, arsenic, antimony, manganese, gallium or boron, and H.sub.2 O is water of hydration additional to water notionally present when M is H, and having a defined X-ray diffraction pattern is prepared from an aqueous reaction mixture containing the oxide XO.sub.2, optionally the oxide Y.sub.2 O.sub.3 and an alkyltrimethylammonium or dialkyldimethylammonium compound.Zeolite EU-4 is a useful catalyst for methanol conversion and the like.Type: GrantFiled: April 12, 1982Date of Patent: July 9, 1985Assignee: Imperial Chemical Industries, PLCInventors: John L. Casci, Barrie M. Lowe, Thomas V. Whittam