Source: http://www.patentgenius.com/patent/8361919.html
Timestamp: 2019-01-17 21:02:42
Document Index: 377521091

Matched Legal Cases: ['application No. 10', 'application No. 10', 'application No. 10', 'application No. 201005779', 'application No. 200980104714', 'application No. 98103515']

Process for continuous production of organic carbonates or organic carbamates and solid catalysts therefore - Patent # 8361919 - PatentGenius
Process for continuous production of organic carbonates or organic carbamates and solid catalysts therefore
8361919 Process for continuous production of organic carbonates or organic carbamates and solid catalysts therefore
U.S. Class: 502/31; 502/20; 502/33
Field Of Search: 502/31; 502/20; 502/33
International Class: B01J 38/56
Foreign Patent Documents: EP 1629888; 0363681; 0636681; 20010075330; 2242281; 01/12581; 03066569; 2005/102986; 2009016646
Other References: Wenlei Xie, et al., Calcined Mg-Al hydrotalcites as solid base catalysts for methanolysis of soybean oil, Journal of Molecular CatalysisA:Chemical, 2006, pp. 24-32, 246, Elsevier B.V. cited by applicant.
Zi-Hua Fu and Yoshio Ono, Two-step synthesis of diphenyl cabonate from dimethyl carbonate and phenol using MoO3/SiO2 catalysts, Journal of Molecular Catalysis A: Chemical, 1997, pp. 293-299, 118. cited by applicant.
Peter Ball, et al., Synthesis of Carbonates and Polycarbonates by Reaction of Urea with Hydroxy Compounds, C1 Mol. Chem., 1984, pp. 95-108, vol. 1, Harwood Academic Publishers GmbH, Great Britain. cited by applicant.
D. Wang, et al., Synthesis of diethyl carbonate by catalytic alcoholysis of urea, Fuel Processing Technology, 2007, pp. 807-812, 88, Elsevier B.V. cited by applicant.
D.C. Bradley, et al., Metal Oxide Alkoxide (Trialkysilyloxide) Polymers, Coordination Chemistry Reviews, 1967, pp. 299-318, 2, Elsevier Publishing Company Amsterdam, The Netherlands. cited by applicant.
P. Iengo, et al., Preparation and properties of new acid of catalysts obtained by grafting alkoxides and derivatives on the most common supports, Applied Catalysis A: General, 1999, pp. 97-109, 178, Elsevier Science B.V. cited by applicant.
D.C. Bradley, et al., Structural Aspects of the Hydrolysis of Titanium Tetraethoxide, J. Chem. Soc., 1955, pp. 3977-3982. cited by applicant.
Igor N. Martyanov, et al., Comparative study of triglyceride transesterification in the presence of catalytic amounts of sodium, magnesium, and calcium methoxides, Applied Catalysis A: General, 2008, pp. 45-52, 339, Elsevier Science B.V. cited byapplicant.
Mo et al., A Novel Sulfonated Carbon Composite Solid Acid Catalyst for Biodiesel Synthesis, 2008, pp. 6, Springer Science+Business Media, LLC. cited by applicant.
Weiqing et al, Synthesis of diphenyl carbonate by transesterification over lead and zinc double oxide catalyst, Applied Catalysis A: General 260 (2004) 19-24. cited by applicant.
Niu et al., Transesterification of dimethyl carbonate and phenol to diphenyl carbonate catalyzed by titanocene complexes, Catalysis Communications 8 (2007) 355-358. cited by applicant.
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Chandure et al., Synthesis and biodegradation studies of 1,3-propanediol based aliphatic poly(ester carbonate)s, European Polymer Journal 44 (2008) 2068-2086. cited by applicant.
Cao et al., Synthesis of diphenyl carbonate from dimethyl carbonate and phenol using O2-promoted PbO/MgO catalysts, Catalysis Communications 6 (2005) 802-807. cited by applicant.
Zhihui Li, et al Investigation on the deactivation cause of lead-zinc double oxide for the synthesis of diphenyl carbonate by transesterification, Journal of Natural Gas Chemistry 18 (2009) 104-109. cited by applicant.
Maria Concetta Gaudino, et al Titanium-based solid catalysts for transesterification of methyl-methacrylate by 1-butonal: the homogeneous catalysis contribution, Applied Catalysis A: General 280 (2005) 157-164. cited by applicant.
Kouzu Masato et al, Heterogeneous catalysis of calcium oxide used for transesterification of soybean oil with refluxing methanol, Applied Catalysis A: General 335 (2009) 94-99. cited by applicant.
Kathlene Jacobson, et al, Solid Acid Catalyzed Biodiesel Production From Waste Cooking Oil, Applied Catalysis B: Enviromental 85 (2008) 86-91. cited by applicant.
Gong Jinlong, et al, Transesterification of Dimethyl Oxalate with Phenol Owner TiO (sub)2 (/sub)/ SiO (sub 2) (/sub): Catalyst Screening and Reaction, Aiche 54 (2008) 3260-3272. cited by applicant.
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Examiner's Preliminary Rejection issued May 23, 2012 in corresponding Korean application No. 10-2012-7006414, with translation (5 pages). cited by applicant.
Examiner's Final Rejection issued Aug. 22, 2012 in corresponding Korean application No. 10-2010-7020292, with translation (7 pages). cited by applicant.
Official Action issued Jul. 19, 2011 in corresponding Russian application 2010137822/4(053844) with translation (11 pages). cited by applicant.
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First Office Action (w/translation) issued Oct. 23, 2012 in corresponding Chinese application No. 200980104714.4 (13 pages). cited by applicant.
Official Letter and Search Report (w/translation) issued Sep. 21, 2012 in corresponding Taiwan application No. 98103515 (5 pages). cited by applicant.
Abstract: Processes for the alcoholysis, inclusive of transesterification and/or disproportionation, of reactants are disclosed. The alcoholysis process may include feeding reactants and a trace amount of soluble organometallic compound to a reactor comprising a solid alcoholysis catalyst, wherein the soluble organometallic compound and the solid alcoholysis catalyst each independently comprise a Group II to Group VI element, which may be the same element in various embodiments. As an example, diphenyl carbonate may be continuously produced by performing transesterification over a solid catalyst followed by disproportionation, where a trace amount of soluble organometallic compound is fed to the transesterification reactor. Also disclosed is a process for reactivating a spent solid alcoholysis catalyst, such as a catalyst useful for transesterifications and/or disproportionations, the process including removing polymeric materials deposited on the catalyst and re-depositing catalytically active metals on the solid catalyst.
1. A catalyst system useful in performing alcoholysis reactions, the catalyst system comprising: a solid alcoholysis catalyst disposed in a reactor; and a solubleorganometallic compound or a mixture of soluble organometallic compounds that is/are transported through the reactor and contacted with the solid alcoholysis catalyst in an amount effective to maintain a catalytic activity of the solid alcoholysiscatalyst; wherein the soluble organometallic compound(s) and the solid alcoholysis catalyst each independently comprise a Group II to Group VI element.
2. The catalyst system of claim 1, wherein the soluble organometallic compound and the solid alcoholysis catalyst each comprise the same Group II to Group VI element(s).
3. The catalyst system of claim 1, wherein the alcoholysis reaction comprises at least one of an alcoholysis, a transesterification, and a disproportionation reaction producing at least one of a diallyl carbonate, a diaryl carbonate, analkyl-aryl carbonate, biodiesel, an organic ester, and an organic carbamate.
4. The catalyst system of claim 1, wherein the solid alcoholysis catalyst comprises at least one of an immobilized organotitanium compound and a supported titanium compound, and the soluble organometallic compound comprises a titanium compoundsoluble in the feed reactants.
5. The catalyst system of claim 1, wherein the solid alcoholysis catalyst comprises at least one of an immobilized organocalcium compound and a supported calcium compound, and the soluble organometallic compound comprises a calcium compoundsoluble in the feed reactants.
6. The catalyst system of claim 1, wherein the solid alcoholysis catalyst comprises at least one of an immobilized organomagnesium compound and a supported magnesium compound, and the soluble organometallic compound comprises a magnesiumcompound soluble in the feed reactants.
7. The catalyst system of claim 1, wherein the solid alcoholysis catalyst comprises at least one of an immobilized organozinc compound and a supported zinc compound, and the soluble organometallic compound comprises a zinc compound soluble inthe feed reactants.
8. The catalyst system of claim 1, wherein the solid alcoholysis catalyst comprises at least one of an immobilized organotin compound and a supported tin compound, and the soluble organometallic compound comprises a tin compound soluble in thefeed reactants.
9. The catalyst system of claim 1, wherein the solid alcoholysis catalyst comprises at least one of an immobilized organoantimony compound and a supported antimony compound, and the soluble organometallic compound comprises an antimony compoundsoluble in the feed reactants.
10. The catalyst system of claim 1, wherein the solid alcoholysis catalyst comprises at least one of an immobilized organomolybdenum compound and a supported molybdenum compound, and the soluble organometallic compound comprises a molybdenumcompound soluble in the feed reactants.
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