Patents by Inventor Peter J. Whitman
Peter J. Whitman 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).
-
Patent number: 7595410Abstract: A process for producing an epoxide comprising reacting an olefin, hydrogen and oxygen in the presence of a catalyst comprising a titanium or vanadium zeolite, palladium, and lead. The process results in significantly reduced alkane by-product formed by the hydrogenation of olefin.Type: GrantFiled: July 18, 2006Date of Patent: September 29, 2009Assignee: Lyondell Chemical Technology, L.P.Inventors: Kun Qin, Roger A. Grey, Peter J. Whitman
-
Patent number: 7476770Abstract: The invention is a catalyst comprising a titanium or vanadium zeolite, a binder, and zinc oxide, wherein the catalyst is preparing an aqueous mixture of the zeolite, a binder source, and a zinc oxide source, and subjecting the mixture to rapid drying. The catalyst is useful in olefin epoxidation.Type: GrantFiled: August 1, 2007Date of Patent: January 13, 2009Assignee: Lyondell Chemical Technology, L.P.Inventors: Jay F. Miller, Bernard Cooker, Robert N. Cochran, Peter J. Whitman
-
Publication number: 20080021230Abstract: A process for producing an epoxide comprising reacting an olefin, hydrogen and oxygen in the presence of a catalyst comprising a titanium or vanadium zeolite, palladium, and lead. The process results in significantly reduced alkane by-product formed by the hydrogenation of olefin.Type: ApplicationFiled: July 18, 2006Publication date: January 24, 2008Inventors: Kun Qin, Roger A. Grey, Peter J. Whitman
-
Patent number: 7273826Abstract: The invention is a catalyst comprising a titanium or vanadium zeolite, a binder, and zinc oxide, wherein the catalyst is preparing an aqueous mixture of the zeolite, a binder source, and a zinc oxide source, and subjecting the mixture to rapid drying. The catalyst is useful in olefin epoxidation.Type: GrantFiled: July 26, 2005Date of Patent: September 25, 2007Assignee: Lyondell Chemical Technology, L.P.Inventors: Jay F. Miller, Bernard Cooker, Robert N. Cochran, Peter J. Whitman
-
Patent number: 7138535Abstract: The invention is a process for epoxidizing an olefin with hydrogen and oxygen in the presence of a catalyst comprising a noble metal and a titanium or vanadium zeolite in a solvent mixture comprising water, methanol, and a C3–C6 aliphatic ketone. This process surprisingly gives significantly reduced by-product glycol and glycol ethers formed by the unwanted ring-opening of epoxides.Type: GrantFiled: June 1, 2005Date of Patent: November 21, 2006Assignee: Lyondell Chemical Technology, L.P.Inventors: Peter J. Whitman, Jay F. Miller, John H. Speidel, Jr., Robert N. Cochran
-
Patent number: 7057056Abstract: Titanium or vanadium zeolites are pretreated by contacting with an amino polyacid compound, such as ethylenediaminetetraacetic acid or a salt thereof, prior to use in olefin epoxidation with hydrogen peroxide.Type: GrantFiled: December 17, 2004Date of Patent: June 6, 2006Assignee: Lyondell Chemical Technology, L.P.Inventors: Kun Qin, Roger A. Grey, Peter J. Whitman
-
Publication number: 20040197481Abstract: The present invention provides a urethane prepolymer and method of making said prepolymer useful in forming a moisture curable coating on an object. The prepolymer of the present invention is made by the process comprising reacting a HDI-uretidione with a polyol such that a moisture-curable urethane prepolymer having a viscosity at 25° C. less than about 3000 cP is formed. Moreover, the HDI-uretidione and the polyol are of sufficient amounts that the reaction index is at least about 2. The present invention also provides a method of coating a substrate with the prepolymer of the present invention.Type: ApplicationFiled: April 2, 2003Publication date: October 7, 2004Inventors: Peter J. Whitman, Daniel B. Pourreau, Michael J. Morgan, Stephen L. Goldstein
-
Patent number: 6780951Abstract: Allyl carbamates are disclosed. The allyl carbamates are prepared by reacting an isocyanate with an allylic alcohol or alkoxylated allylic alcohol. Suitable isocyanates are selected from hexamethylene diisocyanate (HDI), HDI biuret, dimer, HDI trimer, HDI allophanate, isophorone diisocyanate (IPDI), IPDI trimer, IPDI allophanate, bis(isocyanatocyclohexyl)methane, and mixtures thereof. The allyl carbamates have at least two allyl functional groups per molecule. UV-curable and air-drying coatings formulated from the allyl carbamates show excellent chemical resistance and physical properties.Type: GrantFiled: December 9, 2002Date of Patent: August 24, 2004Assignee: Arco Chemical Technology, L.P.Inventors: Daniel B. Pourreau, Peter J. Whitman, Stephen L. Goldstein, Stephen H. Harris
-
Publication number: 20030130469Abstract: Allyl carbamates are disclosed. The allyl carbamates are prepared by reacting an isocyanate with an allylic alcohol or alkoxylated allylic alcohol. Suitable isocyanates are selected from hexamethylene diisocyanate (HDI), HDI biuret, dimer, HDI trimer, HDI allophanate, isophorone diisocyanate (IPDI), IPDI trimer, IPDI allophanate, bis(isocyanatocyclohexyl)methane, and mixtures thereof. The allyl carbamates have at least two allyl functional groups per molecule. UV-curable and air-drying coatings formulated from the allyl carbamates show excellent chemical resistance and physical properties.Type: ApplicationFiled: December 9, 2002Publication date: July 10, 2003Applicant: ARCO Chemical Technology, L.P.Inventors: Daniel B. Pourreau, Peter J. Whitman, Stephen L. Goldstein, Stephen H. Harris
-
Patent number: 6555596Abstract: Allyl carbamates are disclosed. The allyl carbamates are prepared by reacting an isocyanate with an allylic alcohol or alkoxylated allylic alcohol. Suitable isocyanates are selected from hexamethylene diisocyanate (HDI), HDI biuret, dimer, HDI trimer, HDI allophanate, isophorone diisocyanate (IPDI), IPDI trimer, IPDI allophanate, bis(isocyanatocyclohexyl)methane, and mixtures thereof. The allyl carbamates have at least two allyl functional groups per molecule. UV-curable and air-drying coatings formulated from the allyl carbamates show excellent chemical resistance and physical properties.Type: GrantFiled: November 6, 2000Date of Patent: April 29, 2003Assignee: Arco Chemical Technology, L.P.Inventors: Daniel B. Pourreau, Peter J. Whitman, Stephen L. Goldstein, Stephen H. Harris
-
Patent number: 5948944Abstract: A multi-step process for producing DNT employing a mononitration step in a single liquid phase at an elevated temperature using a carefully controlled amount of water, followed by a phase separation step prior to dinitration of the MNT present in the resulting organic phase. This process results in a DNT product with a desired isomer ratio of 2,4-DNT to 2,6-DNT and provide relatively fast nitration rates with less by-products.Type: GrantFiled: November 18, 1998Date of Patent: September 7, 1999Assignee: Arco Chemical Technology, L.P.Inventors: Chunjie Zhang, Buford T. Pennington, Jeffrey W. Baird, Allen B. Quakenbush, Stephen L. Goldstein, Donald L. Lickei, Peter J. Whitman
-
Patent number: 5856420Abstract: Disclosed are new coatings compositions based on an HDI isocyanurate or biuret polyisocyanate and a bis(imine) reaction product of a diaminoalkane containing between two and five carbon atoms with an alkyl aldehyde containing between four and seven carbon atoms (advantageously a bis(imine) product of the reaction of 1,4-diaminobutane and isobutyraldehyde). The latter bis(imine) is completely miscible in HDI isocyanurate and biuret polyisocyanates, and, as a reactive diluent, allows the preparation of high performance coatings formulations that require only small amounts of solvents to achieve a conveniently sprayable viscosity.Type: GrantFiled: April 17, 1996Date of Patent: January 5, 1999Assignee: Arco Chemical Technology, L.P.Inventors: Benjamin W. Tucker, Henry G. Barnowski, Jr., Edward A. Barsa, Peter J. Whitman, Augustin T. Chen, Willard F. Burt, Stephen L. Goldstein, James M. O'Connor
-
Patent number: 5550294Abstract: A process for increasing the rate of catalytic hydrogenation of aromatic amines by reacting aromatic amines with hydrogen in the presence of a noble metal catalyst, a water miscible organic solvent, lithium hydroxide catalyst promoter, and water in an effective amount to increase the rate of the hydrogenation reaction without an appreciable increase in total amounts of by-products.Type: GrantFiled: September 16, 1994Date of Patent: August 27, 1996Assignee: Olin CorporationInventor: Peter J. Whitman
-
Patent number: 5214212Abstract: A process for increasing the rate of catalytic hydrogenation of aromatic amines by reacting aromatic amines with hydrogen in the presence of a noble metal catalyst, an organic solvent or a mixture of solvents, and at least one salt of a transition or lanthanide metal as a promoter, in an effective amount to increase the rate of the hydrogenation reaction, decrease the induction period, and decrease the amount of higher boiler by-products.Type: GrantFiled: February 27, 1992Date of Patent: May 25, 1993Assignee: Olin CorporationInventor: Peter J. Whitman
-
Patent number: 4567287Abstract: Disclosed is an improved process for the preparation of carbamates by heating an organic carbonate and an aromatic urea or polyurea in the presence of aluminum as catalyst and a promoter comprising a combination of iodine and a mercury salt.High reaction temperatures are avoided by the process and conversions to carbamate products are high. Additionally, the process is economically attractive because even the common aluminum foil can be used as the catalyst.The products prepared by the process can be used in the production of insecticides, and, particularly, as intermediates in the preparation of organic mono- and polyisocyanates.Type: GrantFiled: August 8, 1984Date of Patent: January 28, 1986Assignee: The Upjohn Co.Inventors: Floro F. Frulla, Fred A. Stuber, Peter J. Whitman
-
Patent number: 4550188Abstract: Disclosed is an improved process for the preparation of carbamates by heating an organic carbonate and an aromatic amine in the presence of aluminum as catalyst and a promoter comprising a combination of iodine and a mercury salt.High reaction temperatures are avoided by the process and conversions to carbamate products are high. Additionally, the process is economically attractive because even the common aluminum foil can be used as the catalyst.The products prepared by the process can be used in the production of insecticides, and, particularly, as intermediates in the preparation of organic mono- and polyisocyanates.Type: GrantFiled: June 27, 1984Date of Patent: October 29, 1985Assignee: The Dow Chemical CompanyInventors: Floro F. Frulla, Fred A. Stuber, Peter J. Whitman
-
Patent number: 4092343Abstract: A process is described for the preparation of polymethylene polyphenyl polyamines containing from 40 to 60 percent by weight of diamine and also containing markedly less high molecular weight polyamines than products hitherto available. Phosgenation of the polyamines gives the corresponding mixture of polymethylene polyphenyl polyisocyanates of markedly lower viscosity and lighter color than products hitherto available, and yielding polymer foams which are substantially white in color.The process comprises condensing aniline and formaldehyde (molar ratio 4-10:1) in the absence of catalyst, separating water from the resulting aminal mixture, contacting the aminals at 20.degree. C to 60.degree. C with a solid catalyst (diatomaceous earths, clays, zeolites) until formation of benzylamines is substantially complete, distilling aniline from the resulting benzylamines under reduced pressure and below 150.degree.Type: GrantFiled: May 16, 1977Date of Patent: May 30, 1978Assignee: The Upjohn CompanyInventors: Floro F. Frulla, Adnan A. R. Sayigh, Henri Ulrich, Peter J. Whitman
-
Patent number: 4039580Abstract: A process is described for the preparation of polymethylene polyphenyl polyamines containing from 40 to 60 percent by weight of diamine and also containing markedly less high molecular weight polyamines than products hitherto available. Phosgenation of the polyamines gives the corresponding mixture of polymethylene polyphenyl polyisocyanates of markedly lower viscosity and lighter color than products hitherto available, and yielding polymer foams which are substantially white in color.The process comprises condensing aniline and formaldehyde (molar ratio 4-10:1) in the absence of catalyst, separating water from the resulting aminal mixture, contacting the aminals at 20.degree. C to 60.degree. C with a solid catalyst (diatomaceous earths, clays, zeolites) until formation of benzylamines is substantially complete, distilling aniline from the resulting benzylamines under reduced pressure and below 150.degree.Type: GrantFiled: July 24, 1975Date of Patent: August 2, 1977Assignee: The Upjohn CompanyInventors: Floro F. Frulla, Adnan A. R. Sayigh, Henri Ulrich, Peter J. Whitman
-
Patent number: 4039581Abstract: Aniline and formaldehyde are condensed (2-10 moles aniline per mole of formaldehyde) at ambient temperature in the absence of acid catalysts to give a mixture of aminals (anilinoacetals) and aniline from which the water is removed. The anhydrous aminals are contacted with a solid catalyst (clays, zeolites, diatomaceous earth) using either batch or continuous operation initially at 20.degree. C to 55.degree. C until benzylamine formation is substantially complete, then at 50.degree. C to 65.degree. C until benzylamine conversion to methylene polyphenyl polyamines is 75 - 90% complete and finally at 80.degree. C to 100.degree. C. A polyamine mixture is obtained in which diaminodiphenylmethane is the major (order of 90 percent by weight or higher) component, the bulk of the higher oligomeric polyamines being triamine. The diaminodiphenylmethane component contains of the order of 85 percent of 4,4'-isomer, the rest being 2,4'-isomer except for very small amounts (order of 2 percent or less) of 2,2'-isomer.Type: GrantFiled: June 27, 1975Date of Patent: August 2, 1977Assignee: The Upjohn CompanyInventors: Floro F. Frulla, Adnan A. R. Sayigh, Henri Ulrich, Peter J. Whitman