Patents by Inventor Jan Kalfus
Jan Kalfus 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).
-
Publication number: 20250101319Abstract: This invention relates to a process for chemically treating a carbon-containing feedstock (e.g., a polymer-based feedstock), comprising contacting (e.g., by a hydrocracking reaction) the carbon-containing feedstock and a hydrogen stream in the presence of at least one hydrocracking catalyst to produce an alkane-containing product stream. The hydrocracking catalyst comprises at least one transition metal or transition metal sulfide supported on an oxide-containing support. This invention also relates to an alkane-containing mixture obtained by the process described herein and a system/apparatus for carrying out the process described herein.Type: ApplicationFiled: September 26, 2024Publication date: March 27, 2025Inventors: Vibin Vargheese, Nicholas Wang, Matthew Feeney, Ishant Khurana, Jan Kalfus, Scott Mitchell, Richard Opfer
-
Publication number: 20240287391Abstract: A process for the cracking of a carbon-containing feedstock to produce olefins, the process includes contacting, in a reactor system, the carbon-containing feedstock with a molten salt matrix consisting of a eutectic mixture of alkali metal carbonates, alkaline earth metal carbonates, or a mixture of any two or more thereof, to generate an olefin-containing product stream; and collecting an olefin from the olefin-containing product stream; wherein: the process is conducted in the absence of oxygen, and in the absence of a catalyst comprising a transition metal, a transition metal oxide, a rare-earth metal, a rare earth metal oxide, or a combination of any two or more thereof.Type: ApplicationFiled: February 5, 2024Publication date: August 29, 2024Applicant: Braskem America, Inc.Inventors: Samuel L. Leung, Nicholas Wang, Katherine McCullough, Goutham Kothamreddy, Charles Ambrass, Matthew Feeney, Jan Kalfus, Scott Mitchell
-
Publication number: 20240279557Abstract: A process for the cracking of a carbon-containing feedstock to produce olefins includes contacting, in a reactor system, the carbon-containing feedstock with oxygen gas in the presence of a molten salt matrix consisting of a eutectic mixture of alkali metal carbonates, alkaline earth metal carbonates, or a mixture of any two or more thereof, to generate an olefin-containing product stream; and collecting an olefin from the olefin-containing product stream; wherein: the oxygen is fed with the carbon-containing feedstock in a gas stream comprising from greater than 0 wt % to about 21 wt % oxygen in an inert gas; the process is conducted in the absence of a catalyst comprising a transition metal, a transition metal oxide, a rare-earth metal, a rare earth metal oxide, or a combination of any two or more thereof; and the process is conducted in the absence of a glass-forming oxide.Type: ApplicationFiled: February 5, 2024Publication date: August 22, 2024Applicant: Braskem America, Inc.Inventors: Samuel L. Leung, Nicholas Wang, Katherine McCullough, Goutham Kothamreddy, Charles Ambrass, Matthew Feeney, Jan Kalfus, Scott Mitchell
-
Publication number: 20240166776Abstract: A method of forming a light-polyisobutylene may include polymerizing isobutene or an isobutene-containing monomer mixture in presence of a proton-form zeolite catalyst to form a light-polyisobutylene. A light-polyisobutylene may be formed by the method of polymerizing isobutene or an isobutene-containing monomer mixture in presence of a proton-form zeolite catalyst.Type: ApplicationFiled: November 22, 2023Publication date: May 23, 2024Applicant: Braskem S.A.Inventors: Richard Caulkins, Jiahan Xie, Alicia Brasselle, Richard Opfer, Dan Xie, Maria Giuliana Torraga Uchiyama, Marcio Henrique Dos Santos Andrade, João Capistrano Nobre De Abreu, Danniel Panza, Mauricio Silveira Cadore, Suzana Kupidlowski Boaventura, Jan Kalfus
-
Publication number: 20230167208Abstract: A heterogeneous catalyst composition for preparing a highly-reactive polyisobutylene from isobutylene may include a Lewis acid, a support, an initiator, and optionally an electron donor. A method of polymerizing isobutylene to a highly-reactive polyisobutylene may include a heterogeneous catalyst composition including include a Lewis acid, a support, an initiator, and optionally an electron donor.Type: ApplicationFiled: November 28, 2022Publication date: June 1, 2023Applicant: Braskem S.A.Inventors: Jiahan Xie, Márcia Silva Lacerda Miranda, Cassandra Gallaschun, Marcio Andrade, Danniel Panza, Marcio Reboucas, Richard Caulkins, Alicia Brasselle, Jan Kalfus
-
Patent number: 11104784Abstract: Disclosed is a thermoplastic polyolefin composition useful in automotive components comprising at least a polypropylene having a melting point temperature (Tm) of greater than 130° C. and a melt flow rate (230° C./2.16 kg) within the range from 10 g/10 min to 80 g/10 min; an amorphous ethylene-propylene copolymer comprising within the range from 40 wt % to 80 wt % ethylene derived units and having a melt flow rate (230° C./2.16 kg) within the range from 0.1 g/10 min to 20 g/10 min; and a propylene-based elastomer having within the range from 5 to 25 wt % ethylene derived units and having a Tm of less than 110° C. The composition only partially breaks or there is no break at ?29° C. (ASTM D256) with Notched Izod Force of between 10 to 40 ft-lb/in2 at 22° C. (533 to 2,132 J/m2), and between 1.0 to 12 ft-lb/in2 at ?29° C. (53 to 636 J/m2).Type: GrantFiled: February 18, 2020Date of Patent: August 31, 2021Assignee: ExxonMobil Chemical Patents Inc.Inventors: Sudhin Datta, Xin Chen, Abdul M. Jangda, Rohan A. Hule, Jan Kalfus
-
Publication number: 20200239677Abstract: Disclosed is a thermoplastic polyolefin composition useful in automotive components comprising at least a polypropylene having a melting point temperature (Tm) of greater than 130° C. and a melt flow rate (230° C./2.16 kg) within the range from 10 g/10 min to 80 g/10 min; an amorphous ethylene-propylene copolymer comprising within the range from 40 wt % to 80 wt % ethylene derived units and having a melt flow rate (230° C./2.16 kg) within the range from 0.1 g/10 min to 20 g/10 min; and a propylene-based elastomer having within the range from 5 to 25 wt % ethylene derived units and having a Tm of less than 110° C. The composition only partially breaks or there is no break at ?29° C. (ASTM D256) with Notched Izod Force of between 10 to 40 ft-lb/in2 at 22° C. (533 to 2,132 J/m2), and between 1.0 to 12 ft-lb/in2 at ?29° C. (53 to 636 J/m2).Type: ApplicationFiled: February 18, 2020Publication date: July 30, 2020Inventors: Sudhin Datta, Xin Chen, Abdul M. Jangda, Rohan A. Hule, Jan Kalfus
-
Patent number: 10669414Abstract: Provided herein are elastomer blends and membranes including a blend of a propylene-based elastomer, a thermoplastic resin, a flame retardant, and an ultraviolet stabilizer.Type: GrantFiled: January 20, 2017Date of Patent: June 2, 2020Assignee: ExxonMobil Chemical Patents Inc.Inventors: Liang Li, Felix M. Zacarias, Narayanaswami Dharmarajan, Jan Kalfus, John R. Hagadorn, Peijun Jiang
-
Patent number: 10647841Abstract: Disclosed is a thermoplastic polyolefin composition useful in automotive components comprising at least a polypropylene having a melting point temperature (Tm) of greater than 130° C. and a melt flow rate (230° C./2.16 kg) within the range from 10 g/10 min to 80 g/10 min; an amorphous ethylene-propylene copolymer comprising within the range from 40 wt % to 80 wt % ethylene derived units and having a melt flow rate (230° C./2.16 kg) within the range from 0.1 g/10 min to 20 g/10 min; and a propylene-based elastomer having within the range from 5 to 25 wt % ethylene derived units and having a Tm of less than 110° C. The composition only partially breaks or there is no break at ?29° C. (ASTM D256) with Notched Izod Force of between 10 to 40 ft-lb/in2 at 22° C. (533 to 2,132 J/m2), and between 1.0 to 12 ft-lb/in2 at ?29° C. (53 to 636 J/m2).Type: GrantFiled: August 21, 2015Date of Patent: May 12, 2020Assignee: ExxonMobil Chemical Patents Inc.Inventors: Sudhin Datta, Xin Chen, Abdul M. Jangda, Rohan A. Hule, Jan Kalfus
-
Patent number: 10442879Abstract: An impact copolymer comprising a polypropylene comprising at least 50 mol % propylene, and having a molecular weight distribution (MwMALLS/Mn) greater than 10, a branching index (g?) of less than 0.97, and a melt strength greater than 40 cN, and an elastomer. Also disclosed is a method of making an impact copolymer composition comprising melt-blending the components, sequentially or simultaneously a polypropylene resin comprising at least 50 mol % propylene, and having a molecular weight distribution (Mw/Mn) greater than 6, a branching index (g?) of at least 0.97, and a melt strength greater than 10 cN determined using an extensional rheometer at 190° C.; and within the range from 0.01 to 3 wt % of at least one organic peroxide; and an elastomer.Type: GrantFiled: March 23, 2016Date of Patent: October 15, 2019Assignee: ExxonMobil Chemical Patents Inc.Inventors: Jan Kalfus, Abdul M. Jangda, Mosha H. Zhao
-
Patent number: 10414140Abstract: Provided herein are roofing membranes that comprise a blend composition of propylene-based elastomer, thermoplastic resin, flame retardant, and ultraviolet stabilizer. In some embodiments, the blend compositions further comprise polyalphaolefin.Type: GrantFiled: December 11, 2015Date of Patent: September 17, 2019Assignee: ExxonMobil Chemical Patents Inc.Inventors: Felix M. Zacarias, Liang Li, Narayanaswami Dharmarajan, Jan Kalfus
-
Patent number: 10364377Abstract: The present invention is related to adhesive composition, having a polymer blend comprising a first propylene-based polymer, wherein the first propylene-based polymer is a homopolymer of propylene or a copolymer of propylene and ethylene or a C4 to C10 alpha-olefin, and a second propylene-based polymer, wherein the second propylene-based polymer is a homopolymer of propylene or a copolymer of propylene and ethylene or a C4 to C10 alpha-olefin; wherein the second propylene-based polymer is different than the first propylene-based polymer; wherein the polymer blend has a melt viscosity, measured at 190° C. and determined according to ASTM D-3236, of about 1,000 cP to about 5,000 cP; a propylene polymer; and wherein the adhesive composition is substantially free of a functionalized polyolefin, wherein the functionalized polyolefin is selected from at least one of a maleic anhydride-modified polypropylene and a maleic anhydride-modified polypropylene wax.Type: GrantFiled: October 13, 2017Date of Patent: July 30, 2019Assignee: ExxonMobil Chemical Patents Inc.Inventors: Jan Kalfus, Jurgen J. Schroeyers, Jennifer J. Austin, James N. Coffey, Jean-Roch Schauder
-
Patent number: 10227483Abstract: Polymer blends comprising at least one olefin block copolymer such as poly(ethylene-b-ethylene/propylene-b-ethylene), and at least one propylene-based elastomer such as a propylene-ethylene random copolymer, such blends useful in elastic hygiene articles. The blends have improved permanent set compared to the propylene-based elastomer alone.Type: GrantFiled: June 19, 2017Date of Patent: March 12, 2019Assignee: ExxonMobil Chemical Patents Inc.Inventors: Jingwen Zhang, Carlos R. Lopez-Barron, Jan Kalfus, Abdul M. Jangda
-
Publication number: 20180305534Abstract: Provided are methods for making a polypropylene composition having a first polypropylene and second polypropylene, and compositions made therefrom. Also provided are bimodal polypropylene compositions having desirable flexural modulus and shear thinning properties.Type: ApplicationFiled: September 16, 2016Publication date: October 25, 2018Inventors: Jan Kalfus, Patrick Brant, Gabor Kiss, Abdul M. Jangda
-
Publication number: 20180094089Abstract: An impact copolymer comprising a polypropylene comprising at least 50 mol % propylene, and having a molecular weight distribution (MwMALLS/Mn) greater than 10, a branching index (g?) of less than 0.97, and a melt strength greater than 40 cN, and an elastomer. Also disclosed is a method of making an impact copolymer composition comprising melt-blending the components, sequentially or simultaneously a polypropylene resin comprising at least 50 mol % propylene, and having a molecular weight distribution (Mw/Mn) greater than 6, a branching index (g?) of at least 0.97, and a melt strength greater than 10 cN determined using an extensional rheometer at 190° C.; and within the range from 0.01 to 3 wt % of at least one organic peroxide; and an elastomer.Type: ApplicationFiled: March 23, 2016Publication date: April 5, 2018Inventors: Jan Kalfus, Abdul M. Jangda, Mosha H. Zhao
-
Patent number: 9926443Abstract: Provided herein are membranes including a blend of a propylene-based elastomer and an ethylene copolymer, a thermoplastic resin, a flame retardant, and an ultraviolet stabilizer.Type: GrantFiled: September 8, 2016Date of Patent: March 27, 2018Assignee: ExxonMobil Chemical Patents Inc.Inventors: Liang Li, Felix M. Zacarias, Narayanaswami Dharmarajan, Jan Kalfus, Patrick Brant
-
Publication number: 20180079900Abstract: Polymer blends comprising at least one olefin block copolymer such as poly(ethylene-b-ethylene/propylene-b-ethylene), and at least one propylene-based elastomer such as a propylene-ethylene random copolymer, such blends useful in elastic hygiene articles. The blends have improved permanent set compared to the propylene-based elastomer alone.Type: ApplicationFiled: June 19, 2017Publication date: March 22, 2018Inventors: Jingwen Zhang, Carlos R. Lopez-Barron, Jan Kalfus, Abdul M. Jangda
-
Publication number: 20180037780Abstract: The present invention is related to adhesive composition, having a polymer blend comprising a first propylene-based polymer, wherein the first propylene-based polymer is a homopolymer of propylene or a copolymer of propylene and ethylene or a C4 to C10 alpha-olefin, and a second propylene-based polymer, wherein the second propylene-based polymer is a homopolymer of propylene or a copolymer of propylene and ethylene or a C4 to C10 alpha-olefin; wherein the second propylene-based polymer is different than the first propylene-based polymer; wherein the polymer blend has a melt viscosity, measured at 190° C. and determined according to ASTM D-3236, of about 1,000 cP to about 5,000 cP; a propylene polymer; and wherein the adhesive composition is substantially free of a functionalized polyolefin, wherein the functionalized polyolefin is selected from at least one of a maleic anhydride-modified polypropylene and a maleic anhydride-modified polypropylene wax.Type: ApplicationFiled: October 13, 2017Publication date: February 8, 2018Inventors: Jan Kalfus, Jurgen J. Schroeyers, Jennifer J. Austin, James N. Coffey, Jean-Roch Schauder
-
Publication number: 20170368810Abstract: Provided herein are roofing membranes that comprise a blend composition of propylene-based elastomer, thermoplastic resin, flame retardant, and ultraviolet stabilizer. In some embodiments, the blend compositions further comprise polyalphaolefin.Type: ApplicationFiled: December 11, 2015Publication date: December 28, 2017Inventors: Felix M. Zacarias, Liang Li, Narayanaswami Dharmarajan, Jan Kalfus
-
Patent number: 9816015Abstract: The present invention is related to adhesive composition, having a polymer blend comprising a first propylene-based polymer, wherein the first propylene-based polymer is a homopolymer of propylene or a copolymer of propylene and ethylene or a C4 to C10 alpha-olefin, and a second propylene-based polymer, wherein the second propylene-based polymer is a homopolymer of propylene or a copolymer of propylene and ethylene or a C4 to C10 alpha-olefin; wherein the second propylene-based polymer is different than the first propylene-based polymer; wherein the polymer blend has a melt viscosity, measured at 190° C. and determined according to ASTM D-3236, of about 1,000 cP to about 5,000 cP; a propylene polymer; and wherein the adhesive composition is substantially free of a functionalized polyolefin, wherein the functionalized polyolefin is selected from at least one of a maleic anhydride-modified polypropylene and a maleic anhydride-modified polypropylene wax.Type: GrantFiled: December 3, 2015Date of Patent: November 14, 2017Assignee: ExxonMobil Chemical Patents Inc.Inventors: Jan Kalfus, Jurgen Schroeyers, Jennifer J. Austin, James N. Coffey, Jean-Roch Schauder