Patents by Inventor Philippe Rabbat
Philippe Rabbat 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: 11952551Abstract: The presently claimed invention relates to a gear oil composition having a kinematic viscosity at 40° C. in the range of ?68 to ?1000 cSt when measured in accordance with ASTM D445. The gear oil composition is useful as a lubricant in a gear box, especially in a wind turbine gear box.Type: GrantFiled: December 18, 2019Date of Patent: April 9, 2024Assignee: BASF SEInventors: Qinggao Ma, Rene Koschabek, Philippe Rabbat, Henrik Heinemann, Karolin Monz, Frank Rittig, Nawid Kashani, Markus Scherer
-
Publication number: 20220064563Abstract: The presently claimed invention relates to a gear oil composition having a kinematic viscosity at 40° C. in the range of ?68 to ?1000 cSt when measured in accordance with ASTM D445. The gear oil composition is useful as a lubricant in a gear box, especially in a wind turbine gear box.Type: ApplicationFiled: December 18, 2019Publication date: March 3, 2022Inventors: Qinggao MA, Rene KOSCHABEK, Philippe RABBAT, Henrik HEINEMANN, Karolin MONZ, Frank RITTIG, Nawid KASHANI, Markus SCHERER
-
Patent number: 11214752Abstract: The present invention is directed to the use of poly(polyisobutylenemethacrylate) as viscosity index improving component in lubricating oil compositions. The invention is further related to lubricating oil compositions comprising poly(polyisobutylenemethacrylate) with enhanced shear stability.Type: GrantFiled: July 19, 2018Date of Patent: January 4, 2022Assignee: BASF SEInventors: Szilard Csihony, Anja Thomas, Kevin J. Desantis, Philippe Rabbat, Andrea Misske, Johannes Barth, Meik Ranft, Peter Mueller, Wolfgang Grabarse, Christoph Fleckenstein
-
Patent number: 11046906Abstract: A lubricant composition includes a base oil present in an amount of greater than 70 parts by weight per 100 parts by weight of the lubricant composition and an antioxidant. The antioxidant has the structure: wherein each X is independently C-A or N, so long as at least one X is N but no more than two of X are N. Moreover, A is H, cyano or an electron donating group that: (1) has an atom having at least one lone pair of electrons that is bonded directly to the aromatic ring; or (2) is an aryl group or alkyl group. Further, each R is independently H, an alkyl group, or aryl group and each R? is independently an alkyl group or an aryl group.Type: GrantFiled: April 23, 2020Date of Patent: June 29, 2021Assignee: BASF SEInventors: Philippe Rabbat, Mary Elizabeth Dery, Bridgett Rakestraw, Sai P. Shum, Paul Angelo Odorisio
-
Publication number: 20210147759Abstract: The present invention is directed to the use of poly(polyisobutylenemethacrylate) as viscosity index improving component in lubricating oil compositions. The invention is further related to lubricating oil compositions comprising poly(polyisobutylenemethacrylate) with enhanced shear stability.Type: ApplicationFiled: July 19, 2018Publication date: May 20, 2021Inventors: Szilard CSIHONY, Anja THOMAS, Kevin J. DESANTIS, Philippe RABBAT, Andrea MISSKE, Johannes BARTH, Meik RANFT, Peter MUELLER, Wolfgang GRABARSE, Christoph FLECKENSTEIN
-
Patent number: 11001778Abstract: A lubricant composition includes a base oil present in an amount of greater than 70 parts by weight per 100 parts by weight of the lubricant composition and an antioxidant. The antioxidant has the structure: wherein each X is independently CH or N, so long as at least one X is N. A is an electron donating group that (1) has an atom having at least one lone pair of electrons that is bonded directly to the aromatic ring or (2) is an aryl or alkyl group. Z is chosen from a hydrogen atom and an electron donating group that has an atom having at least one lone pair electrons that is bonded directly to the aromatic ring or is an aryl or alkyl group.Type: GrantFiled: April 14, 2020Date of Patent: May 11, 2021Assignee: BASF SEInventors: Philippe Rabbat, Mary Elizabeth Dery, Bridgett Rakestraw, Sai P. Shum, Paul Angelo Odorisio
-
Patent number: 10975325Abstract: The presently claimed invention is directed to poly(meth)acrylate copolymers containing alkyl(meth)acrylate comonomer with branched C17 alkyl group. The invention is further related to lubricating oil compositions comprising poly(meth)acrylate copolymers containing alkyl(meth) acrylate comonomer with branched C17 alkyl group as viscosity index improving component.Type: GrantFiled: January 4, 2017Date of Patent: April 13, 2021Assignee: BASF SEInventors: Szilard Csihony, Mary Elizabeth Dery, Philippe Rabbat, Ryan James Fenton
-
Publication number: 20200248093Abstract: A lubricant composition includes a base oil present in an amount of greater than 70 parts by weight per 100 parts by weight of the lubricant composition and an antioxidant. The antioxidant has the structure: wherein each X is independently C—A or N, so long as at least one X is N but no more than two of X are N. Moreover, A is H, cyano or an electron donating group that: (1) has an atom having at least one lone pair of electrons that is bonded directly to the aromatic ring; or (2) is an aryl group or alkyl group. Further, each R is independently H, an alkyl group, or aryl group and each R? is independently an alkyl group or an aryl group.Type: ApplicationFiled: April 23, 2020Publication date: August 6, 2020Inventors: Philippe Rabbat, Mary Elizabeth Dery, Bridgett Rakestraw, Sai P. Shum, Paul Angelo Odorisio
-
Publication number: 20200239803Abstract: A lubricant composition includes a base oil present in an amount of greater than 70 parts by weight per 100 parts by weight of the lubricant composition and an antioxidant. The antioxidant has the structure: wherein each X is independently CH or N, so long as at least one X is N. A is an electron donating group that (1) has an atom having at least one lone pair of electrons that is bonded directly to the aromatic ring or (2) is an aryl or alkyl group. Z is chosen from a hydrogen atom and an electron donating group that has an atom having at least one lone pair electrons that is bonded directly to the aromatic ring or is an aryl or alkyl group.Type: ApplicationFiled: April 14, 2020Publication date: July 30, 2020Inventors: Philippe Rabbat, Mary Elizabeth Dery, Bridgett Rakestraw, Sai P. Shum, Paul Angelo Odorisio
-
Patent number: 10662390Abstract: A lubricant composition includes a base oil present in an amount of greater than 70 parts by weight per 100 parts by weight of the lubricant composition and an antioxidant. The antioxidant has the structure: wherein each X is independently C-A or N, so long as at least one X is N but no more than two of X are N. Moreover, A is H, cyano or an electron donating group that: (1) has an atom having at least one lone pair of electrons that is bonded directly to the aromatic ring; or (2) is an aryl group or alkyl group. Further, each R is independently H, an alkyl group, or aryl group and each R? is independently an alkyl group or an aryl group.Type: GrantFiled: September 2, 2016Date of Patent: May 26, 2020Assignee: BASF SEInventors: Philippe Rabbat, Mary Elizabeth Dery, Bridgett Rakestraw, Sai P. Shum, Paul Angelo Odorisio
-
Patent number: 10655079Abstract: A lubricant composition includes a base oil present in an amount of greater than 70 parts by weight per 100 parts by weight of the lubricant composition and an antioxidant. The antioxidant has the structure: wherein each X is independently CH or N, so long as at least one X is N. A is an electron donating group that (1) has an atom having at least one lone pair of electrons that is bonded directly to the aromatic ring or (2) is an aryl or alkyl group. Z is chosen from a hydrogen atom and an electron donating group that has an atom having at least one lone pair of electrons that is bonded directly to the aromatic ring or is an aryl or alkyl group.Type: GrantFiled: September 2, 2016Date of Patent: May 19, 2020Assignee: BASF SEInventors: Philippe Rabbat, Mary Elizabeth Dery, Bridgett Rakestraw, Sai P. Shum, Paul Angelo Odorisio
-
Publication number: 20190016987Abstract: The presently claimed invention is directed to poly(meth)acrylate copolymers containing alkyl(meth)acrylate comonomer with branched C17 alkyl group. The invention is further related to lubricating oil compositions comprising poly(meth)acrylate copolymers containing alkyl(meth) acrylate comonomer with branched C17 alkyl group as viscosity index improving component.Type: ApplicationFiled: January 4, 2017Publication date: January 17, 2019Inventors: Szilard CSIHONY, Mary Elizabeth DERY, Philippe RABBAT, Ryan James FENTON
-
Publication number: 20180265800Abstract: A lubricant composition includes a base oil present in an amount of greater than 70 parts by weight per 100 parts by weight of the lubricant composition and an antioxidant. The antioxidant has the structure: wherein each X is independently CH or N, so long as at least one X is N, wherein Y is CRR?, NR?, PR?, S, or O, each R, R? and R? is independently H, alkyl or aryl, and R? is alkyl, aryl, alkoxy or aryloxy. Each A is independently an electron donating group. The electron donating group (1) has an atom having at least one lone pair of electrons that is bonded directly to the aromatic ring, (2) is an aryl or alkyl group, or (3) is a hydrogen atom.Type: ApplicationFiled: September 2, 2016Publication date: September 20, 2018Inventors: Philippe Rabbat, Mary Elizabeth Dery, Bridgett Rakestraw, Sai P. Shum, Paul Angelo Odorisio, Derek Andrew Pratt, Evan Antony Haidasz
-
Publication number: 20180251697Abstract: A lubricant composition includes a base oil present in an amount of greater than 70 parts by weight per 100 parts by weight of the lubricant composition and an antioxidant. The antioxidant has the structure: wherein each X is independently C-A or N, so long as at least one X is N but no more than two of X are N. Moreover, A is H, cyano or an electron donating group that: (1) has an atom having at least one lone pair of electrons that is bonded directly to the aromatic ring; or (2) is an aryl group or alkyl group. Further, each R is independently H, an alkyl group, or aryl group and each R? is independently an alkyl group or an aryl group.Type: ApplicationFiled: September 2, 2016Publication date: September 6, 2018Applicant: BASF SFInventors: Philippe Rabbat, Mary Elizabeth Dery, Bridgett Rakestraw, Sai P. Shum, Paul Angelo Odorisio
-
Publication number: 20180251698Abstract: A lubricant composition includes a base oil present in an amount of greater than 70 parts by weight per 100 parts by weight of the lubricant composition and an antioxidant. The antioxidant has the structure: wherein each X is independently CH or N, so long as at least one X is N. A is an electron donating group that (1) has an atom having at least one lone pair of electrons that is bonded directly to the aromatic ring or (2) is an aryl or alkyl group. Z is chosen from a hydrogen atom and an electron donating group that has an atom having at least one lone pair of electrons that is bonded directly to the aromatic ring or is an aryl or alkyl group.Type: ApplicationFiled: September 2, 2016Publication date: September 6, 2018Inventors: Philippe Rabbat, Mary Elizabeth Dery, Bridgett Rakestraw, Sai P. Shum, Paul Angelo Odorisio
-
Patent number: 10035970Abstract: A lubricant composition for improving fuel economy of a vehicle having an internal combustion engine includes a base oil and a friction-reducing compound. The friction reducing compound has the following general formula: wherein R is an alkyl or alkenyl group having 8 or more carbon atoms, each R1 is an independently selected hydrocarbon group having 2 to 10 carbon atoms, and n is 1.Type: GrantFiled: May 9, 2017Date of Patent: July 31, 2018Assignee: BASF SEInventors: Jeffrey Alan Levine, Si Wu, David E. Chasan, Philippe Rabbat, Ryan J. Fenton, Glenn C. Phillips
-
Publication number: 20170321147Abstract: A lubricant composition for improving fuel economy of a vehicle having an internal combustion engine includes a base oil and a friction-reducing compound. The friction reducing compound has the following general formula: wherein R is an alkyl or alkenyl group having 8 or more carbon atoms, each le is an independently selected hydrocarbon group having 2 to 10 carbon atoms, and n is 1.Type: ApplicationFiled: May 9, 2017Publication date: November 9, 2017Applicant: BASF SEInventors: Jeffrey Alan Levine, Si Wu, David E. Chasan, Philippe Rabbat, Ryan J. Fenton, Glenn C. Phillips
-
Patent number: 9562208Abstract: This disclosure is directed to a lubricant composition having improved compatibility with fluoropolymer seals. The lubricant composition includes a base oil and a sulfonate ester. The disclosure is also directed to an additive package for a lubricant composition that provides improved compatibility with fluoropolymer seals. The additive package includes the sulfonate ester. The disclosure is also directed to a method of improving compatibility of a lubricant composition with a fluoropolymer seal disposed in an internal combustion engine. The sulfonate ester improves the compatibility with fluoropolymer seals of the resultant lubricant composition.Type: GrantFiled: July 2, 2015Date of Patent: February 7, 2017Assignee: BASF SEInventors: Kevin DeSantis, Michael Hoey, Alfred Karl Jung, Stephen Ray Jones, Eugene Scanlon, Philippe Rabbat
-
Publication number: 20160002560Abstract: This disclosure is directed to a lubricant composition having improved compatibility with fluoropolymer seals. The lubricant composition includes a base oil and a sulfonate ester. The disclosure is also directed to an additive package for a lubricant composition that provides improved compatibility with fluoropolymer seals. The additive package includes the sulfonate ester. The disclosure is also directed to a method of improving compatibility of a lubricant composition with a fluoropolymer seal disposed in an internal combustion engine. The sulfonate ester improves the compatibility with fluoropolymer seals of the resultant lubricant composition.Type: ApplicationFiled: July 2, 2015Publication date: January 7, 2016Applicant: BASF SEInventors: Kevin DeSantis, Michael Hoey, Alfred Karl Jung, Stephen Ray Jones, Eugene Scanlon, Philippe Rabbat