Patents by Inventor John Lawrence Pawlak
John Lawrence Pawlak 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: 9760032Abstract: A toner composition comprising (a) a first lower molecular weight amorphous polyester resin comprising a polyester derived from dodecenyl succinic acid, dodecenyl succinic anhydride, or a combination thereof present in an amount of from about 5 to about 15 weight percent, based on the total weight of the first amorphous polyester; (b) a second higher molecular weight amorphous polyester resin comprising a polyester derived from dodecenyl succinic acid, dodecenyl succinic anhydride, or a combination thereof, and a branching agent derived from a polyacid or polyol component; wherein the dodecenyl succinic acid, dodecenyl succinic anhydride, or combination thereof is present in the second amorphous polyester in an amount of from about 5 to about 15 weight percent, based on the total weight of the second amorphous polyester; (c) a crystalline polyester resin; (d) a wax; and (e) optionally, a colorant.Type: GrantFiled: February 25, 2016Date of Patent: September 12, 2017Assignee: Xerox CorporationInventors: Guerino G. Sacripante, Kimberly D. Nosella, John Lawrence Pawlak
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Publication number: 20170248859Abstract: A toner composition comprising (a) a first lower molecular weight amorphous polyester resin comprising a polyester derived from dodecenyl succinic acid, dodecenyl succinic anhydride, or a combination thereof present in an amount of from about 5 to about 15 weight percent, based on the total weight of the first amorphous polyester; (b) a second higher molecular weight amorphous polyester resin comprising a polyester derived from dodecenyl succinic acid, dodecenyl succinic anhydride, or a combination thereof, and a branching agent derived from a polyacid or polyol component; wherein the dodecenyl succinic acid, dodecenyl succinic anhydride, or combination thereof is present in the second amorphous polyester in an amount of from about 5 to about 15 weight percent, based on the total weight of the second amorphous polyester; (c) a crystalline polyester resin; (d) a wax; and (e) optionally, a colorant.Type: ApplicationFiled: February 25, 2016Publication date: August 31, 2017Inventors: Guerino G. Sacripante, Kimberly D. Nosella, John Lawrence Pawlak
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Patent number: 9663615Abstract: A method of synthesizing a branched polyester resin. Particularly, the method includes an alkoxylation reaction that includes reacting a monomer bisphenol A with a cyclic alkylene carbonate.Type: GrantFiled: February 5, 2016Date of Patent: May 30, 2017Assignee: XEROX CORPORATIONInventors: Karen A. Moffat, Shigang S. Qiu, Yulin Wang, Kevin F. Marcell, Wafa F. Bashir, Richard P N Veregin, John Lawrence Pawlak, Christopher M. Wolfe
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Patent number: 9229344Abstract: Unsaturated polyester resins and processes for making the same are disclosed herein. In particular, the process for making the resin provides resins with improved properties. The unsaturated polyester resins have substantially reduced free fumaric acid as compared to that made from conventional processes. The toner resins are used to prepare toner compositions that have improved performance.Type: GrantFiled: April 17, 2014Date of Patent: January 5, 2016Assignee: XEROX CORPORATIONInventors: Karen A. Moffat, Yulin Wang, Shigang Steven Qiu, John Lawrence Pawlak, Alexander N. Klymachyov, Kevin F. Marcell, Judith M. Vandewinckel, Wafa F. Bashir, Richard P. N. Veregin, Christopher M. Wolfe
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Patent number: 9223239Abstract: Amorphous polyester resins and processes for making the same are disclosed herein. In particular, the process for making the resin provides resins with improved properties. The amorphous polyester resins have substantially reduced free fumaric acid as compared to that made from conventional processes. The toner resins are used to prepare toner compositions the have improved performance.Type: GrantFiled: April 17, 2014Date of Patent: December 29, 2015Assignee: XEROX CORPORATIONInventors: Karen A. Moffat, Yulin Wang, Shigang Steven Qiu, John Lawrence Pawlak, Alexander N. Klymachyov, Kevin F. Marcell, Judith M. Vandewinckel, Wafa F. Bashir, Richard P. N. Veregin, Christopher M. Wolfe
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Publication number: 20150301467Abstract: Unsaturated polyester resins and processes for making the same are disclosed herein. In particular, the process for making the resin provides resins with improved properties. The unsaturated polyester resins have substantially reduced free fumaric acid as compared to that made from conventional processes. The toner resins are used to prepare toner compositions that have improved performance.Type: ApplicationFiled: April 17, 2014Publication date: October 22, 2015Applicant: XEROX CORPORATIONInventors: Karen A. Moffat, Yulin Wang, Shigang Steven Qiu, John Lawrence Pawlak, Alexander N. Klymachyov, Kevin F. Marcell, Judith M. Vandewinckel, Wafa F. Bashir, Richard P.N. Veregin, Christopher M. Wolfe
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Publication number: 20150301466Abstract: Amorphous polyester resins and processes for making the same are disclosed herein. In particular, the process for making the resin provides resins with improved properties. The amorphous polyester resins have substantially reduced free fumaric acid as compared to that made from conventional processes. The toner resins are used to prepare toner compositions the have improved performance.Type: ApplicationFiled: April 17, 2014Publication date: October 22, 2015Applicant: XEROX CORPORATIONInventors: Karen A. Moffat, Yulin Wang, Shigang Steven Qiu, John Lawrence Pawlak, Alexander N. Klymachyov, Kevin F. Marcell, Judith M. Vandewinckel, Wafa F. Bashir, Richard P.N. Veregin, Christopher M. Wolfe
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Publication number: 20090229785Abstract: An automotive vehicle includes a seat assembly with one or more seat outlets for exhausting conditioned air to an occupant seat therein. A HVAC assembly operates in a warm-up mode and a cool-down for generating heated and cooled air to achieve a predetermined air temperature. An air selection module controls airflow from the HVAC assembly to air ducts for delivering air from the air selection module to the seat assembly. At least one seat valve moveable between open and closed positions controls air flow from the air selection module to one or more seat ducts. A purge valve moveable between open and closed positions vents air from the air selection module. The vehicle further includes a control system for closing the purge valve and opening at least one seat valve in response to the air temperature of the air from the HVAC assembly being at least the predetermined air temperature.Type: ApplicationFiled: March 13, 2008Publication date: September 17, 2009Inventors: Prasad Shripad Kadle, Edward Wolfe, IV, Timothy D. Craig, John Lawrence Pawlak, III
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Patent number: 7467657Abstract: A modular CPU cooling unit designed to fit within the available space within an existing box or cabinet containing a CPU. The fan, pump and liquid to air cross flow heat exchanger are fitted within the available volume with the fan spaced away from the heat exchanger a suitable distance to pull air through the entire face area of the heat exchanger, even though it is considerably larger than the fan.Type: GrantFiled: June 7, 2006Date of Patent: December 23, 2008Assignee: Delphi Technologies, Inc.Inventors: John Lawrence Pawlak, III, Ilya Reyzin, Mohinder Singh Bhatti
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Publication number: 20070284094Abstract: A modular CPU cooling unit designed to fit within the available space within an existing box or cabinet containing a CPU. The fan, pump and liquid to air cross flow heat exchanger are fitted within the available volume with the fan spaced away from the heat exchanger a suitable distance to pull air through the entire face area of the heat exchanger, even though it is considerably larger than the fan.Type: ApplicationFiled: June 7, 2006Publication date: December 13, 2007Inventors: John Lawrence Pawlak, Ilya Reyzin, Mohinder Singh Bhatti
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Publication number: 20070272397Abstract: A closed loop liquid cooling unit for dissipating heat from an electronic device includes a housing having a bottom and a top. Opposing sides extend along a housing axis (AH) between an open entrance end and an open exit end. The cooling unit further includes a cold-plate and a heat exchanger having a plurality of cooling tubes that extend between headers. A pump and a plurality of hoses circulate liquid. A heat exchanger axis (AHEX) extends diagonally across the housing at an acute angle to the housing axis (AH). The heat exchanger axis (AHEX) defines a wedge-shaped entrance air plenum and a wedge-shaped exit air plenum. The headers are sealed for directing air through the air passages and across the cooling tubes. The pump is disposed within the wedge-shaped entrance air plenum.Type: ApplicationFiled: May 23, 2006Publication date: November 29, 2007Inventors: Ilya Reyzin, John Lawrence Pawlak, Mohinder Singh Bhatti
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Patent number: 6799102Abstract: An improved motor vehicle automatic climate control methodology develops HVAC commands for transient phase operation independent of the HVAC commands calibrated for steady-state phase operation. At system activation, a transient phase indicator is initialized based on the cabin temperature and the set temperature, and thereafter updated to reflect progress toward steady-state phase operation. The steady-state HVAC commands are based on ambient conditions and the set temperature, and the HVAC commands at system activation are based on the steady-state commands and offsets based on the initial in-car temperature. A transient modifier based on the transient phase indicator brings the initial HVAC commands into correspondence with the steady-state HVAC commands as the cabin temperature approaches the set temperature.Type: GrantFiled: November 13, 2002Date of Patent: September 28, 2004Assignee: Delphi Technologies, Inc.Inventors: Mingyu Wang, John Lawrence Pawlak, III, Charles Andrew Archibald, John M. Kirchberger
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Patent number: 6796135Abstract: The presence of sufficient condensate flow for odor-free operation of an air conditioning system is detected based on the surface temperature of a thermistor disposed in a condensate drainpipe of the evaporator and the power supplied to the thermistor. The surface temperature is used to calculate the temperatures of stagnant circumambient air and water. If the temperature for stagnant air is approximately equal to the evaporator temperature, the evaporator is too dry and the operating point of the air conditioning system is lowered to reduce the surface temperature of the evaporator. If the temperature for stagnant water is approximately equal to the evaporator temperature, the drainpipe is plugged. Alternately, a constant power is supplied to the thermistor, and its surface temperature is compared to a set of experimentally determined reference temperatures to deduce the evaporator state.Type: GrantFiled: June 12, 2003Date of Patent: September 28, 2004Assignee: Delphi Technologies, Inc.Inventors: Mohinder Singh Bhatti, Mingyu Wang, John Lawrence Pawlak, III
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Patent number: 6758742Abstract: An air partitioning device for a vehicle heating, ventilation, and air-conditioning system to divide a hot air stream into separate portions comprises an L-shaped front portion including a base leg and a dividing leg, and also comprises a tail portion extending from a back of the front portion, the tail portion oriented angularly to the dividing leg.Type: GrantFiled: July 16, 2002Date of Patent: July 6, 2004Assignee: Delphi Technologies, Inc.Inventors: Ashraf A. Farag, John W. McLaughlin, Thomas R. Johnson, John Lawrence Pawlak, III
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Patent number: 6732938Abstract: A motor vehicle automatic climate control determines HVAC parameter values for satisfying the required heating or cooling effort for steady-state cabin air temperature regulation, and controls the HVAC settings based such parameter values and on the deviation of the cabin air temperature (Tcabin) from the set temperature (TSET). If Tcabin is within a specified control band about TSET, the HVAC settings are controlled in accordance with the determined HVAC parameter values, but when Tcabin overshoots or undershoots the control band, the control enters a quasi-steady-state mode in which the control parameters are reset to drive Tcabin back in to the control band, and then brought into correspondence with the respective determined values based on the degree to which the overall control objective of regulating Tcabin at TSET is achieved.Type: GrantFiled: March 19, 2003Date of Patent: May 11, 2004Assignee: Delphi Technologies, Inc.Inventors: Mingyu Wang, John Lawrence Pawlak, III, Charles Andrew Archibald, John M. Kirchberger
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Patent number: 6732939Abstract: A motor vehicle automatic climate control computes the HVAC power requirement for cabin air temperature regulation, and determines corresponding air discharge temperature and blower motor speed commands using a two-step table look-up procedure. Nominal air discharge temperature and blower motor speed profiles are tabulated as a function of a Power Index generally corresponding to ambient temperature, and used along with the set temperature to form a table of HVAC power requirement vs. Power Index. In vehicle operation, the HVAC power requirement vs. Power Index table is used to retrieve a Power Index corresponding to the computed HVAC power requirement, and the air discharge temperature and blower motor speed tables are then used to retrieve air discharge temperature and blower motor speed commands based on the retrieved Power Index.Type: GrantFiled: March 19, 2003Date of Patent: May 11, 2004Assignee: Delphi Technologies, Inc.Inventors: Mingyu Wang, John Lawrence Pawlak, III, Charles Andrew Archibald, John M. Kirchberger
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Patent number: 6712280Abstract: A motor vehicle automatic climate control determines the heating or cooling influence of the deep mass components of the cabin and compensates the climate control to offset the thermal effects of the deep mass components on the cabin air temperature. The deep mass temperature is either measured or estimated by modeling, and combined with an estimate of the thermal resistance between the deep mass components and the cabin air to determine the heating or cooling power required to offset the deep mass temperature. The heating or cooling power so determined is used by a climate control algorithm to adjust the system air discharge velocity and temperature, directly compensating for the deep mass temperature effects.Type: GrantFiled: January 15, 2003Date of Patent: March 30, 2004Assignee: Delphi Technologies, Inc.Inventors: John Lawrence Pawlak, III, Mingyu Wang
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Publication number: 20040016817Abstract: A motor vehicle automatic climate control determines the heating or cooling influence of the deep mass components of the cabin and compensates the climate control to offset the thermal effects of the deep mass components on the cabin air temperature. The deep mass temperature is either measured or estimated by modeling, and combined with an estimate of the thermal resistance between the deep mass components and the cabin air to determine the heating or cooling power required to offset the deep mass temperature. The heating or cooling power so determined is used by a climate control algorithm to adjust the system air discharge velocity and temperature, directly compensating for the deep mass temperature effects.Type: ApplicationFiled: January 15, 2003Publication date: January 29, 2004Inventors: John Lawrence Pawlak, Mingyu Wang
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Publication number: 20040014418Abstract: An air partitioning device for a vehicle heating, ventilation, and air-conditioning system to divide a hot air stream into separate portions comprises an L-shaped front portion including a base leg and a dividing leg, and also comprises a tail portion extending from a back of the front portion, the tail portion oriented angularly to the dividing leg.Type: ApplicationFiled: July 16, 2002Publication date: January 22, 2004Inventors: Ashraf A. Farag, John W. McLaughlin, Thomas R. Johnson, John Lawrence Pawlak
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Publication number: 20030204292Abstract: An improved motor vehicle automatic climate control methodology develops HVAC commands for transient phase operation independent of the HVAC commands calibrated for steady-state phase operation. At system activation, a transient phase indicator is initialized based on the cabin temperature and the set temperature, and thereafter updated to reflect progress toward steady-state phase operation. The steady-state HVAC commands are based on ambient conditions and the set temperature, and the HVAC commands at system activation are based on the steady-state commands and offsets based on the initial in-car temperature. A transient modifier based on the transient phase indicator brings the initial HVAC commands into correspondence with the steady-state HVAC commands as the cabin temperature approaches the set temperature.Type: ApplicationFiled: November 13, 2002Publication date: October 30, 2003Inventors: Mingyu Wang, John Lawrence Pawlak, Charles Andrew Archibald, John M. Kirchberger