Patents by Inventor Larry A. Rosenbaum
Larry A. Rosenbaum 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: 6261655Abstract: A multiple layer structure comprising a skin layer composed of a polypropylene copolymer with styrene ethylene-butene styrene block copolymer within a range of 0-20% by weight skin layer, and, a radio frequency (“RF”) susceptible layer adhered to the skin layer. The RF layer has a first component of a propylene based polymer, a second component of a nonpropylene polyolefin, a third component of a radio frequency susceptible polymer, and a fourth component of a polymeric compatibilizing agent wherein the radio frequency susceptible polymer is selected from the group consisting of ethylene acrylic acid copolymers, ethylene methacrylic acid copolymers, polyimides, polyurethanes, polyesters, and polyureas.Type: GrantFiled: June 17, 1999Date of Patent: July 17, 2001Assignee: Baxter International Inc.Inventors: Larry A. Rosenbaum, William Anderson, Lecon Woo, Dean Laurin, Angeles Lillian Buan, Michael T. K. Ling, Yuan Pang Samuel Ding, Denise S. Hayward, Joseph P. Hoppesch, Gregg Nebgen, Stanley Westphal
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Patent number: 6168862Abstract: A multiple layer structure comprising a skin layer composed of a polypropylene copolymer with styrene ethylene-butene styrene block copolymer within a range of 0-20% by weight skin layer, and, a radio frequency (“RF”) susceptible layer adhered to the skin layer. The RF layer has a first component of a propylene based polymer, a second component of a nonpropylene polyolefin, a third component of a radio frequency susceptible polymer, and a fourth component of a polymeric compatibilizing agent.Type: GrantFiled: June 16, 1999Date of Patent: January 2, 2001Assignee: Baxter International Inc.Inventors: Larry A. Rosenbaum, William Anderson, Lecon Woo, Dean Laurin, Angeles Lillian Buan, Michael T. K. Ling, Yuan Pang Samuel Ding, Denise S. Hayward, Joseph P. Hoppesch, Gregg Nebgen, Stanley Westphal
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Patent number: 6149997Abstract: The present invention provides a non-PVC, non-DEHP material that can be used for medical grade tubing. Additionally, the present invention provides medical grade tubing made from such a material.Type: GrantFiled: January 30, 1992Date of Patent: November 21, 2000Assignee: Baxter International Inc.Inventors: Indrajit Patel, Harold Bowerman, Larry Rosenbaum, Rich Mennenoh, Pat Ryan
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Patent number: 6083587Abstract: The present invention provides a multiple layer structure for fabricating medical products. The layer structure has a core layer of an ethylene vinyl alcohol copolymer having an ethylene content of about 25-45 mole percent, a solution contact layer of a polyolefin positioned on a first side of the core layer, an outer layer positioned on a second side of the core layer opposite the solution contact layer, the outer layer being selected from the group consisting of polyamides, polyesters and polyolefins; two tie layers--one of each adhered to the first and second sides of the core layer and positioned between the solution contact layer and the core layer and between the outer layer and the core layer, and wherein the structure is produced in a cast coextrusion process.Type: GrantFiled: September 22, 1997Date of Patent: July 4, 2000Assignee: Baxter International Inc.Inventors: Sidney T. Smith, Larry Rosenbaum, Steven Giovanetto, Bradley Buchanan, Y. Samuel Ding, Suchuan C. Fan, Gregg Nebgen
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Patent number: 6024220Abstract: A container is disclosed comprising a first sidewall having a first layer and a second layer. The second layer overlaps a portion of the first layer to define an overlap area. A sealing flange extends from the first layer outward of the overlap area. A second sidewall is connected to the first sidewall along the sealing flange to define an inner chamber therebetween. The second sidewall and the sealing flange define a first layered structure having a first number of layers along the sealing flange. The overlap area and the second sidewall define a second layered structure having a second number of layers. The second number of layers is greater than the first number of layers. The container is sealed by positioning peripheral edges of the first and second sidewalls into registration so that the overlap area is substantially centrally disposed over the second sidewall and applying sealing energy to the first number of layers to define a peripheral seam.Type: GrantFiled: December 24, 1997Date of Patent: February 15, 2000Assignee: Baxter International Inc.Inventors: Sidney T. Smith, Bradley Buchanan, Steven Giovanetto, Larry Rosenbaum
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Patent number: 5998019Abstract: A multiple layer structure comprising a skin layer composed of a polypropylene copolymer with styrene ethylene-butene styrene block copolymer within a range of 0-20% by weight skin layer, and, a radio frequency ("RF") susceptible layer adhered to the skin layer. The RF layer has a first component of a propylene based polymer, a second component of a nonpropylene polyolefin, a third component of a radio frequency susceptible polymer, and a fourth component of a polymeric compatibilizing agent.Type: GrantFiled: November 16, 1993Date of Patent: December 7, 1999Assignee: Baxter International Inc.Inventors: Larry A. Rosenbaum, William Anderson, Lecon Woo, Dean Laurin, Angeles Lillian Buan, Michael T.K. Ling, Yuan Pang Samuel Ding, Denise S. Hayward, Joseph P. Hoppesch, Gregg Nebgen, Stanley Westphal
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Patent number: 5993949Abstract: A multiple layer structure comprising a skin layer, a barrier layer, a radio frequency susceptible layer having a first polyolefin in an amount within a range of 30-60% by weight, a second polyolefin in an amount within the range of 25-50% by weight, a radio frequency susceptible polymer in an amount within the range of 3-40% by weight, a styrene and hydrocarbon block copolymer in an amount within the range of 5-40% by weight of the sealant layer.Type: GrantFiled: November 21, 1997Date of Patent: November 30, 1999Assignee: Baxter International Inc.Inventors: Larry Rosenbaum, Steven Giovanetto, Sidney T. Smith, David V. Bacehowski, Gregg Nebgen, Varsha Kalyankar
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Patent number: 5976300Abstract: The present invention provides a method for connecting rounded members between planar members comprising the steps of providing a rounded member having an outer layer having a first melting temperature range and an inner layer concentrically disposed within the outer layer and having a second melting temperature range, the second melting temperature range being warmer than the first melting temperature range, providing a pair of opposed planar members, the planar members each having a melting temperature within the first melting temperature range, positioning an end portion of the rounded member between perimeter edges of the pair of planar members to define an interface area, applying pressure to the interface area to collapse the end portion of the rounded member to essentially a flattened position, applying sealing energy to the interface area to heat the rounded member to a temperature within the first melting temperature range but below the second melting temperature range, thereby forming a weld betweenType: GrantFiled: December 15, 1997Date of Patent: November 2, 1999Assignee: Baxter International Inc.Inventors: Bradley Buchanan, Larry Rosenbaum, Sidney T. Smith
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Patent number: 5935847Abstract: A multi-layer, flexible, gas-permeable film (10) suitable for forming a cell culture container (20), the film (10) comprising a first layer (12) composed of a polystyrene having a thickness within the range of 0.0001 inches to about 0.0010 inches and, a second layer (14) adhered to the first layer (12) composed of a polymer material having a thickness within the range of 0.004 inches to about 0.025 inches.Type: GrantFiled: May 4, 1998Date of Patent: August 10, 1999Assignee: Baxter International Inc.Inventors: Sidney T. Smith, David V. Bacehowski, William Kolanko, Larry Rosenbaum, Stephen L. Smith, James G. Bender, Lecon Woo, Michael T. K. Ling
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Patent number: 5854347Abstract: Multiple component polymer compositions for fabrication into articles. In particular, polymeric compositions comprising a heat resistant polymer; a radio frequency ("RF") susceptible polymer; a compatibilizing polymer; the composition having physical properties within the range a<40,000 psi; b>=70%; c<30%; d>1.0; e<0.1%; f<0.1%; g>=0.05; h<=60%; i=0; wherein: a is the mechanical modulus of the composition measured according to ASTM D-882; b is the percent recovery in length of the composition after an initial 20% deformation; c is the optical haze of the composition being 9 mils in thickness according to ASTM D-1003; d is the loss tangent of the composition at 1 Hz measured at melt processing temperatures; e is the elemental halogen content by weight of the composition; f is the low molecular weight water soluble fraction of the composition; g is the dielectric loss between 1 and 60 MHz and over temperatures of 25.degree. to 250.degree. C.Type: GrantFiled: June 5, 1995Date of Patent: December 29, 1998Assignee: Baxter International Inc.Inventors: Dean Laurin, Angeles Lillian Buan, Lecon Woo, Michael T. K. Ling, Yuan Pang Samuel Ding, William Anderson, Larry A. Rosenbaum, Denise S. Hayward, Joseph P. Hoppesch, Gregg Nebgen, Stanley Westphal
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Patent number: 5849843Abstract: Multiple component polymer compositions for fabrication into articles. In particular, polymeric compositions comprising a heat resistant polymer; a radio frequency ("RF") susceptible polymer; a compatibilizing polymer; the composition having physical properties within the range a<40,000 psi; b>=70%; c<30%; d>1.0; e<0.1%; f<0.1%; g>=0.05; h<=60%; i=0; wherein: a is the mechanical modulus of the composition measured according to ASTM D-882; b is the percent recovery in length of the composition after an initial 20% deformation; c is the optical haze of the composition being 9 mils in thickness according to ASTM D-1003; d is the loss tangent of the composition at 1 Hz measured at melt processing temperatures; e is the elemental halogen content by weight of the composition; f is the low molecular weight water soluble fraction of the composition; g is the dielectric loss between 1 and 60 MHz and over temperatures of 25.degree. to 250.degree. C.Type: GrantFiled: November 16, 1993Date of Patent: December 15, 1998Assignee: Baxter International Inc.Inventors: Dean Laurin, Angeles Lillian Buan, Lecon Woo, Michael T. K. Ling, Yuan Pang Samuel Ding, William Anderson, Larry A. Rosenbaum, Denise S. Hayward, Joseph P. Hoppesch, Gregg Nebgen, Stanley Westphal
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Patent number: 5733619Abstract: The present invention provides a non-PVC, non-DEHP material that can be used for medical grade tubing. Additionally, the present invention provides medical grade tubing made from such a material.Type: GrantFiled: June 7, 1995Date of Patent: March 31, 1998Assignee: Baxter International Inc.Inventors: Indrajit Patel, Harold Bowerman, Larry Rosenbaum, Rich Mennenoh, Pat Ryan
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Patent number: 5693387Abstract: A multiple layer structure comprising a skin layer, a barrier layer, a radio frequency susceptible layer having a first polyolefin in an amount within a range of 30-60% by weight, a second polyolefin in an amount within the range of 25-50% by weight, a radio frequency susceptible polymer in an amount within the range of 3-40% by weight, a styrene and hydrocarbon block copolymer in an amount within the range of 5-40% by weight of the sealant layer.Type: GrantFiled: June 7, 1995Date of Patent: December 2, 1997Assignee: Baxter International Inc.Inventors: Larry Rosenbaum, Steven Giovanetto, Sidney T. Smith, David V. Bacehowski, Gregg Nebgen, Varsha Kalyankar
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Patent number: 5686527Abstract: Multiple component polymer compositions for fabrication into articles. In particular, polymeric compositions comprising a heat resistant polymer; a radio frequency ("RF") susceptible polymer; a compatibilizing polymer; the composition having physical properties within the range a<40,000 psi; b>=70%; c<30%; d>1.0; e<0.1%; f<0.1%; g>=0.05; h<=60%; i=0; wherein: a is the mechanical modulus of the composition measured according to ASTM D-882; b is the percent recovery in length of the composition after an initial 20% deformation; c is the optical haze of the composition being 9 mils in thickness according to ASTM D-1003; d is the loss tangent of the composition at 1 Hz measured at melt processing temperatures; e is the elemental halogen content by weight of the composition; f is the low molecular weight water soluble fraction of the composition; g is the dielectric loss between 1 and 60 MHz and over temperatures of 25.degree. to 250.degree. C.Type: GrantFiled: June 5, 1995Date of Patent: November 11, 1997Assignee: Baxter International Inc.Inventors: Dean Laurin, Angeles Lillian Buan, Lecon Woo, Michael T. K. Ling, Yuan Pang Samuel Ding, William Anderson, Larry A. Rosenbaum, Denise S. Hayward, Joseph P. Hoppesch, Gregg Nebgen, Stanley Westphal
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Patent number: 5533992Abstract: A non-PVC, non-DEHP material is provided for medical grade products such as tubing and containers. The material comprises a monolayer blend of a polyurethane based material. In an embodiment, the resultant product of the present invention has good low temperature characteristics, is autoclavable, and RF sealable. Accordingly, the resultant product can be utilized for applications which heretofore have been filled in the marketplace by DEHP plasticized PVC products.Type: GrantFiled: January 30, 1992Date of Patent: July 9, 1996Inventors: Indrajit Patel, Harold Bowerman, Larry Rosenbaum, Rich Mennenoh, Pat Ryan
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Patent number: 5193913Abstract: A web of film for use in manufacturing flexible containers is provided. In an embodiment, the film comprises a first layer constructed from a non-RF responsive material and a second layer constructed from a RF responsive material. The second layer has a sufficiently greater thickness than the first layer that when sufficient RF energy is applied to the second layer, the first layer is sealed to a second film surface. In an embodiment, the film has three layers. A container constructed from the film is also provided.Type: GrantFiled: February 4, 1992Date of Patent: March 16, 1993Assignee: Baxter International Inc.Inventor: Larry A. Rosenbaum
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Patent number: 5098202Abstract: A web of film capable of being constructed into a flexible container is provided. The web of film comprises: a first layer of polyester; a second layer of polyvinyl chloride that does not include a DEHP plasticizer or epoxidized oil; a third gas barrier layer; a fourth layer of polyvinyl chloride that does not include a plasticizer; and a fifth layer of polyester. A container made from the film is also provided.Type: GrantFiled: May 11, 1989Date of Patent: March 24, 1992Assignee: Baxter International Inc.Inventor: Larry A. Rosenbaum
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Patent number: 4978579Abstract: The present invention provides film structures for creating two identical webs of film. Preferably, the so created webs of film include a sterile surface. The webs of film are suitable for being processed into flexible containers.Type: GrantFiled: May 11, 1989Date of Patent: December 18, 1990Assignee: Baxter International Inc.Inventor: Larry A. Rosenbaum
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Patent number: 4527319Abstract: A sleeve of plastic material from an extruder is molded by a blow molding apparatus into a tubular structure which includes two top walls longitudinally connected at base ends and apex ends. A splitting apparatus splits the longitudinally connected base ends apart to form two top walls. The top walls are oriented with their base ends upward. An extruder extrudes a flow of softened plastic which is divided by a manifold into four flows. Four applicators connected with the manifold apply beads of softened plastic along each top wall base end. A ribbed roller presses flexible strips against the plastic beads on each of the top walls. The flexible strips are fed from rolls of finite length mounted on a stand. The stand holds operating rolls and back up rolls. A splicing apparatus splices the trailing end of each operating roll with a leading end of the corresponding back up roll.Type: GrantFiled: September 28, 1981Date of Patent: July 9, 1985Assignee: Hancor, Inc.Inventors: Larry A. Rosenbaum, H. John Sidaway
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Patent number: 4509911Abstract: A plurality of internal couplers (A, B, C, D) are integrally connected end to end in a single tubing construction of indeterminant length. Between each coupler is an annular, frangible region (14, 24) of thin plastic. In the field, the individual couplers are readily broken manually from the tubing construction. Each coupler includes a plurality of cleats (40) which are partially surrounded by a region (50) of relatively thin plastic material. The couplers are manufactured by continuously blow molding a sleeve of softened plastic into the tubing construction of indeterminent length.Type: GrantFiled: July 11, 1983Date of Patent: April 9, 1985Assignee: Hancor, Inc.Inventor: Larry A. Rosenbaum