1
Jean Pierre Ibar: Process for the preparation of polymers from polymer slurries. Stratek Plastic, Baker & Daniels, December 4, 2007: US07304125 (38 worldwide citation)

A process for manufacturing a polymer having a molecular weight in excess of 5,000, and preferably in excess of 40,000, comprises, producing a polymerized reaction mass in which the polymer is dispersed, the reaction mass including solvent(s), unreacted monomer and other unwanted contaminants; feedi ...


2
Jean Pierre Ibar: Method and apparatus to control viscosity of molten plastics prior to a molding operation. Notaro & Michalos P C, April 3, 2001: US06210030 (36 worldwide citation)

An apparatus and method for continuously reducing the viscosity of molten moldable polymeric material uses shear vibration under extensional flow to cause disentanglement. One or more station treatment cavities are defined by a gap composed of two closely separated surfaces in relative motion with e ...


3
Jean Pierre Ibar: Method and apparatus for transforming the physical characteristics of a material by controlling the influence of rheological parameters. Seidel Gonda & Goldhammer, September 4, 1984: US04469649 (32 worldwide citation)

The invention relates to a method and apparatus for transforming the physical characteristics of a material such as for an end finished molded product and to the materials or products obtained thereby. The method and apparatus are characterized in that the temperature of the material is simultaneous ...


4
Jean Pierre Ibar: Molding apparatus and a method of using the same. Thermold Partners, Seidel Gonda Lavorgna & Monaco PC, February 25, 1997: US05605707 (25 worldwide citation)

The invention pertains to an apparatus and method of using the same. This apparatus includes a mold defining a mold cavity and an inlet through which molten material can pass. Also included is at least one feeder for preparing a molten material. This feeder has an outlet through which molten materia ...


5
Jean Pierre Ibar: Apparatus for controlling gas assisted injection molding to produce hollow and non-hollow plastic parts and modify their physical characteristics. Notaro & Michalos P C, January 6, 1998: US05705201 (18 worldwide citation)

An apparatus and method includes a mold which defines a mold cavity with an inlet through which a molten, moldable material can pass into and/or through the mold cavity. A feeder for preparing the molten, moldable material, is spaced from the mold and expels the material to the mold cavity or to an ...


6
Jean Pierre Ibar: Method for exerting stress tensor to molding material. Solomat Partners, Seidel Gonda Lavorgna & Monaco, August 6, 1996: US05543092 (15 worldwide citation)

A method is disclosed for exerting a stress tensor on moldable material in a mold cavity. The method involves the steps of feeding a moldable material from a feeder to an accumulator. The material is preferably melted prior to accumulation within the accumulator so as to form a material flow. After ...


7
Jean Pierre Ibar: Vibrating wall surfaces for molding deformable materials. Thermold Partners, Seidel Gonda Lavorgna & Monaco, February 27, 1996: US05494426 (14 worldwide citation)

The present invention provides an apparatus for shaping deformable materials during molding processes. Such an apparatus includes, among other things, a vibrating wall assembly. The vibrating wall assembly fits the contours of at least a portion of a mold's cavity. The vibrating wall assembly includ ...


8
Jean Pierre Ibar: Process for analyzing, monitoring and/or controlling the internal structure of non-conductive, moldable material by inducing an electrical effect therein before it is molded. Solomat Partners, Seidel Gonda Lavorgna & Monaco, December 21, 1993: US05271876 (14 worldwide citation)

A process is provided for electrically treating a non-conductive, moldable material by inducing therein a desired electrical effect before it is molded into a desired shape. The process includes pressing, injecting or extruding a material to form a tube, film, rod or the like. The material is then e ...


9
Jean Pierre Ibar: Viscosity control for molten plastics prior to molding. Notaro & Michalos P C, March 23, 1999: US05885495 (13 worldwide citation)

A method for controlling the viscosity of molten polymers, such as polycarbonate, takes place prior to a molding operation such as injection molding, extrusion, thermoforming or blow molding. When a significant reduction of viscosity is desirable, the plastic melt is submitted, at constant temperatu ...


10
Jean Pierre Ibar: Process for analyzing relaxation spectra and resonances in materials. Solomat Partners, Seidel Gonda Lavorgna & Monaco, October 6, 1992: US05152607 (12 worldwide citation)

The present invention relates to the use of thermal stimulated processes for analyzing relaxation spectra and resonances in materials. The process is characterized in that at least two coupled excitation fields are applied to the sample of material analyzed along with a programmed temperature variat ...