1
Carl S Nichols, Tony Clifford Moore, Walter Lee Edwards: Method of post-polymerization stabilization of high activity catalysts in continuous polyethylene terephthalate production. Wellman, Philip Summa, April 27, 1999: US05898058 (102 worldwide citation)

A continuous process for producing polyethylene terephthalate polyester from terephthalic acid and ethylene glycol uses a stabilizer, preferably containing phosphorous, to produce a high quality polyethylene terephthalate polyester which is relatively free of the acetaldehyde and discoloration which ...


2
David E Jech, Jordan P Frazier, Richard H Sworden, Juan L Sepulveda: Functionally graded metal substrates and process for making same. Brush Wellman, Calfee Halter & Griswold, September 5, 2000: US06114048 (42 worldwide citation)

The invention provides for a functionally-graded metal substrate that is made of at least two metal compositions, a functional insert and a surrounding body that surrounds the functional insert. In a preferred embodiment of the invention a functional insert powder composition of loose powder metal i ...


3
Carl Steven Nichols, Tony Clifford Moore, Robert Joseph Schiavone, Walter Lee Edwards: Methods of post-polymerization extruder injection in condensation polymer production. Wellman, Summa & Allan P A, July 8, 2003: US06590069 (41 worldwide citation)

The invention is a novel method for the late introduction of additives into condensation polymers. The method employs a reactive carrier that functions as a delivery vehicle for one or more additives. The reactive carrier reacts with the condensation polymers, thereby binding the reactive carrier in ...


4
Carl Steven Nichols, Tony Clifford Moore, Robert Joseph Schiavone, Walter Lee Edwards: Methods of post-polymerization extruder injection in polyethylene terephthalate production. Wellman, Summa & Allan P A, May 27, 2003: US06569991 (39 worldwide citation)

The invention is a novel method for the late introduction of additives into polyethylene terephthalate. The method employs a reactive carrier that functions as a delivery vehicle for one or more additives. The reactive carrier reacts with the polyethylene terephthalate, thereby binding the reactive ...


5
Walter Lee Edwards, Robert Joseph Schiavone, Carl Steven Nichols, Tony Clifford Moore: Polyester bottle resins having reduced frictional properties and methods for making the same. Wellman, Summa & Allan P A, December 31, 2002: US06500890 (39 worldwide citation)

The invention is a polyester resin that includes between about 20 and 200 ppm of an inert particulate additive, preferably selected from the group consisting of surface-modified talc and surface-modified calcium carbonate. The invention is also a method of making the polyester resin, which is capabl ...


6
Man K Wong: Combined humidifier and fan heater unit. Wellman Industrial Company, Kenyon & Kenyon, June 21, 1988: US04752423 (38 worldwide citation)

A combined humidifier and fan heater unit includes a humidifier part (1) electrically operable to dispense water vapour into the surrounding air space for humidifying purposes, and a fan heater part (2) electrically operable either together with or instead of the humidifier part (1) to draw air from ...


7
Carl Steven Nichols, Tony Clifford Moore: Methods for the late introduction of additives into polyethylene terephthalate. Wellman, Summa & Allan P A, October 12, 2004: US06803082 (37 worldwide citation)

The invention is a method for the late introduction of additives into polyethylene terephthalate. The method employs a reactive carrier that functions as a delivery vehicle for one or more additives. The reactive carrier reacts with the polyethylene terephthalate, thereby binding the reactive carrie ...


8
Walter Lee Edwards, Robert Joseph Schiavone: Polymer resins having reduced frictional properties. Wellman, Summa & Allan P A, April 27, 2004: US06727306 (34 worldwide citation)

The invention is a polymer resin that includes between about 20 and 200 ppm of an inert particulate additive, preferably selected from the group consisting of surface-modified talc and surface-modified calcium carbonate. The polymer resin is capable of being formed into low-haze, high-clarity bottle ...


9
Carl Steven Nichols, Tony Clifford Moore, Robert Joseph Schiavone, Walter Lee Edwards: Methods of post-polymerization injection in condensation polymer production. Wellman, Summa & Allan P A, June 3, 2003: US06573359 (34 worldwide citation)

The invention is a novel method for the late introduction of additives into a process for making condensation polymers. The method employs a reactive carrier that functions as a delivery vehicle for one or more additives. The reactive carrier reacts with the condensation polymers, thereby binding th ...


10
Carl Steven Nichols, Tony Clifford Moore: Methods of post-polymerization injection in continuous polyethylene terephthalate production. Wellman, Summa & Allan PA, July 29, 2003: US06599596 (34 worldwide citation)

The invention is a novel method for the late introduction of additives into a continuous process for making polyethylene terephthalate. The method employs a reactive carrier that functions as a delivery vehicle for one or more additives. The reactive carrier reacts with the polyethylene terephthalat ...



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