Search

Frederick L Colhoun

from Kingsport, TN
Age ~53
Get Report
Also known as:
Frederick Leslie Colhoun, Fred Colhoun, Frederick Calhoun
Phone and address:
1025 Parham Pl, Kingsport, TN 37660
(423) 245-5767
Related to:
Kathryn E Colhoun, 45Glen Thomasson, 53Charlene Hoffman, 82Marteen ThomassonMarlene ThomassonMildred Thomasson
Connected to:
Claudia A Coli, 47Nancy L Coli, 50Nina R Colianni, 33Tandi D Colibert, 45Dusan Colic, 47Nikola Colic, 45Andrea Colicchio, 29Antonio Colicchio, 49Maria Colicchio, 62Mary P Colicchio, 63

Frederick Colhoun Phones & Addresses

  • 1025 Parham Pl, Kingsport, TN 37660 (423) 245-5767
  • 2132 Heatherly Rd, Kingsport, TN 37660
  • Johnson City, TN
  • Somerville, MA
  • Arlington, MA
  • 109 Willows Ridge Ct, Johnson City, TN 37601 (423) 245-5767

Industries

Plastics

Resumes

Resumes

Frederick Colhoun Photo 1

Frederick Colhoun

View page
Location:
Johnson City, Tennessee Area
Industry:
Plastics

Publications

Us Patents

Polyester Polymer And Copolymer Compositions Containing Titanium Nitride Particles

View page
US Patent:
7368523, May 6, 2008
Filed:
Sep 16, 2005
Appl. No.:
11/228672
Inventors:
Zhiyong Xia - Kingsport TN, US
Steven Lee Stafford - Gray TN, US
Susan Sims - Kingsport TN, US
Frederick Leslie Colhoun - Kingsport TN, US
Assignee:
Eastman Chemical Company - Kingsport TN
International Classification:
C08K 3/22
US Classification:
528279, 528503, 428 347, 428 359, 524783, 524413
Abstract:
Polyester compositions are disclosed that include polyester polymers or copolymers having incorporated therein titanium nitride particles that provide one or more of the following advantages: improving the reheat properties of the compositions, improving the color of the compositions through reduced yellowness, and improving the UV-blocking properties of the compositions. Processes for making such compositions are also disclosed. The titanium nitride particles may be incorporated in the polyester by melt compounding, or may be added at any stage of the polymerization, such as during the melt-phase of the polymerization. A range of particle sizes may be used, as well as a range of particle size distributions. The polyester compositions are suitable for use in packaging made from processes in which a reheat step is desirable, or decreased yellowness is desired, or increased resistance to the effects of ultraviolet light is desired, or any combination of the foregoing.

Process Of Making A Container From Polyester Polymer Particles Having A Small Surface To Center Intrinsic-Viscosity Gradient

View page
US Patent:
7459113, Dec 2, 2008
Filed:
Mar 8, 2004
Appl. No.:
10/795783
Inventors:
Frederick Leslie Colhoun - Kingsport TN, US
Michael Paul Ekart - Kingsport TN, US
Mary Therese Jernigan - Kingsport TN, US
Stephen Weinhold - Kingsport TN, US
Assignee:
Eastman Chemical Company - Kingsport TN
International Classification:
B28B 3/20
B29C 47/00
B29C 47/78
B29C 49/02
US Classification:
2641761, 2642091, 2642101, 264292, 264319
Abstract:
There is now provided a polyester polymer particle having an It. V. , a surface, and a center, wherein the It. V. at the surface of the particle is less than 0. 25 dL/g higher than the It. V. at the center of the particle. The polyester polymer particle is desirably crystalline to prevent the particles from sticking to each other while drying, and desirably contains less than 10 ppm acetaldehyde. A polyester container, preferably a preform or beverage bottle, is made by feeding crystallized polyester particles having an It. V. of at least 0. 70 dL/g to an extrusion zone, melting the particles in the extrusion zone to form a molten polyester polymer composition, and forming a sheet or a molded part from extruded molten polyester polymer, wherein at least a portion of the polyester particles have an It. V. at their surface which does not vary from their It. V. at their center by more than 0.

Method For Incorporating Nitrogen Containing Methine Light Absorbers In Pet And Compositions Thereof

View page
US Patent:
7528219, May 5, 2009
Filed:
Sep 21, 2007
Appl. No.:
11/859208
Inventors:
Max Allen Weaver - Kingsport TN, US
Jason Clay Pearson - Kingsport TN, US
Dale Milton Blakely - Kingsport TN, US
Frederick Leslie Colhoun - Kingsport TN, US
Assignee:
Eastman Chemical Company - Kingsport TN
International Classification:
C08G 64/00
C08G 63/02
US Classification:
528272, 502150, 524706, 524783, 524784, 524785, 528275, 528279, 528280, 528281, 528283, 528285, 528286, 528289, 528290, 528291, 528298, 528300, 528302, 528307, 528308, 5283088
Abstract:
The present invention is a method for efficiently incorporating a nitrogen containing methine light absorber into a polyester resin. The method includes forming a reaction mixture comprising combining a diol component, a diacid component selected from the group consisting of dicarboxylic acids, dicarboxylic acid derivatives, and mixtures thereof, an antimony containing compound, a phosphorus containing compound, a metal containing compound, and a nitrogen containing methine light absorber. The reaction mixture is polymerized in a polycondensation reaction system. In another embodiment the light absorber is added while the reaction products of one reactor are being transferred to the next reactor in the polycondensation reaction system. The present invention is also directed articles made from the polyester resin.

Late Addition To Effect Compositional Modifications In Condensation Polymers

View page
US Patent:
7838596, Nov 23, 2010
Filed:
Aug 8, 2006
Appl. No.:
11/500800
Inventors:
Frederick Leslie Colhoun - Kingsport TN, US
Kenrick Lyle Venett - Blountville TN, US
Bruce Roger DeBruin - Lexington SC, US
Assignee:
Eastman Chemical Company - Kingsport TN
International Classification:
C08F 297/04
US Classification:
525 54, 525425, 525437, 525439, 525444, 525448, 528302, 528307, 5283081, 5283082, 5283083
Abstract:
A process for preparing modified polymer by withdrawing a slip stream of polymer melt from the discharge line of a continuous polymerization reactor, admixing in a highly modified polymeric additive into the polymer melt within the slip stream, then introducing the modifier containing slip stream late in the manufacturing process prior to the slip stream withdrawal point. The improved processes of the invention have particular utility for large-scale, continuous reactor where transitions and short production runs are economically prohibitive thereby limiting the product breath. The process is particularly suited for producing a family of copolyesters using a continuous melt phase production process.

Removal Of Residual Acetaldehyde From Polyester Polymer Particles

View page
US Patent:
7863405, Jan 4, 2011
Filed:
Dec 21, 2004
Appl. No.:
11/018358
Inventors:
Rodney Scott Armentrout - Kingsport TN, US
Frederick Leslie Colhoun - Kingsport TN, US
Michael Paul Ekart - Kingsport TN, US
Bruce Roger DeBruin - Lexington SC, US
Assignee:
Eastman Chemical Company - Kingsport TN
International Classification:
C08G 63/02
US Classification:
528272, 528298, 528300, 528302, 528308, 5283088, 528491, 528492, 528503
Abstract:
In one embodiment, there is provided a process comprising introducing polyester polymer particles containing residual acetaldehyde into a vessel at a temperature within a range of 130 C. to 195 C. to form a bed of particles within the vessel, flowing a gas through at least a portion of the particle bed, and withdrawing finished particles from the vessel having a reduced amount of residual acetaldehyde. In this process, it is not necessary to introduce a hot flow of gas at high flow rates otherwise required to heat up cool particles to a temperature sufficient to strip acetaldehyde. Rather, this process provides a benefit in that, if desired, gas introduced into the vessel at low flow rates and low temperatures can nevertheless effectively strip acetaldehyde in a reasonable time because the hot particles quickly heat a the gas to the particle temperature.

Low Melting Polyester Polymers

View page
US Patent:
7935399, May 3, 2011
Filed:
Dec 21, 2004
Appl. No.:
11/018119
Inventors:
Michael Paul Ekart - Kingsport TN, US
Frederick Leslie Colhoun - Kingsport TN, US
Mary Therese Jernigan - Kingsport TN, US
Stephen Weinhold - Kingsport TN, US
Rodney Scott Armentrout - Kingsport TN, US
Assignee:
Grupo Petrotemex, S.A. de C.V. - Nuevo Leon
International Classification:
B32B 1/02
B32B 1/08
US Classification:
428 341, 428 342, 428 357, 428 359, 428 369
Abstract:
A bulk of polyester polymer particles comprising polyester polymer comprising greater than 75% virgin polyester polymer, the particles having:The particles may also have a degree of crystallinity within a range of 20% and a maximum degree of crystallinity Tdefined by the equation:=50%−where CA is the total mole % of all carboxylic acid residues other than terephthalic acid residues, based on 100 mole % of carboxylic acid residues, and OH is the total mole % of all hydroxyl functional compound residues other than ethylene glycol residues, based on 100 mole % of hydroxyl functional compounds residues. The preforms and bottles made from these particles can be obtained by melt processing these particles at either lower overall power, faster screw speeds, lower residence time, or lower overall cycle time to thereby reduce the level of residual acetaldehyde generated in the melt.

Late Addition To Effect Compositional Modifications In Condensation Polymers

View page
US Patent:
7960472, Jun 14, 2011
Filed:
Oct 21, 2010
Appl. No.:
12/909086
Inventors:
Frederick Leslie Colhoun - Kingsport TN, US
Kenrick Lyle Venett - Blountville TN, US
Bruce Roger DeBruin - Lexington SC, US
Assignee:
Eastman Chemical Company - Kingsport TN
International Classification:
C08F 297/04
US Classification:
525 54, 525425, 525437, 525439, 525444, 525448, 528302, 528307, 5283081, 5283082, 5283083
Abstract:
A process for preparing modified polymer by withdrawing a slip stream of polymer melt from the discharge line of a continuous polymerization reactor, admixing in a highly modified polymeric additive into the polymer melt within the slip stream, then introducing the modifier containing slip stream late in the manufacturing process prior to the slip stream withdrawal point. The improved processes of the invention have particular utility for large-scale, continuous reactor where transitions and short production runs are economically prohibitive thereby limiting the product breath. The process is particularly suited for producing a family of copolyesters using a continuous melt phase production process.

Spheroidal Polyester Polymer Particles

View page
US Patent:
8022168, Sep 20, 2011
Filed:
Jun 16, 2006
Appl. No.:
11/454271
Inventors:
Stephen Weinhold - Kingsport TN, US
Frederick Leslie Colhoun - Kingsport TN, US
Michael Paul Ekart - Kingsport TN, US
Benjamin Bradford Gamble - Kingsport TN, US
Assignee:
Grupo Petrotexmex, S.A. de C.V. - San Pedro Garza Garcia
International Classification:
B29B 9/06
B29B 9/16
US Classification:
528272, 528302, 528308, 5283086, 528481, 528503, 428 352, 428 358
Abstract:
Spheroidal polyester polymer particles, as well as preforms and stretch blow molded bottles made from the spheroidal particles, are provided which have:.
Control profile
Frederick L Colhoun from Kingsport, TN, age ~53 Get Report