Cyril Chevillard

US Patent:

6476172, Nov 5, 2002

Filed:

Jul 27, 2001

Appl. No.:

09/916476

Inventors:

Darek Wachowicz - Pasadena TX
Cyril Chevillard - Dickinson TX
Lisa K. Albe - Houston TX

Assignee:

Fina Technology, Inc. - Houston TX

International Classification:

C08F21006

US Classification:

5263481, 526250, 526339, 526345, 526347, 528502 B, 428364, 2642108, 2642905, 264291, 26433115

Abstract:

A fiber product drawn from an isotactic propylene copolymer of a C , C , C , C , C or C -olefin monomer produced in the presence of a metallocene catalyst characterized by a bridged chiral and stereorigid cyclopentadienyl or substituted cyclopentadienyl ligand structure of a transitional metal selected from group 4b, 5b, or 6b metals of the Periodic Table of Elements, the copolymer having a MFR less than 35, suitably about 30 or less. The copolymer is heated to a molten state and extruded to form a fiber preform. The preform is subjected to spinning at a spinning speed of at least 300 meters per minutes and subsequent drawing at a speed of up to about 1500 meters per minute to provide a draw ratio of at least 1. 5 up to 5:1 to produce a continuous fiber having high tenacity of about 3. 5 grams per denier and greater and good hand.

US Patent:

6770716, Aug 3, 2004

Filed:

Mar 4, 2003

Appl. No.:

10/379052

Inventors:

Jose M. Sosa - Deer Park TX
Cyril Chevillard - Dickinson TX

Assignee:

Fina Technology, Inc. - Houston TX

International Classification:

C08F27902

US Classification:

525316, 525245, 525263, 526135, 526228, 526230, 5262305, 526232, 5262323, 526346

Abstract:

It has been discovered that certain compounds serve as polymerization accelerators when employed together with peroxide initiators for the polymerization of vinylaromatic monomers. Suitable accelerators that increase the rate of decomposition of the peroxide initiator include, but are not necessarily limited to, hydroperoxides and/or metallic salts. Representative examples of suitable hydroperoxide accelerators include t-butyl hydroperoxide (TBH), cumyl hydroperoxide, and p-isopropyl cumyl hydroperoxide, whereas suitable metallic salt accelerators include cobalt naphthenate and cobalt acetoacetonate. Use of these accelerators when vinylaromatic monomers are polymerized in the presence of polybutadienes and peroxide initiators results in an increase in grafting as compared with similar copolymers made without the accelerator.

US Patent:

6972311, Dec 6, 2005

Filed:

May 27, 2003

Appl. No.:

10/445760

Inventors:

Cyril Chevillard - Dickinson TX, US
Jose M. Sosa - Deer Park TX, US
Aron Griffith - Humble TX, US
Jay Reimers - Houston TX, US

Assignee:

Fina Technology, Inc. - Houston TX

International Classification:

C08F012/02
C08F002/38
C08F279/02

US Classification:

526346, 526224, 5262305, 5262323, 526347, 525261, 525264, 525273, 525316, 521146, 521148

Abstract:

It has been discovered that improved polystyrene products may be obtained by polymerizing styrene in the presence of at least one multifunctional initiator, at least one chain transfer agent, and at least one cross-linking agent. The presence of the multifunctional initiator tends to cause more branched structures in the polystyrene. A mathematical model that helps optimize the levels of these additives for given molecular weights, melt flow indices (MFIs) and zero shear viscosities (η) has also been discovered.

US Patent:

7041733, May 9, 2006

Filed:

Oct 23, 2003

Appl. No.:

10/691827

Inventors:

Cyril Chevillard - Dickinson TX, US
Jose M. Sosa - Deer Park TX, US

Assignee:

Fina Technology, Inc. - Houston TX

International Classification:

C08F 279/02
C08F 4/38

US Classification:

525 69, 525263, 525265, 525241, 525316, 525245, 5253333, 526230, 5262305, 5262325, 526346

Abstract:

It has been discovered that certain compounds serve as particle size regulators when employed together with peroxide initiators for the polymerization of vinylaromatic monomers in the presence of diene polymers. Suitable compounds that can control particle size include, but are not necessarily limited to, cobalt naphthenate, zinc naphthenate, iron octoate, calcium octoate, zinc octoate, zinc neodecanoate, potassium octoate, copper naphthenate, calcium versalate, and the like. Use of these metal carboxylates when vinylaromatic monomers are polymerized in the presence of polybutadienes and peroxide initiators results in reduced polybutadiene particles. Grafting and morphology characteristics may also be improved.

US Patent:

7514516, Apr 7, 2009

Filed:

Aug 22, 2005

Appl. No.:

11/208909

Inventors:

Brad Stiles - Friendswood TX, US
Jose M. Sosa - Deer Park TX, US
Cyril Chevillard - Dickinson TX, US
Aron Griffith - League City TX, US
Jay L. Reimers - Houston TX, US

Assignee:

Fina Technology, Inc. - Houston TX

International Classification:

C08F 212/34
C08F 212/36
C08F 2/38
G01N 30/84

US Classification:

526346, 526224, 5262305, 5262323, 526336, 526347, 422 70, 436161

Abstract:

Disclosed are novel non-linear vinyl polymers comprised of a multifunctional peroxide, and a cross-linking agent and/or a chain transfer agent, and methods of making such polymers having: at least 0. 03 branches/1000 backbone carbons; linear portions with a molecular weight (Mw) of 350,000 or less; 0. 2 to 3. 0 branches/molecule; or, a Mz/Mw of from 1. 7 to 5. 7. Methods of quantifying branching are disclosed using a linear reference having 0. 0 to 0. 06 branches/1000 backbone carbons along with SEC techniques and measurements of molecular weight, molecular size, and concentration. Also discovered is a vinyl polymer resin comprised of from 0. 1 to 50 weight percent of non-linear polymers having at least 0. 06 branches/1000 backbone carbons, where branching is measured using a heat polymerized polystyrene having from 0. 0 to 0. 06 branches/1000 backbone carbons as a linear reference.

US Patent:

7683137, Mar 23, 2010

Filed:

Jul 5, 2005

Appl. No.:

11/174854

Inventors:

Vincent Henri Barre - Jacksonville FL, US
Tim J. Coffy - Houston TX, US
Cyril Chevillard - Dickinson TX, US

Assignee:

Fina Technology, Inc. - Houston TX

International Classification:

C08F 8/06
C08F 210/02

US Classification:

5253338, 5253337, 525388, 526352

Abstract:

Polyethylene modified by using radical initiators such as oxygen and peroxides sometimes has a yellow color which may be reduced or eliminated by incorporating additives such as polyethylene glycol, and/or neutralizing species such as alkali metal stearates, particularly calcium stearate, and zinc oxide.

US Patent:

7825196, Nov 2, 2010

Filed:

Sep 28, 2009

Appl. No.:

12/568357

Inventors:

Vincent Barre - Jacksonville FL, US
Tim Coffy - Houston TX, US
Cyril France Chevillard - Dickinson TX, US

Assignee:

Fina Technology, Inc. - Houston TX

International Classification:

C08F 8/06
C08F 210/02

US Classification:

5253338, 5253337, 525388, 526352

Abstract:

Polyethylene modified by using radical initiators such as oxygen and peroxides sometimes has a yellow color which may be reduced or eliminated by incorporating additives such as polyethylene glycol, and/or neutralizing species such as alkali metal stearates, particularly calcium stearate, and zinc oxide.

US Patent:

8026305, Sep 27, 2011

Filed:

Oct 1, 2008

Appl. No.:

12/243315

Inventors:

Michael McLeod - Kemah TX, US
John Ashbaugh - Houston TX, US
Cyril Chevillard - Dickinson TX, US
Gerhard Guenther - Kemah TX, US
Ruby L. Curtis - League City TX, US
Jay Nguyen - Pasadena TX, US
Juan Aguirre - League City TX, US
Raleigh McBride - Deer Park TX, US
Ben Hicks - Shoreacres TX, US

Assignee:

Fina Technology Inc - Houston TX

International Classification:

C08K 5/04
C08K 5/09
C08L 23/06

US Classification:

524396, 524388, 524394, 524436, 524570, 524585, 525240

Abstract:

Polymer articles and processes of forming the same are described herein. The processes generally include providing an ethylene based polymer, blending the ethylene based polymer with a modifier to form modified polyethylene and forming the modified polyethylene into a polymer article, wherein the polymer article exhibits a haze that is at least about 10% less than a polymer article prepared with a similarly modified polyethylene.