Patent Assignment
Reel/Frame 058691/0337
Change of Name
Recorded: 2022-01-11
Pages: 29
Assignor
GRUPO PETROTEMEX, S.A. DE C.V.
Executed: 2021-06-16
Assignee
ALPEK POLYESTER, S.A. DE C.V.
SAN PEDRO GARZA GARCÍA,, NUEVO LEÓN, MEXICO
Covered Properties
(214)
Adsorber System to Replace Water Column in a Polyester Process
Low Cost Polyester Process Using a Pipe Reactor
Component Introduction into Manufacturing Process Through Recirculation
Two Stage Oxidation Process for the Production of Aromatic Dicarboxylic Acids
Crystallization Method for Production of Purified Aromatic Dicarboxylic Acids
Process for the Production of Purified Terephthalic Acid
Process for Production of a Carboxylic Acid/Diol Mixture Suitable for Use in Polyester Production
Amber Polyester Compositions and Container Articles Produced Therefrom
Polyester Compositions Containing Silicon Carbide
Process for Production of a Carboxylic Acid/Diol Mixture Suitable for Use in Polyester Production
Extraction Process for Removal of Impurities from Mother Liquor in the Synthesis of Carboxylic Acid
Extraction Process for Removal of Impurities from an Aqueous Mixture
Extraction Process for Removal of Impurities from Mother Liquor in the Synthesis of Carboxylic Acid
Polyester Process Using a Pipe Reactor
Polyester Process Using a Pipe Reactor
Polyester Process Using a Pipe Reactor
Compositions and Method for Improving Reheat Rate of Pet Using Activated Carbon
Process for Energy Recovery in Processes for the Preparation of Aromatic Carboxylic Acids
Method and Device for Predicting Temperature Profiles Throughout the Thickness of a Polymer Preform
Process for the Oxidative Purification of Terephthalic Acid
Process for the Oxidative Purification of Terephthalic Acid
Direct Coupling of Melt Polymerization and Solid State Processing for Pet
Gas-Liquid Impingement Separator Incorporated in a Piping Elbow
Thermal Crystallization of Polyester Pellets in Liquid
Process for Heating Pet Pellet Feed to a Solid Stating Process by Heat Exchange with Hot Solid Stated Pellets
Process for the Purification of a Crude Carboxylic Acid Slurry
Cooling of Pellets from Pet Solid Stating Reactor with Water
Liquid Phase Oxidation of P-Xylene to Terephthalic Acid in the Presence of a Catalyst System Containing Nickel, Manganese, and Bromine Atoms
In-Line Classifier for Powdered Products
Process for Production of a Carboxylic Acid/Diol Mixture Suitable for Use in Polyester Production
Steam Recompression in Carboxylic Acid Processes
Polyesters and Polyester Containers Having a Reduced Coefficient of Friction and Improved Clarity
Process for Production of a Polyester Product from Alkylene Oxide and Carboxylic Acid
Process of Making a Container from Polyester Polymer Particles Having a Small Surface to Center Intrinsic-Viscosity Gradient
High Iv Melt Phase Polyester Polymer Catalyzed with Antimony Containing Compounds
Polyester Process Using a Pipe Reactor
Nucleation Enhanced Polyester and Its Use in Melt-to-Mold Processing of Molded Articles
Method for Incorporating Nitrogen Containing Methine Light Absorbers in Pet and Compositions Thereof
Process for Removal of Impurities from Mother Liquor in the Synthesis of Carboxylic Acid Using Pressure Filtration
Polyester Process Using a Pipe Reactor
Extraction Process for Removal of Impurities from an Oxidizer Purge Stream in the Synthesis of Carboxylic Acid
Process for Removal of Impurities from an Oxidizer Purge Stream
Process for Removal of Impurities from an Oxidizer Purge Stream
Thermal Crystallization of a Molten Polyester Polymer in a Fluid
Polyester Polymer and Copolymer Compositions Containing Metallic Titanium Particles
Low Melting Polyester Polymers
Removal of Residual Acetaldehyde from Polyester Polymer Particles
Processes for Producing Aromatic Dicarboxylic Acids
Process for Production of a Carboxylic Acid/Diol Mixture Suitable for Use in Polyester Production
Process for Production of a Carboxylic Acid/Diol Mixture Suitable for Use in Polyester Production
Polyesters and Polyester Containers Having a Reduced Coefficient of Friction and Improved Clarity
Process for Separating and Drying Thermoplastic Particles Under High Pressure
Process for Removing Metal Species in the Presence of Hydrogen and a Porous Material and Polyester Polymer Containing Reduced Amounts of Metal Species
Hydrotreating Polyester Precursors
Patent:
7,067,615 →
Application:
11/151,085 →
Optimized Liquid-Phase Oxidation
Optimized Liquid-Phase Oxidation
Optimized Liquid-Phase Oxidation
Optimized Liquid-Phase Oxidation
Optimized Liquid-Phase Oxidation
Optimized Liquid-Phase Oxidation
Optimized Liquid-Phase Oxidation
Optimized Liquid-Phase Oxidation
High intrinsic viscosity melt phase polyester polymers with acceptable acetaldehyde generation rates
Optimized Liquid-Phase Oxidation
Optimized Liquid-Phase Oxidation
Optimized Liquid-Phase Oxidation
Optimized Liquid-Phase Oxidation
Optimized Liquid-Phase Oxidation
Optimized Liquid-Phase Oxidation
Optimized Liquid-Phase Oxidation
Optimized Liquid-Phase Oxidation
Optimized Liquid-Phase Oxidation
Optimized Liquid-Phase Oxidation
Optimized Liquid-Phase Oxidation
Gas-Liquid Impingement Separators
Optimized Production of Aromatic Dicarboxylic Acids
Process for Removal of Benzoic Acid from an Oxidizer Purge Stream
Process for Removal of Benzoic Acid from an Oxidizer Purge Stream
Polyester Polymer and Copolymer Compositions Containing Titanium Nitride Particles
Polyester Polymer and Copolymer Compositions Containing Particles of Titanium Nitride and Carbon-Coated Iron
Polyester Polymer and Copolymer Compositions Containing Carbon-Coated Iron Particles
Aluminum/alkaline or alkali/titanium containing polyesters having improved reheat, color and clarity
Method for Oxidizing a Slurry Composition in a Post Oxidation Zone in the Presence of Added Steam
PET polymer with improved properties
Process for the Oxidative Purification of Terephthalic Acid
High Iv Melt Phase Polyester Polymer Catalyzed with Antimony Containing Compounds
High Iv Melt Phase Polyester Polymer Catalyzed with Antimony Containing Compounds
Process to Enrich a Carboxylic Acid Composition
Process to Produce an Enriched Composition
Process to Produce an Enriched Composition Through the Use of a Catalyst Removal Zone and an Enrichment Zone
Process to Produce a Post Catalyst Removal Composition
Process to Produce an Enrichment Feed
Polycarboxylic Acid Production System Employing Oxidative Digestion with Reduced or Eliminated Upstream Liquor Exchange
Polycarboxylic Acid Production System Employing Enhanced Multistage Oxidative Digestion
Enriched Carboxylic Acid Composition
Polycarboxylic Acid Production System Employing Hot Liquor Removal Downstream of Oxidative Digestion
Oxidation System with Internal Secondary Reactor
Enriched Isophthalic Acid Composition
Oxidation System Employing Internal Structure for Enhanced Hydrodynamics
Enriched Terephthalic Acid Composition
Polycarboxylic Acid Production System Employing Enhanced Evaporative Concentration Downstream of Oxidative Digestion
Polycarboxylic Acid Production System with Enhanced Heating for Oxidative Digestion
Polycarboxylic Acid Production System Employing Cooled Mother Liquor from Oxidative Digestion as Feed to Impurity Purge System
Polycarboxylic Acid Production System with Enhanced Residence Time Distribution for Oxidative Digestion
Novel Gas-Liquid Separator Utilizing Turning Vanes to Capture Liquid Droplets as Well as Redirect the Gas Flow Around a Bend
Crystallizer Temperature Control via Solid Additive Control
Crystallizer Temperature Control via Jacketing/Insulation
Crystallizing Conveyor
Process for Energy Recovery and Water Removal in the Preparation of Aromatic Carboxylic Acids
Crystallizer Temperature Control via Fluid Control
Spheroidal Polyester Polymer Particles
Aluminum Containing Polyester Polymers Having Low Acetaldehyde Generation Rates
Non-Precipitating Alkali/Alkaline Earth Metal and Aluminum Solutions Made with Polyhydroxyl Ether Solvents
Late Addition to Effect Compositional Modifications in Condensation Polymers
Method for addition of additives into a polymer melt
Crystallized Pellet/Liquid Separator
Polyester Polymer and Copolymer Compositions Containing Metallic Titanium Particles
Polyester Process Using a Pipe Reactor
Polyester Process Using a Pipe Reactor
Non-Precipitating Alkali/Alkaline Earth Metal and Aluminum Compositions Made with Organic Hydroxyacids
Polyester Production System Employing Horizontally Elongated Esterification Vessel
Polyester Production System Employing Recirculation of Hot Alcohol to Esterification Zone
Versatile Oxidation Byproduct Purge Process
Versatile Oxidation Byproduct Purge Process
Method and Apparatus for Drying Carboxylic Acid
Method and Apparatus for Drying Carboxylic Acid
Polyester polymers with low acetaldehyde generation rates and high vinyl ends concentration
Process to Produce a Post Catalyst Removal Composition
Carboxylic Acid Production Process
Carboxylic Acid Production Process
Methods and Apparatus for Isolating Carboxylic Acid
Methods and apparatus for producing a low-moisture carboxylic acid wet cake
Non-precipitating alkali/alkaline earth metal and aluminum solutions made with diols having at least two primary hydroxyl groups
Multiple Feeds of Catalyst Metals to a Polyester Production Process
Polyester Production System Employing an Unagitated Esterification Reactor
Polyester Production System Employing Hot Paste to Esterification Zone
Sloped Tubular Reactor with Spaced Sequential Trays
Horizontal Trayed Reactor
Multi-Level Tubular Reactor with Vertically Spaced Segments
Multi-Level Tubular Reactor with Oppositely Extending Segments
Multi-Level Tubular Reactor with Dual Headers
Sloped Tubular Reactor with Divided Flow
Reactor System with Optimized Heating and Phase Separation
High Molecular Weight Polyester Polymers with Reduced Acetaldehyde
Polyester Blends Exhibiting Low Temperature Toughness
Polyester Process Using a Pipe Reactor
Versatile Oxidation Byproduct Purge Process
Versatile Oxidation Byproduct Purge Process
Versatile Oxidation Byproduct Purge Process
Versatile Oxidation Byproduct Purge Process
Process for Removal of Impurities from Mother Liquor in the Synthesis of Carboxylic Acid Using Pressure Filtration
Process to Produce an Enrichment Feed
Optimized Liquid-Phase Oxidation
Oxidation System with Sidedraw Secondary Reactor
Oxidation System with Internal Secondary Reactor
Method for Incorporating Nitrogen Containing Methine Light Absorbers in Pet and Compositions Thereof
Thermal Crystallization of a Molten Polyester Polymer in a Fluid
Process for Preparation of Polyesters Without Solid State Polymerization
System for Producing Low Impurity Polyester
Polyester Polymer and Copolymer Compositions Containing Titanium Nitride Particles
Process for Removing Metal Species in the Presence of Hydrogen and a Porous Material and Polyester Polymer Containing Reduced Amounts of Metal Species
Optimized Liquid-Phase Oxidation
Optimized Liquid-Phase Oxidation
Integrated Polyester Production Facility
Polyester Process Using a Pipe Reactor
Process to Produce an Enriched Composition
Optimized Liquid-Phase Oxidation
Production of Non-Solid-Stated Polyester Particles Having Solid-Stated Properties
Dryer Configuration for Production of Polyester Particles
Oxygen-Scavenging Polymer Blends Suitable for Use in Packaging
Screw Designs Having Improved Performance with Low Melting Pet Resins
Optimized Liquid-Phase Oxidation
Optimized Liquid-Phase Oxidation
Enriched Terephthalic Acid Composition
Enriched Terephthalic Acid Composition
Dicarboxylic Acid Production with Minimal Wastewater Generation
Dicarboxylic Acid Production with Self-Fuel Oxidative Destruction
Dicarboxylic Acid Production with Direct Fired Off-Gas Heating
Dicarboxylic Acid Production with Enhanced Energy Recovery
Steam Heated Polyester Production Process
Steam Heated Polyester Production Process
Integrated Steam Heating in Polyester Production Process
Integrated Steam Heating in Polyester Production Process
Crystallizer Temperature Control via Fluid Control
Oxidation System with Sidedraw Secondary Reactor
High Iv Melt Phase Polyester Polymer Catalyzed with Antimony Containing Compounds
Optimized Liquid-Phase Oxidation
Terephthalic Acid Purge Filtration Rate by Controlling % Water in Filter Feed Slurry
Terephthalic Acid Purge Filtration Rate by Controlling % Water in Filter Feed Slurry
Terephthalic Acid Purge Filtration Rate by Controlling % Water in Filter Feed Slurry
Methods and Apparatus for Enhanced Gas Distribution
Polyester Process Using a Pipe Reactor
Production of Non-Solid-Stated Polyester Particles Having Solid-Stated Properties
Oxidation System with Sidedraw Secondary Reactor
Oxidation System with Sidedraw Secondary Reactor
Reactor System with Optimized Heating and Phase Separation
Polyester Production System Employing an Unagitated Esterification Reactor
Optimized Liquid-Phase Oxidation
High Iv Melt Phase Polyester Polymer Catalyzed with Antimony Containing Compounds
Polyester Production System Employing Horizontally Elongated Esterification Vessel
Aluminum/Alkyline or Alkali/Titanium Containing Polyesters Having Improved Reheat, Color and Clarity
Production of Non-Solid-Stated Polyester Particles Having Solid-Stated Properties
Polyester Blends Exhibiting Low Temperature Toughness
Thermal Crystallization of a Molten Polyester Polymer in a Fluid
High Iv Melt Phase Polyester Polymer Catalyzed with Antimony Containing Compounds
High Molecular Weight Polyester Polymers with Reduced Acetaldehyde
Process for Removing Metal Species in the Presence of Hydrogen and a Porous Material and Polyester Polymer Containing Reduced Amounts of Metal Species
High Intrinsic Viscosity Melt Phase Polyester Polymers with Acceptable Acetaldehyde Generation Rates
Polyester Blends Exhibiting Low Temperature Toughness
Polyester Polymer Particles Having a Small Surface to Center Molecular Weight Gradient
Energy and Environmentally Integrated Method for Production of Aromatic Dicarboxylic Acids by Oxidation
Patent:
10,000,435 →
Application:
15/445,280 →
Optimized Liquid-Phase Oxidation
Pet Composition, Pet Preform, Refillable Pet Bottle and Methods for Making the Same
Pet Composition, Pet Preform, Refillable Pet Bottle and Methods for Making the Same
Related Assignments
(6)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 22, 2004
From: DEBRUIN, BRUCE ROGER; BONNER, RICHARD GILL
To: EASTMAN CHEMICAL COMPANY
Reel/Frame 014449/0561 →
Assignment of Assignor's Interest
Apr 5, 2004
From: DEBRUIN, BRUCE ROGER
To: EASTMAN CHEMICAL COMPANY
Reel/Frame 014489/0849 →
Assignment of Assignor's Interest
Jun 8, 2004
From: DEBRUIN, BRUCE ROGER; MARTIN, DANIEL LEE
To: EASTMAN CHEMICAL COMPANY
Reel/Frame 014704/0880 →
Assignment of Assignor's Interest
Aug 18, 2005
From: WONDERS, ALAN GEORGE; DE VREEDE, MARCEL; PARTIN, LEE REYNOLDS; STRASSER, WAYNE SCOTT
To: EASTMAN CHEMICAL COMPANY
Reel/Frame 016645/0837 →
Assignment of Assignor's Interest
Feb 1, 2011
From: EASTMAN CHEMICAL COMPANY
To: GRUPO PETROTEMEX, S.A. DE C.V.
Reel/Frame 025727/0271 →
Assignment of Assignor's Interest
Feb 1, 2011
From: EASTMAN CHEMICAL COMPANY
To: GRUPO PETROTEMEX, S.A. DE C.V.
Reel/Frame 025727/0820 →