Patent Assignment
Reel/Frame 038353/0325
Change of Name
Recorded: 2016-04-05
Pages: 55
Assignor
BAYER MATERIALSCIENCE AG
Executed: 2015-09-01
Assignee
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60, LEVERKUSEN, 51373, GERMANY
Covered Properties
(55)
Process for the Separation of High-Boiling Materials from the Reaction Mixture Generated During the Production of Diaminotoluene
Patent:
5,728,880 →
Application:
08/806,139 →
Improved Thermoplastic Moulding Compositions of the Abs Type
Patent:
5,883,190 →
Application:
08/975,568 →
Process for Preparing Aspartates
Aqueous Compositions Based on Polychloroprene
Polyaspartimides
Process for the Production of Dinitrotoluene
Patent:
7,041,858 →
Application:
11/054,012 →
Sol-Gel Coating from Water-Soluble Oxalamides
Moisture-Curing Prepolymers
Polyether Allophanates Stable Towards Discolouration
Polyurethane Powder Coating Compositions That Do Not Split Off Blocking Agents and Have a Low Stoving Temperature
Process for the Working-Up of Waste Waters Containing Aromatic Nitro Compounds
Process for the Production of Polycarbonate
Electrochemical Cell
Extraction of Phenol-Containing Effluent Streams
Apparatus and Process for the Production of Sandwich Composite Elements
Process for the Distillative Separation of Aqueous Amine Solutions
Inhibition of Catalytically Active Impurities in Polycarbonate by the Melt Transesterification Process
Process for the Preparation of Polyamines of the Diphenylmethane Series at a Low Degree of Protonation
Process for Preparing Polyisocyanates by the Adiabatic Phosgenation of Primary Amines
Stirring Device and Process for Carrying Out a Gas-Liquid Reaction
Composite Component
Process and Apparatus for the Production of Phosgene
Process for Preparing Polyisocyanates Containing Iminooxadiazinedione Groups
Polycarbonates with Good Wettability
Polycarbonates Having a Good Wettability
Process and Mold for Molding and Coating a Substrate
Process for the Preparation of Polycarbonates
Process for the Production of a Molded Article
Uretdione Formation in Solution
Polycarbonate Molding Compositions with Improved Hydrolysis Resistance
Aqueous Copolymer Dispersions with Reactive Diluent
Uv-Stabilized Polycarbonate Moldings
Low-Viscosity Oligocarbonate Polyols
Polycarbonate Molding Compositions
Process for the Production of Isocyanates
Process for the Production of Toluene Diisocyanate
Process for the Continuous Preparation of Isocyanates
Low Viscosity, Alkoxysilane-Functional Prepolymers and a Process for Their Preparation
Polyurethane Prepolymers Containing Alkoxysilane Groups and Allophanate and/or Biuret Groups
Two-Component Systems for Producing Flexible Coatings
Composite Component for a Vehicle Body, in Particular a Vehicle Roof, and Production Method for Said Component
Process for the Production of Stable Polymers
Aqeuous Dispersions
Process for the Production of Nitrobenzene
Aqueous Pu Dispersions with Improved Adhesion
Roof Module for a Motor Vehicle
Hydrophilic Surfaces for Reducing Friction Forces
Method for Producing a Polycarbonate Layered Composite
Securing of Documents by Means of Digital Watermark Information
Polymer Layer Composite for a Security and/or Valuable Document
Process for the Production of Sized and/or Wet-Strength Papers, Paperboards and Cardboards
Automobile Component Made of Plastic
High Molecular Weight, Random, Bisphenol Based Copoly(Phosphonate Carbonate)S
Process and Apparatus for the Electrolysis of an Aqueous Solution of Hydrogen Chloride or Alkali Chloride in an Electrolytic Cell
High Molecular Weight, Random, Bisphenol Based Copoly(Phosphonate Carbonate)S
Related Assignments
(3)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 1, 2006
From: BAYER AG
To: LANXESS DEUTSCHLAND GMBH
Reel/Frame 018584/0319 →
Assignment of Assignor's Interest
Mar 9, 2016
From: BAYER AG
To: BAYER MATERIALSCIENCE AG
Reel/Frame 038044/0799 →
Change of Name
Mar 22, 2016
From: BAYER MATERIALSCIENCE AG
To: COVESTRO DEUTSCHLAND AG
Reel/Frame 038399/0358 →