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Covestro Deutschland Ag patents

Recent patent applications related to Covestro Deutschland Ag. Covestro Deutschland Ag is listed as an Agent/Assignee. Note: Covestro Deutschland Ag may have other listings under different names/spellings. We're not affiliated with Covestro Deutschland Ag, we're just tracking patents.

ARCHIVE: New 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "C" | Covestro Deutschland Ag-related inventors

Date Covestro Deutschland Ag patents (updated weekly) - BOOKMARK this page
05/25/17 new patent  Method for producing toluenediamine
05/18/17Mixing elements having an improved dispersing effect
05/18/17Process for preparation of di- and polyamines of the diphenylmethane series
05/18/17Method for producing polyether carbonate polyols
05/11/17Use of thermoplastic polyurethane powders
05/11/17Polyurethane composite material and process for preparing same
05/11/17Refractory article and production method thereof
05/04/17Polyisocyanates having thioallophanate structure
05/04/17Composition for producing transparent polythiourethane bodies
05/04/17Thioallophanate polyisocyanates containing silane groups
04/27/17Process for preparation of di- and polyamines of the diphenylmethane series
04/27/17Isocyanatosilanes with thiourethane structure
04/20/17Process for preparation of di- and polyamines of the diphenylmethane series
04/20/17Electrochemical process for the reduction of molecular oxygen
04/13/17Method for operating a gas-phase phosgenation plant
04/13/17Process for preparing isocyanates
04/06/17Process for operating a gas phase phosgenation plant
04/06/17Process for the production of polyoxymethylene block copolymers
04/06/17Method for the production of polyurethane foam
03/30/17Catalysts for the synthesis of oxazolidinone compounds
03/30/17Method for mounting oxygen-consuming electrodes in electrochemical cells and electrochemical cells
03/23/17Process for the production of chlorine using a cerium oxide catalyst in an adiabatic reaction cascade
03/23/17Method for the production of polyoxazolidinone polymer compounds
03/23/17Catalysts for the synthesis of oxazolidinone compounds
03/23/17Thermoplastic polyurethanes, production and use thereof
03/16/17Method for producing diaryl carbonates
03/16/17Method for producing diaryl carbonates
03/16/17Polyurethane composite elements and processes for producing the same
03/16/17Hydrolysis-stable polycarbonate-polyester compositions
03/09/17Production of aniline via anthraniliate
03/09/17Multi-layer structure having good uv protection and scratch protection
03/09/17Catalyst coating and process for production thereof
02/23/17Composite fibre components and the production thereof
02/16/17Polyurethane foams based on polyether carbonate polyols
02/16/17Aromatic glycol ethers as writing monomers in holographic photopolymer formulations
02/09/17Method of manufacture of press materials
02/09/17Polyurethane composite material and process of preparing same
02/02/17Composition containing aromatic nitriles for the production of transparent polythiourethane bodies
01/19/17Method for producing catalytically active powders from metallic silver or from mixtures of metallic silver with silver oxide for producing gas diffusion electrodes
01/12/17Polysiloxane-polycarbonate block cocondensates with improved rheological properties
01/12/17Viewing angle switchable back light unit
01/05/17Thermally conductive thermoplastic compositions featuring balanced processability
12/29/16Method for producing isocyanates
12/29/16Urea-free polyurethane dispersions
12/15/16Method for producing polyether ester carbonate polyols
12/01/16Autostereoscopic 3d display device using holographic optical elements
11/24/16Method for starting up and shutting down a phosgene generator
11/24/16Silane modified formamides
11/24/16Silane-modified formamides
11/17/16Polymer polyols comprising a polyether carbonate polyol as the base polyol
11/10/16Multilayer structure made of polycarbonate and polycarbonate blends with high optical quality and high scratch resistance and weathering resistance
11/10/16Uv-protective film for oleds
11/10/16Method for producing polycarbonate according to the phase interface method
11/03/16Use of urethane alcohols for preparing polyether carbonate polyols
11/03/16Holographic media with improved light sensitivity
10/27/16Method for producing formaldehyde-alkyl carbonate-copolymers
10/27/16Low-oiling coated polycarbonate films
10/20/16Reaction system for a low-monomer one-component polyurethane foam
10/13/16Reaction system for a low-monomer content single-component polyurethane foam ii
10/13/16Mixtures of polyether carbonate polyols and polyether polyols for producing polyurethane soft foams
09/29/16Glass-fibre reinforced polycarbonate composition
09/29/16Composite comprising a substrate and a photopolymer film
09/29/16Sealant composition, solar cell module sealant prepared by hardening the same, and producing solar cell module using the same
09/15/16Use of urethane alcohols for preparation of polyether polyols
09/15/16Method for producing polyether carbonate polyols
Patent Packs
09/15/16Polyurethane foam and process for producing same
09/08/16Method for producing flexible polyurethane foam materials
09/08/16Fiber composite material, use therefor, and the production thereof
09/08/16Aqueous polyurethaneurea dispersion containing free acid groups
09/01/16Polycarbonate compositions having improved adhesion to polyurethane layers
09/01/16Photopolymer formulation for production of holographic media comprising borates with low tg
08/25/16Preparation of siloxane-containing block copolycarbonates by means of reactive extrusion
08/25/16Method for producing diaminotoluene
08/25/16Process for preparing polysiloxane-polycarbonate block cocondensates
08/25/16Polysiloxane-polycarbonate block cocondensates
08/25/16Process for preparing polysiloxane-polycarbonate block cocondensates using a salt of a weak acid
08/25/16Polycarbonate compositions having improved adhesion to polyurethane layers
08/25/16Polycarbonate compositions having improved adhesion to polyurethane layers
08/25/16Battery module with escape region, battery pack, and electric vehicle
08/25/16Battery module having safety section, battery pack and electrical vehicle
Patent Packs
08/18/16Eo/po block copolymers useful as stabilizers for pur foams
08/18/16Uv-patternable hard-coating for transparent conductive film
08/11/16Branched polyether carbonate polyols and process for preparation thereof
07/28/16Novel plasticizers for nail varnish
07/28/16Method for producing a moulded part by structural foam moulding, moulded part of an expanded thermoplastic material and uses therefor
07/28/16Multilayer structural component, the production thereof and use thereof
07/28/16Dimensionally stable polycarbonate-polyalkylene terephthalate moulding compounds
07/28/16Formable hard coated pc/pmma coextruded films
07/28/16Fabrication of igzo oxide tft on high cte, low retardation polymer films for ldc-tft applications
07/21/16Method for producing polyether carbonate polyols
07/14/16Radical crosslinking of polyether carbonate polyols that have electron-poor and electron-rich double bonds
07/14/16Cross-linking of polyether carbonate polyols containing double-bonds, by adding mercapto-compounds
07/07/16Zinc cluster compounds and their use as catalysts in the reaction of amines with dialkyl carbonates
07/07/16Higher functional polyether carbonate polyols obtained using branching molecules
07/07/16Shaped parts made of reinforced polyurethane urea elastomers and use thereof
06/30/16Low viscosity polyether carbonate polyols having side chains
06/30/16Super directional light guide film and thin film type back light unit for flat panel display using the same
06/23/16Polyurethane foams and the use thereof
06/16/16Method for cleaning carbon nanotubes and carbon nanotube substrate and uses therefor
06/16/16Method for producing polyisocyanates and use of said polyisocyanates
06/09/16Process for obtaining organic isocyanates from distillation residues from isocyanate preparation
06/09/16Use of succinonitrile in the production of polyisocyanates comprising iminooxadiazinedione groups
06/09/16Method for producing an efficient catalyst for generating multi-walled carbon nanotubes, multi-walled carbon nanotubes and carbon nanotube
06/02/16Method for producing isocyanates
06/02/16Process for the preparation of urethanes
06/02/16Direction-independently impact-resistant 3-d molded parts
06/02/16Metallizable, scratch-resistant and solvent-resistant film
05/26/16Sandwich composite elements
05/26/16Method for producing polyisocyanates comprising iminooxadiazinedione groups and use of these
05/26/16Polyurethane prepreg and composite fiber element produced therefrom
Social Network Patent Pack
05/19/16Screw elements for multi-shaft screw-type machines
05/19/16Polyurethaneureas for wood coatings
05/19/16Lightfast polyurethane compositions
05/19/16Glare-free, microstructured, and specially coated film
05/19/16Method for preparing optical lenses
05/19/16Ultrathin light unit
05/12/16Polyol formulations containing fillers and polyurethanes produced therefrom
05/12/16Polyethercarbonate-polyoxymethylene block copolymers
04/28/16Elastic rigid foam having improved temperature stability
04/28/16Radiation-curable coating composition
Patent Packs
04/28/16Low-oiling, scratch-resistant, and solvent-resistant polycarbonate film
04/14/16Method for producing multi-walled carbon nanotubes, multi-walled carbon nanotubes and carbon nanotube powder
03/24/16Process for the preparation of nitrobenzene by adiabatic nitration
03/10/16Process for the preparation of di- and polyamines of the diphenylmethane series
03/10/16Process for the preparation of di- and polyamines from the diphenylmethane series
03/10/16Method for producing diamines and polyamines of the diphenylmethane series
02/18/16Process for preparing polyisocyanates and catalyst kit therefor
02/18/16Rigid polyurethane foams with high acoustic absorption

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This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. is not affiliated or associated with Covestro Deutschland Ag in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Covestro Deutschland Ag with additional patents listed. Browse our Agent directory for other possible listings. Page by