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US Patent 10995174 Production of polyurethane systems

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Is a

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Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

Patent Inventor Names

Annegret Terheiden0

Eva Emmrich-Smolczyk0

Kai-Oliver Feldmann0

Mladen Vidakovic0

Date of Patent

May 4, 2021

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Patent Application Number

161276630

Date Filed

September 11, 2018

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Patent Citations Received

US Patent 11905376 SiOC-bonded, linear polydimethylsiloxane-polyoxyalkylene block copolymers

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US Patent 11932747 Use of long-chain citric acid esters in aqueous polyurethane dispersions

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US Patent 11332591 Production of PU foams

US Patent 11965064 Crosslinked polyether-siloxane block copolymers and their use for producing polyurethane foams

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US Patent 12129329 Production of polyurethane systems

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US Patent 12060451 Nitrogen-free and low-nitrogen crosslinking additives for cold-cure flexible slabstock foam having improved compression and aging properties

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Patent Primary Examiner

Melissa A Rioja

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Patent abstract

The invention provides a process for production of polyurethane systems by reacting at least one polyol component with at least one isocyanate component in the presence of one or more catalysts for the isocyanate-polyol and/or isocyanate-water reactions and/or the trimerization of isocyanate, wherein said reacting is carried out in the presence of carrier material and polyamine P.

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