A process for producing SiOC-bonded polyether siloxanes by transesterification of alkoxysiloxanes with polyetherols in the presence of zinc acetylacetonate as catalyst is described.

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Patent Inventor Names

Horst Dudzik0

Olga Fiedel0

Philippe Favresse0

Ute Hesse0

Wilfried Knott0

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Official Website

https://pdfpiw.uspto.gov/.piw?Docid=10414872

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Patent Citations Received

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US Patent 11591448 Physical reutilization of siliconized sheets

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US Patent 10787464 Zinc ketoiminate complexes as catalysts for the production of polyurethanes

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US Patent 11345783 Linear polydimethylsiloxane-polyoxyalkylene block copolymers of the structure type ABA

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US Patent 11377523 Process for producing non-cyclic alkoxy-functional polysiloxanes

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Patent Citations Received

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US Patent 11066429 Process for producing acetoxy-bearing siloxanes

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US Patent 11332591 Production of PU foams

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US Patent 11261298 Tailored SiOC-based polyethersiloxanes

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edited on 26 Mar, 2023

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Patent Citations Received

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US Patent 11498996 Process for producing polyoxyalkylene polysiloxane block polymers

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edited on 25 Mar, 2023

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Patent Citations Received

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US Patent 11286351 Process for producing acetoxy-bearing siloxanes

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edited on 24 Mar, 2023

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Patent Citations Received

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US Patent 10954344 SiOC-bonded, linear polydimethylsiloxane-polyoxyalkylene block copolymers

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edited on 1 Mar, 2023

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Patent Citations Received

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US Patent 11591448 Physical reutilization of siliconized sheets

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edited on 16 Nov, 2022

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Patent Citations Received

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US Patent 11498996 Process for producing polyoxyalkylene polysiloxane block polymers

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Golden AI

edited on 28 Oct, 2022

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Patent Citations Received

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US Patent 11472822 Process for purifying acetoxysiloxanes

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