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US Patent 7671104 Fine cell, water-blown rigid polyurethane foams

Patent 7671104 was granted and assigned to Bayer MaterialScience on March, 2010 by the United States Patent and Trademark Office.

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Patent Citations Received
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US Patent 12122890 Production of polyurethane foam
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Patent Citations Received
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US Patent 12082704 Compression set
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Patent abstract

The invention relates to a process for the production of water-blown, finely cellular rigid foams containing urethane groups and/or isocyanurate groups by the reaction of polyisocyanates with a polyol component in the form of an emulsion. The invention also relates to open-cell polyurethane foams which are foamable in the mould.

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Patent Inventor Names
Torsten Heinemann0
Walter Klän0
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=07671104
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US Patent 07671104 Fine cell, water-blown rigid polyurethane foams US Patent 7671104 Fine cell, water-blown rigid polyurethane foams

Infobox
Patent Number
07671104
Patent Number
7671104
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Website URL
https://pdfpiw.uspto.gov/.piw?Docid=07671104
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 US Patent 07671104 Fine cell, water-blown rigid polyurethane foams

Infobox
Is a
Patent
Patent
Current assignee
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Bayer MaterialScience
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
07671104
Date of patent
March 2, 2010
Patent application number
10852867
Date Filed
May 25, 2004
Patent primary examiner
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John Cooney

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