US Patent 7425516 Polyurethane urea solutions
Patent 7425516 was granted and assigned to Bayer MaterialScience on September, 2008 by the United States Patent and Trademark Office.
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Patent abstract
This invention relates to solutions of polyurethaneureas in γ-butyrolactone or mixtures of γ-butyrolactone with toxicologically acceptable organic solvents. A process for coating substrates using these polyurethaneurea solutions, and substrates coated by said process are also provided. The substrates coated according to the invention are preferably textile products or leather, but materials such as wood or concrete can also be coated according to the invention.
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US Patent 07425516 Polyurethane urea solutions US Patent 7425516 Polyurethane urea solutions
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Patent Number
0742551600
Patent Number
742551600
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Official Website
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
074255160
Date of Patent
September 16, 2008
0Patent Application Number
113568270
Date Filed
February 17, 2006
0Official Website
Patent Primary Examiner
Edits on 26 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
074255160
Date of Patent
September 16, 2008
0Patent Application Number
113568270
Date Filed
February 17, 2006
0Official Website
Patent Primary Examiner
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US Patent 07425516 Polyurethane urea solutions
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07425516
Date of patent
September 16, 2008
Patent application number
11356827
Date Filed
February 17, 2006
Patent primary examiner
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