US Patent 7951457 Low NMP aqueous polyurethane composition with reactive diluent
Patent 7951457 was granted and assigned to DSM (company) on May, 2011 by the United States Patent and Trademark Office.
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Patent abstract
An aqueous composition comprising a polyurethane dispersion with a sediment content ≦5%, wherein the polyurethane has an acid value in the range of from 25 to 65 mgKOH/g and comprises (i) 36 to 60 wt % of at least one aromatic polyisocyanate and where the polyurethane is prepared in the presence of (a) ≦5 wt % of 1-methyl-2-pyrrolidinone by weight of the polyurethane and (b) at least one reactive diluent.
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US Patent 07951457 Low NMP aqueous polyurethane composition with reactive diluent US Patent 7951457 Low NMP aqueous polyurethane composition with reactive diluent
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Patent Number
0795145700
Patent Number
795145700
Edits on 21 Mar, 2023
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Infobox
Is a
Current Assignee
0
Patent Jurisdiction
Patent Number
079514570
Date of Patent
May 31, 2011
0Patent Application Number
116303630
Date Filed
June 28, 2005
0Patent Primary Examiner
Edits on 23 Sep, 2022
Golden AI
Infobox
Is a
Current Assignee
0
Patent Jurisdiction
Patent Number
079514570
Date of Patent
May 31, 2011
0Patent Application Number
116303630
Date Filed
June 28, 2005
0Patent Primary Examiner
Edits on 7 Dec, 2021
Golden AI
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Infobox (+8 properties)
US Patent 07951457 Low NMP aqueous polyurethane composition with reactive diluent
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07951457
Date of patent
May 31, 2011
Patent application number
11630363
Date Filed
June 28, 2005
Patent primary examiner
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