US Patent 7892398 Sizing of paper
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Patent abstract
The invention relates to an aqueous dispersion of cellulose-reactive sizing agent containing an acid anhydride, an anionic polyelectrolyte and a nitrogen-containing organic compound which is an amine or quaternary ammonium thereof having a molecular weight less than 180 and/or having one or more hydroxyl groups. The invention further relates to a process for the production of paper which comprises adding the aqueous dispersion of cellulose-reactive sizing agent to an aqueous cellulosic suspension.
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US Patent 07892398 Sizing of paper US Patent 7892398 Sizing of paper
Infobox
Patent Number
0789239800
Patent Number
789239800
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Official Website
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Infobox
Is a
Patent Jurisdiction
Patent Number
078923980
Date of Patent
February 22, 2011
0Patent Application Number
116381080
Date Filed
December 13, 2006
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
078923980
Date of Patent
February 22, 2011
0Patent Application Number
116381080
Date Filed
December 13, 2006
0Official Website
Patent Primary Examiner
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US Patent 07892398 Sizing of paper
Infobox
Is a
Patent jurisdiction
Patent number
07892398
Date of patent
February 22, 2011
Patent application number
11638108
Date Filed
December 13, 2006
Patent primary examiner
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