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US 11,767,640 B2Granted
Paper enhancing compositions, uses thereof and enhanced paper
AssigneeITI Technologies, Inc.
InventorsDavid H. Creasey, Samuel Horace McCall, IV
Life of this patent
Estimating the term…
Abstract
The present invention provides certain paper enhancing compositions, typically aqueous compositions, for use in the manufacture and coating of paper, and paper products. The paper enhancing compositions provide certain paper processing advantages and distinct final paper product characteristics. The present invention further provides carbonate enhancing composition useful for preparing enhanced carbonate compositions used in the paper manufacturing processes.
Claims18
A carbonate enhancing composition comprising:
- a solubility enhancing aqueous composition comprising an anionic component consisting essentially of sulfate ions, alone or in combination with bisulfate ions, having a concentration from about 8.00 moles per liter to about 13.00 moles per liter of the solubility enhancing aqueous composition volume;
- a cationic component consisting essentially of ammonium ions having a concentration from about 1.45 moles per liter to about 2.01 moles per liter of the solubility enhancing aqueous composition volume;
- and hydrogen ions in a concentration from about 17.38 mols per liter to about 21.68 moles per liter of the solubility enhancing aqueous composition volume;
- sodium hydroxide solution having a concentration of about 5% to about 7.5% volume/volume of the total aqueous phase volume of the carbonate enhancing composition;
- and
- a sulfate selected from the group consisting of copper sulfate, silver sulfate and combinations thereof having a concentration from about 20 percent to about 26 percent mass/volume of the total aqueous phase volume of the carbonate enhancing composition.
3 more elements
A carbonate enhancing composition consisting of:
- a solubility enhancing aqueous composition consisting of an anionic component consisting of sulfate ions, alone or in combination with bisulfate ions, having a concentration from about 8.00 moles per liter to about 13.00 moles per liter of the solubility enhancing aqueous composition volume;
- a cationic component consisting of ammonium ions having a concentration from about 1.45 moles per liter to about 2.01 moles per liter of the solubility enhancing aqueous composition volume;
- and hydrogen ions in a concentration from about 17.38 mols per liter to about 21.68 moles per liter of the solubility enhancing aqueous composition volume;
- sodium hydroxide solution having a concentration of about 5% to about 7.5% volume/volume of the total aqueous phase volume of the carbonate enhancing composition;
- and
- a sulfate selected from the group consisting of copper sulfate, silver sulfate and combinations thereof having a concentration from about 20 percent to about 26 percent mass/volume of the total aqueous phase volume of the carbonate enhancing composition.
3 more elements
A carbonate enhancing composition consisting of:
- a solubility enhancing aqueous composition consisting of an anionic component consisting of sulfate ions, alone or in combination with bisulfate ions, having a concentration from about 8.00 moles per liter to about 13.00 moles per liter of the solubility enhancing aqueous composition volume;
- a cationic component consisting of ammonium ions having a concentration from about 1.45 moles per liter to about 2.01 moles per liter of the solubility enhancing aqueous composition volume;
- and hydrogen ions in a concentration from about 17.38 mols per liter to about 21.68 moles per liter of the solubility enhancing aqueous composition volume;
- sodium hydroxide solution having a concentration of about 5% to about 7.5% volume/volume of the total aqueous phase volume of the carbonate enhancing composition;
- a sulfate selected from the group consisting of copper sulfate, silver sulfate and combinations thereof having a concentration from about 20 percent to about 26 percent mass/volume of the total aqueous phase volume of the carbonate enhancing composition;
- at least one surfactant selected from the group consisting of non-ionic surfactants and anionic surfactants having a concentration from about 0.05 percent to about 0.15 percent volume/volume of the total aqueous phase volume of the carbonate enhancing composition;
- and
- at least one base or at least one acid to adjust the final pH of the carbonate enhancing composition in the range from about pH 2.5 to about pH 3.5.
5 more elements
Dependencies are inferred from the claim text.