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Class Information
Number: 162/181.4
Name: Paper making and fiber liberation > Processes and products > Non-fiber additive > Inorganic > Metal oxide or hydroxide
Description: Subject matter comprising a binary compound of oxygen and a metallic element or a metallic element connected to an -OH group.










Sub-classes under this class:

Class Number Class Name Patents
162/181.5 Metal other than alkali metal, magnesium, or alkaline earth metal 117


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8683691 Disk roll and base material for disk roll Apr. 1, 2014
8673117 Degrading agent compositions for temporary wet strength systems in tissue products Mar. 18, 2014
8663427 Addition of endothermic fire retardants to provide near neutral pH pulp fiber webs Mar. 4, 2014
8647472 Method of increasing filler content in papermaking Feb. 11, 2014
8613835 Process for inkjet paper and paper produced thereby Dec. 24, 2013
8475629 Coating compositions comprising alkyl ketene dimers and alkyl succinic anhydrides for use in paper making Jul. 2, 2013
8460513 Addition of endothermic fire retardants to provide near neutral pH pulp fiber webs Jun. 11, 2013
8454797 Process for inkjet paper and paper produced thereby Jun. 4, 2013
8343312 Polymer-pigment hybrids for use in papermaking Jan. 1, 2013
8202397 Method of and an arrangement for proportioning thick stock to a short circulation of fiber web machine Jun. 19, 2012
8172983 Controllable filler prefloculation using a dual polymer system May. 8, 2012
8043476 Coated paper and paperboard Oct. 25, 2011
7905987 Paper sludge processing for animal bedding Mar. 15, 2011
7842162 Layer-by-layer nanocoating for paper fabrication Nov. 30, 2010
7776179 Fire-retardant, method for manufacturing fire-retardant cellulose-based Aug. 17, 2010
7641764 Non-woven fabric for gypsum board and process for producing the same Jan. 5, 2010
7541014 Pyrogenically produced silica Jun. 2, 2009
7534409 Pyrogenic silicon dioxide powder and dispersion thereof May. 19, 2009
7476272 Aluminum trihydrate containing slurries Jan. 13, 2009
7473333 Process for making coated paper or paperboard Jan. 6, 2009
7452445 Non-woody fiber mulching mat and production method thereof Nov. 18, 2008
7416639 Ink-jet recording method using dispersion of alumina hydrate Aug. 26, 2008
7377997 Fibrous structure comprising a fiber flexibilizing agent system May. 27, 2008
7364641 Manufacture of paper and paper board Apr. 29, 2008
7195695 Cross-linked cellulose fibers and method of making same Mar. 27, 2007
7179347 Method for fiber stock preparation Feb. 20, 2007
7175741 Reducing odor in absorbent products Feb. 13, 2007
7169258 Process and a fluffer device for treatment of a fiber stock suspension Jan. 30, 2007
7160419 Coated paper for printing Jan. 9, 2007
7150839 Fluorescent agents Dec. 19, 2006
7070677 Method and apparatus for treating pulp with filler Jul. 4, 2006
7060160 Process for producing a photocatalytic pulp composition and molded photocatalytic pulp Jun. 13, 2006
6991705 Process for stabilizing the PH of a pulp suspension and for producing paper from the stabilized pulp Jan. 31, 2006
6991677 Titanium dioxide-calcium carbonate composite particles Jan. 31, 2006
6890652 Decorative paper base with improved opacity May. 10, 2005
6887351 Process for regulating the porosity and printing properties of paper by use of colloidal precipitated calcium carbonate, and paper containing such colloidal precipitated calcium carbonate May. 3, 2005
6881298 Process for loading fibers with calcium carbonate in a plurality of reactors Apr. 19, 2005
6855404 Inorganic sheet laminate Feb. 15, 2005
6811653 Multi-purpose paper, manufacturing method thereof and the application thereof Nov. 2, 2004
6783631 Decorative paper with a high opacity Aug. 31, 2004
6770170 Papermaking pulp including retention system Aug. 3, 2004
6740202 Speaker diaphragm and method of manufacturing same May. 25, 2004
6722373 Cigarette sidestream smoke treatment material Apr. 20, 2004
6716314 Method for making improved abrasion resistant overlays Apr. 6, 2004
6716495 Ink-jet recording apparatus and recording medium Apr. 6, 2004
6712933 Papermaking pulp and flocculant comprising acidic acqueous alumina sol Mar. 30, 2004
6706340 Recording medium, process for production thereof, and image-forming method employing the recording medium Mar. 16, 2004
6702922 Papers for use in decorative laminates and methods of making the same Mar. 9, 2004
6673207 Laminated photocatalytic pulp paper and process for making thereof Jan. 6, 2004
6610136 Pigments for ink jet paper Aug. 26, 2003

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