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Class 428/530 - Paper


Subclass of Class 428 - Stock material or miscellaneous articles
Definition: Product in which the cellulosic material is paper.
No. of patents: 260
Last issue date: 02/26/2008


1              
NumberTitleIssue Date
7335620Photocatalytic powder, photocatalytic slurry, and polymer composition, coating agent, photocatalytic functional molded article and photocatalytic functional structure using the powder
An object of the present invention is to provide a photocatalytic powder containing titanium dioxide fine particles containing an anionically active substance, where the electrokinetic potential of the fine particle is from about −100 to 0 mV in an aqueous environ...
02/26/2008
7276231Lower-energy process for preparing passivated inorganic nanoparticles
The disclosure is directed to a method for reducing the chemical activity and photo activity of titanium dioxide nanoparticles comprising adding an amorphous alumina-stabilizing agent, specifically an anion, such as citric acid, to an aqueous slurry of the titanium ...
10/02/2007
7165373Drywall finishing system
A non-slip, nocoat drywall finishing system for finishing inside and outside corners of any angle, the finishing system being a pre-formed, continuously extruded trim piece comprising a semi-rigid member that can be relatively thick in the center and tapers laterall...
01/23/2007
7163579Method of making water resistant corrugated boards
A method of using a water-based boron-containing suspension as a source of boron additive is disclosed. The method includes adding the suspension into a mixing or reaction zone during the preparation of starch-based adhesives. The suspension includes a boron compoun...
01/16/2007
7135206Coated titanium dioxide particles
A method for producing nanoscale titanium dioxide particles which are coated with an oxide, a hydroxide or an oxide hydroxide of Al, Ce, Zr and/or Si wherein the enzymatic precipitant system urease/urea is used. Said coated titanium dioxide particles can have an ave...
11/14/2006
7005035Packaging device and method for absorbing moisture
A packaging device and method for absorbing and reducing moisture as well as a manufacturing process for such device. The packaging device is a container made from paperboard such as containerboards or linerboards with a corrugated medium. The paperboard is insulate...
02/28/2006
6939386Filter medium for air filter and method for its production
A filter medium for an air filter, characterized in that it comprises a filter material having a glass fiber as its primary component and an alkyl ketene dimer adhered to the surface of the glass fiber; and a method for producing the filter medium which comprises a ...
09/06/2005
6797397Lamination structure with a starch to plastic bond
A lamination structure comprises a first layer bonded to a second layer. The first layer is bonded to the second layer by a destruct bond with a starch adhesive. The first layer may be a flat layer or a fluted layer and the second layer may be a flat or fluted layer...
09/28/2004
6773799Process for the manufacturing of a decorative laminate, a decorative laminate obtained by the process and use thereof
A process for manufacturing a decorative mainly isometric thermosetting laminate (1) comprising an isometric core (2), a primary surface layer (10) and optionally a secondary surface layer (20). 85 parts by weight of preferably organic pa...
08/10/2004
6703140Sandwich type board
Sandwich type board, for application in the construction field, of the type comprised of side and counterside, which has the following successive layers, from the center to the outside: a cellulose core impregnated in phenolic resin, a cellulose film impr...
03/09/2004
6692800Method of reducing migration of aldehyde compounds in packaging
A method for reducing the migration of aldehyde compounds present in packaging material the interior of a package formed by said packaging material, said method comprising: (a) selecting an initial packaging sheet stock used for forming a package having a...
02/17/2004
6689451Pre-finished and durable building material
This invention relates generally to a pre-finished, moisture resistant and durable building material that is able to diffuse stress caused by variations in temperature and climate. One preferred embodiment of the building material includes a fiber cement ...
02/10/2004
6641629Abrasion resistant coatings
A coating composition for forming abrasion-resistant, high clarity coatings is described. It has been found that a macrocrystalline or single crystal mineral abrasive can be added at high levels, about 5 to about 80 percent by weight, to art-recognized fi...
11/04/2003
6641926Liquid resistant laminate with strong backer
A laminate panel having desired characteristics even though the materials having these desired characteristics are not compatible in at least one aspect is disclosed. One of the substances having the desired characteristics may be adapted to be compatible...
11/04/2003
6541099Creping adhesive and products and process incorporating same
The present invention is generally directed to base webs that are creped after a bonding material has been applied to at least one side of the web according to a predetermined pattern. According to the present invention, the bonding material contains a cr...
04/01/2003
6503638Impregnation of a lignocellulosic material
A composition for impregnation of a lignocellulosic material such as wood or wood particles, comprises a high boiling point tar acid or a pitch derived from coal; a solvent for the tar acid or pitch selected from a low carbon alcohol, an aceotrope of a lo...
01/07/2003
6489039Recyclable image-recording medium, method for manufacturing the same, and method for removing printed material from the image-recording medium
The present invention related to a recyclable image-recording medium comprising a base layer, an intermediate layer and a water-swelling surface layer; a manufacturing method of the recyclable image-recording medium; and a printed material-removing method...
12/03/2002
6461743Smooth-sided integral composite engineered panels and methods for producing same
A method is provided for forming a durable, smooth-sided, multi-layer integral, composite engineered panel. The method typically is directed to first forming a mat comprising a plurality of layers of lignocellulosic strands or wafers. The plurality of lay...
10/08/2002
6436159Abrasion resistant coatings
A coating composition for forming abrasion-resistant, high clarity coatings is described. It has been found that a macrocrystalline or single crystal mineral abrasive can be added at high levels, about 5 to about 80 percent by weight, to art-recognized fi...
08/20/2002
6375788Method of coating melamine resin on laminating paper
Decorative paper with a wear resistant decorative layer is made by limiting the flow of melamine resin through the decorative paper. A partially cured melamine resin impregnated overlay is placed over non-impregnated decorative paper and cured at temperat...
04/23/2002
6365667Synthetic polymers having hydrogen bonding capability and containing aliphatic hydrocarbon moieties
Synthetic polymers having hydrogen bonding capability and one or more aliphatic hydrocarbon moieties are capable of providing two distinct properties to paper products, such as tissues, which properties heretofore have been imparted through the use of at ...
04/02/2002
6261682Abrasive articles including an antiloading composition
An abrasive article comprising a backing, a plurality of abrasive particles, a binder which adheres the abrasive particles to the backing, and a peripheral coat including an antiloading component is provided. The antiloading component is of the formula (C...
07/17/2001
6096440Recording medium
A recording medium has an ink-receiving layer. The layer comprises a hydrophilic resin, and a block copolymer of polyvinyl alcohol and a hydrophobic polymer. The ratio by weight of the hydrophilic resin to the block copolymer is in a range of from 100:1 t...
08/01/2000
6077614Modified melamine resins and their use for producing postformable laminates
Modified melamine-formaldehyde resins are made of a condensate of formaldehyde, urea, melamine and modifying agents which contains: (a) a combination of 5 to 25 wt %, with respect to melamine, of dicyanodiamide and 8 to 30 wt %, with respect to melamine, ...
06/20/2000
6054223Ink-jet recording sheet
An ink-jet recording sheet is disclosed, comprising a support having on at least one side thereof an ink receiving layer, wherein the ink receiving layer comprises a gelatin having an isoelectric point of 5.5 to 9.6 and a water-soluble cationic polymer....
04/25/2000
6001925Melamine-formaldehyde resins modified with dicyandiamide and sorbitol for impregnation of substrates for post-formable decorative laminates
Modified melamine-formaldehyde resins prepared by reacting melamine with formaldehyde at a F:M molar ratio in the range of about 1.55:1-2.5:1 under alkaline conditions, wherein the resin is prepared in the presence of about 1-10 wt % dicyandiamide and abo...
12/14/1999
6001490Single-sided impregnated printing paper carriers
A thin film with improved surface properties in terms of its ability to be lacquered, printed and laminated made of non-beater sized paper contains a pigment coating on the printing or lacquering side and is impregnated with impregnating resins starting f...
12/14/1999
5989668Waterproof laminate panel
A waterproof laminate panel is disclosed. The panel includes a decorative layer and a backing layer. The backing layer is composed of at least one resin impregnated layer bound to a waterproofing layer which substantially prevents the penetration and rele...
11/23/1999
5985457Structural panel with kraft paper core between metal skins
A structural panel comprises a metal and paper composite in which the metal outer skins have a minimum thickness of 0.005 in. exceeding foils and a maximum thickness of 0.012 in. while the paper core ranges between 0.01 in. and 0.05 in. The panel is a sti...
11/16/1999
5955203Resin-coated overlays for solid substrates
There is disclosed a resin-coated overlay for bonding to solid substrates, and which imparts improved waterproofing and chemical resistance to the resulting resin-coated overlaid solid substrate. Depending upon the desired end use of resin-coated overlaid...
09/21/1999
5928777High pressure laminates made with paper containing cellulose acetate
A high pressure laminate is made of several layers of paper, including from bottom to top core sheets, a decor sheet and an overlay sheet. The core sheets are either composed of cellulose fibers or composed of 30 to 90 weight percent cellulose acetate fib...
07/27/1999
5879792Stencil printing sheet and process for stencil making the same
A stencil printing paper and a process for perforating and engraving the same having the advantages in that the production of the stencil printing paper is easy, the resulting production cost can be thereby reduced and there is no generation of any proble...
03/09/1999
5853901Lightweight decorative paper products for pressure laminates and method for forming the same
A lightweight paper face sheet for laminated decorative paper products, wherein the face sheet has a ream weight of about 25 lbs (about 41 gsm) or less and is formed from a face furnish substantially free of dye, pigments and rutile titanium. The paper fa...
12/29/1998
5837376Postforming decorative laminates
Improvements in the construction of postformable laminates are disclosed by the provision of a single high basis weight sheet exhibiting improved saturation and resin pick up characteristics and formed predominantly of hardwood pulp which pulp has been me...
11/17/1998
5766752High pressure laminates made with paper containing cellulose acetate
A high pressure laminate is made of several layers of paper, including from bottom to top core sheets, a decor sheet and an overlay sheet. The core sheets are either composed of cellulose fibers or composed of 30 to 90 weight percent cellulose acetate fib...
06/16/1998
5733823Prepreg for printed circuit board and substrate for printed circuit using said prepreg
There are provided a prepreg for a printed circuit board which comprises a glass cloth impregnated with a flame retardative resin composition comprising a (A) resin composed of a (a) styrenic polymer having syndiotactic configuration, a (b) polymer having...
03/31/1998
5728477Laminated bathtub wall and method of manufacturing a laminated bathtub wall
A unitary laminated bathtub wall covering having a back panel and at least one side panel comprises a formable core, such as phenolic resin impregnated layers of kraft paper, laminated between front and back layers of finishing resin such as melamine. The...
03/17/1998
5716168Method of drilling holes in printed circuit boards with backup board material
A back-up board for use in drilling holes in printed circuit boards is disclosed. The inventive back-up board comprises outer layers of paper impregnated with a high-density resin, and a core consisting of alternating layers of paper impregnated with low-...
02/10/1998
5714269Film composite
A film suitable for continuous application to particle boards in the making of laminated particle board is disclosed, which film is stem penetrable and impregnated with semi-cured impregnating resins and provided with a partially cured layer of glue on on...
02/03/1998
5691039Toner fixing method and receiving sheet
A dry toner image is fixed to a thermoplastic layer on a receiving sheet by pressing a ferrotyping web against the image in the presence of sufficient heat to soften the layer. A curl preventing layer opposite the thermoplastic layer does not offset on a ...
11/25/1997
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