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Class 428/537.5 - Of paper


Subclass of Class 428 - Stock material or miscellaneous articles
Definition: Product in which the carbohydrate layer is paper.
No. of patents: 1060
Last issue date: 03/06/2012


                    27  
NumberTitleIssue Date
3972467Paper-board laminate
An improved paperboard laminate for containers for bulk packaging liquids, syrups and pastes, which includes a layer of a high strength polymer film and which also may include a layer of aluminum foil....
08/03/1976
3971680Electroconductive paper
This invention is directed to electroconductive paper and to the processes for preparing same which comprises a substrate containing an effective amount of an electroconductive water soluble, quaternary ammonium polymer. The polymer is prepared by reactin...
07/27/1976
3970629Composition for paper coating
A composition for paper coating which comprises a pigment and, as a pigment binder, a synthetic copolymer latex comprising about 24.5 to 50 parts by weight of at least one aliphatic conjugated diolefin, about 0.5 to 10 parts by weight of at least one ethy...
07/20/1976
3969283Recording material
A recording material is described, which comprises a support of paper or of synthetic polymer and an electroconductive layer on at least one side of the support. The surface resistance of this electroconductive layer is not more than 1011 ohms ...
07/13/1976
3968317Water-dispersible thermosettable cationic resins and paper sized therewith
Disclosed are novel water-insoluble, water-dispersible thermosettable cationic resins derived by reaction of a diallylamine polymer, a hydrophobizing compound such as a ketene dimer and an epihalohydrin such as epichlorohydrin. The thermosettable cationic...
07/06/1976
3968319Plastic pigments for paper coatings
Paper coatings exhibiting improved pick resistance at lower binder levels are provided by incorporating into a conventional binder a pigment comprising a copolymer of an ethylenically unsaturated hard monomer such as styrene and an ethylenically unsaturat...
07/06/1976
3965518Impregnated wiper
A disposable impregnated wiper for treatment of household surfaces such as furniture. The wiper comprises a cellulosic substrate having a bonding material impregnated into at least one surface in a fine pattern to form bonded web portions of greater stren...
06/29/1976
3959546Textured photographic base paper process and product
A polyolefin coated photographic base paper having a silk-like textured surface is prepared by extrusion coating the polyethylene on the photographic paper and, while the polyolefin is still plastic, forming the surface of the polyolefin on an engraved ch...
05/25/1976
3956571Method for making electrostatic recording sheet and resulting product
An electrostatic recording sheet is produced by coating the opposite surfaces of a paper sheet with an electroconductive coating composition including a cationic polymer electroconductive agent and a cationic sizing agent to form electroconductive layers ...
05/11/1976
3956539Imidazolines in preparing fibrous artificial sausage casings
This invention relates to an improvement in a process for preparing reinforced, artificial sausage casings wherein a tubular porous web is passed through a die, impregnated with a polymeric dope, and the polymer regenerated. The improvement resides in emp...
05/11/1976
3954906Ambipolar photoconductive composition
Ambipolar photoconductive composition comprising the product of the in situ polymerization of at least one cyclic compound of the formula: ##EQU1## wherein Ar is a polyaromatic nucleus selected from the group consisting of diradicals of naphthalene, ...
05/04/1976
3953169Paperboard impregnated with polyurethane resin
A paperboard impregnated with polyurethane resin having specific NCO content and average molecular weight at the rate of 0.05 to 5.0 weight percent relative to the paperboard has excellent mechanical properties such as compressive strength, tensile streng...
04/27/1976
3950594Dielectric coating composition
A dielectric coating for use on electroconductive papers consisting essentially of an interpolymer containing about 80 parts by weight of vinylidene chloride and at least about 1 part by weight of a vinyl acid, said interpolymer being obtained by polymeri...
04/13/1976
3940550Ultrafine natural calcium carbonates as coating pigments in coated papers
A coated paper comprising an ultrafine natural calcium carbonate as a pigment, which has an average statistical particle diameter of from 0.5 to 0.7 μm, a maximum diameter of from 3.0 to 4.0 μm, and a specific surface area of at least 12sq.m./g....
02/24/1976
3936578Method of rendering a substrate non-stick towards tacky substances by coating the substrate with an organosilicon composition
Sheets or films are rendered non-stick towards tacky substances by applying a coating composition containing specified quantities of (a) an ଱,ω-dihydroxydimethylpolysiloxane polymer, with a viscosity of at least 25,000 cPo at 25°C, containing at m...
02/03/1976
3936580Electrically conductive glasslike films on glass or ceramic surfaces from aluminum and plumbite-treated cellulosics
Electrically conductive glasslike films have been produced on the surface of various types of glass and porcelain by heating plumbite-treated cellulosics while one surface of the plumbite-treated cellulosic was in contact with glass or porcelain and the o...
02/03/1976
3936582Differential release coated articles
This invention relates to low release value polyorganosiloxane coatings comprising a mixture of (a) polyorganosiloxanes having silicon-bonded hydroxyl groups on the ends of the molecule, and (b) polymethylhydrogensiloxanes having an average of at least 3 ...
02/03/1976
3936581Hardenable compositions
Solventless paper treating compositions based on organopolysiloxanes comprising 80-99 pbw liquid hydroxy-ended diorganopolysiloxane, 1-20 pbw liquid organohydrogenpolysiloxane, up to 0.1 pbw (as platinum) of an organic sulphur complex of platinum and a se...
02/03/1976
3933503Carrier for transferring images
A carrier for transferring images comprising a paper treated with a release agent and coated with a binder emulsion, the binder being chiefly based on nitrile butadiene rubber obtained by copolymerization of butadiene and acrylonitrile....
01/20/1976
                    27  
 
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