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Class 162/157.5 - Hydrocarbon or halohydrocarbon


Subclass of Class 162 - Paper making and fiber liberation
Definition: Processes and products in which the fibers are carbon to
No. of patents: 78
Last issue date: 12/25/2007


1    
NumberTitleIssue Date
7311209Filter material
A filter material has one or more plies of fiber layers, in particular for the production of filter bags and filter cones for infused beverages, the at least one fiber layer containing fibers or microcapsules having phase change material. Paraffinic hydrocarbons can...
12/25/2007
7272915Shingle and mat tensile strength with urea formaldehyde resin modifier
A composite sheet, and a process of making the same, including cured modified urea formaldehyde reinforced by glass fibers. The modifier is an acrylonitrile-butadiene-styrene copolymer. A roofing shingle, formed by coating the composite sheet with filled asphalt, re...
09/25/2007
6942756Fluororesin fiber paper, copper-clad laminate for printed board using the same and production process thereof
The invention provides fluororesin fiber paper excellent in adhesion to a copper foil, heat resistance, chemical resistance, low water absorption and electric insulation and capable of being used as a substrate of a printed board suitable for use in high frequency, ...
09/13/2005
6767851Chopped strand non-woven mat production
A non-woven mat useful for a wide variety of purposes, including forming reinforced resin products, is produced in a manner having different specific uses of, and advantages over, conventional chopped strand mats and conventional glass tissue. The mat is preferably ...
07/27/2004
6737369Cured non-woven mat of a mixture of fibers
A coated fiber mat of improved tear strength upon dividing pieces of the coated mat and the coating is provided. The coated mat is a cured, non-woven mat including a mixture of fibers having different fiber lengths. The fibers contain a polysiloxane compound and are...
05/18/2004
6720388Polypropylene fibres
A polypropylene blend including from 0.5 to 50% by weight of a syndiotactic polypropylene having a multimodal molecular weight distribution and at least 50% by weight of an isotactic polypropylene. ...
04/13/2004
6706147Process for making fiber mats for materials of construction having improved tear strength
The invention relates to a coated fiber mat of improved tear strength upon dividing pieces of the coated mat and the coating which comprises a cured, non-woven, fiber glass mat containing a polysiloxane wherein the fibers are fixedly distributed in a formaldehyde ty...
03/16/2004
6352660Preparation of composite fibers and diaphragms
Composite fibers useful for preparing diaphragms are prepared by (a) mixing a PTFE or PTFE copolymer dispersion or powder with a finely divided inorganic material and a fiber forming material, (b) shear heating the resulting mixture to a temperature at which sheare...
03/05/2002
6338772Polyolefin synthetic pulp and use thereof
A polyolefin synthetic pulp comprising a polyolefin resin graft-modified with an unsaturated carboxylic acid or a derivative thereof, and/or a polyolefin resin composition which comprises an ethylene/଱,ଲ-unsaturated carboxylic acid copolymer a...
01/15/2002
6171443Recyclable polymeric synthetic paper and method for its manufacture
A high-opacity cellulose-free synthetic paper is formed from a wet-laid nonwoven web of thermoplastic fibers, all or most of which fibers are made of a predetermined polymeric material. The wet-laid web is dried to remove excess water, drying being carrie...
01/09/2001
6080471Non-woven fabric for alkali cell separator and process for producing the same
The present invention provides a non-woven fabric for an alkali cell separator capable of preventing active materials from transfer, and having distinguished electrolyte solution absorbability and retainability in spite of a small areal weight and also pr...
06/27/2000
5851355Reverse osmosis support substrate and method for its manufacture
A nonwoven composite web is formed by a wet process on a papermaking machine. The web coming off the papermaking machine is dried and thermally bonded using heated calendar rolls. The nonwoven composite material is made from a furnish of polymeric staple ...
12/22/1998
5650221High strength, low pressure drop sensible and latent heat exchange wheel
A sensible and latent heat exchange or adsorbent media formed from an improved desiccant or adsorbent paper having higher strength and thinner gauge to provide increased area of media, the media having a multiplicity of passageways therethrough through wh...
07/22/1997
5616384Recyclable polymeric label paper
An in-mold label material is a nonwoven mat of fibers having one side fused with the outer surface of a polymeric container and the other side coated with a pigment-containing latex suitable for printing thereon. The label paper is manufactured from comme...
04/01/1997
5436094Bulky synthetic pulp sheet useful as a separator for sealed lead batteries and process for preparing the same
A bulky synthetic pulp sheet which does not lose its shape even after having absorbed a liquid and has excellent resistance against to chemicals such as acids and alkalis, and a process for preparing the same, which pulp sheet contains 5 to 95% by weight ...
07/25/1995
5436074Polypropylene highly spread plexifilamentary fiber
A polypropylene three-dimensional plexifilamentary fiber having a microwave birefringence of 0.07 or more and an Mw/Mn of 4.3 or less. Although a spreading agent is not included in this fiber, the fiber has a superior fiber spreadability and dimensional s...
07/25/1995
5401576Heat- and chemical-resistant acrylic short fibers without spinning
A new, pulp-like, acrylic short fiber having excellent heat- and chemical-resistance is provided. The fiber has a thickness distribution of 0.1 μm to 50 μm, a length distribution of 1 mm to 20 mm, and a thermal transition temperature (Tg) of above 200°...
03/28/1995
5376729Grafted copolymers highly absorbent to aqueous electrolyte solutions
The present invention provides graft copolymers that are highly absorbent to aqueous electrolyte solutions. The graft copolymer is formed by the graft polymerizing an effective amount of each of the following components together to provide a highly absorb...
12/27/1994
5223139Filter material in the form of flexible leaves or sheets and a method of producing such material
A flexible fleece-like filter material is provided wherein in a matrix-like basic framework consisting of synthetic or natural fibres, ultra-finely fibrillated fibres and/or inert porous particles are incorporated as a filter medium, the filter medium for...
06/29/1993
5202183Alkali-resistant synthetic fiber
An alkali resistant synthetic fiber and a sheeting obtained therefrom are disclosed, the fiber being comprised of a polymer mixture consisting of (A) from 15 to 80% by weight of polysulphone, (B) from 20 to 85% by weight of polyvinyl chloride having a deg...
04/13/1993
5173154Heat sealable tea bag paper and process of producing same
The tea bag paper comprises a first phase of natural fibers in a weight percentage of from 60% to 85%, and a second phase of heat-sealable synthetic fibers with the remainder of the weight percentage of from 15% to 40%. The second phase penetrates the fir...
12/22/1992
5167765Wet laid bonded fibrous web containing bicomponent fibers including LLDPE
A thermally bonded fibrous wet laid web containing a bicomponent fiber including a polyester or polyamide fiber component and a component consisting of a linear low density polyethylene having a density in the range of 0.88 to 0.945 g/cc. A grafted HDPE c...
12/01/1992
5106457Hydroentangled nonwoven fabric containing synthetic fibers having a ribbon-shaped crenulated cross-section and method of producing the same
A hydroentangled nonwoven fabric containing ribbon shaped staple synthetic fibers having a crenulated cross-section and formed from a wet-laid web containing such crenulated fibers, preferably a blend thereof with short natural fibers, such as wood fibers...
04/21/1992
5051150Stabilized synthetic pulp-cellulose blends
A stabilized synthetic polyolefin pulp-cellulose blend is prepared by adding 0.1-1.0% by weight of an antioxidant (a hindered phenolic and/or phosphite antioxidant) to a solution of a polyolefin and solvent wherein the antioxidant is homogenously disperse...
09/24/1991
5047121High grade polyethylene paper
A process is disclosed for producing high grade synthetic paper containing at least 97 wt. % polyethylene on conventional continuous wet-lay paper-making equipment. In particular, the process comprises preparing a pulp furnish of 97-99.5 wt. % oriented po...
09/10/1991
5019212Method for producing gas-permeable parcelling film
The present invention provides a method of producing a gas-permeable parcelling film for use in a container for isolating a product to be preserved from a freshness keeping agent placed within the container. The parcelling film has a gas-permeable formed ...
05/28/1991
5000824Polyethylene pulp
An improved pulp of oriented polyethylene fibrids is provided. The pulps have fibrids which average no longer than 1.2 mm, have a drainage factor of at least 2.5 sec/g, are capable of forming wet-laid sheets of uniform opacity and preferably have an agglo...
03/19/1991
4853101Porous separator comprising inorganic/polymer composite fiber and method of making same
A dimensionally stable separator comprising inorganic/polymer composite fibers and a method of making same is disclosed. The separator can be employed as a diaphragm for use in electrolytic cells, such as for the production of chlorine and caustic. The me...
08/01/1989
4833011Synthetic pulp and absorbent comprising the same
A synthetic pulp comprising a pulp fiber of a thermoplastic resin and, adhering to the surface thereof, a polypropylene glycol having a molecular weight of 200 to 10,000, preferably together with a phenolic antioxidant and/or a phosphorous acid ester type...
05/23/1989
4783507Novel polyethylene synthetic pulp
Disclosed is a novel polyethylene synthetic pulp giving synthetic paper which may be heat-treated with a heating apparatus attached to a conventional papermaking machine. The polyethylene synthetic pulp comprises fibers of polyethylene which has an MFR (M...
11/08/1988
4716075Protected metal article and method of making
A culvert having a corrosion resistant composite coating and a method of producing the corrosion resistant composite coating. The coating method is for use in a conventional hot dip coating line of the type wherein a steel strip, having been appropriately...
12/29/1987
4613635Composition for preparing paperboard container for liquids
Disclosed is a composition useful for preparing paperboard containers comprising wood pulp, polyolefin pulp containing carboxylic functionality and a water-soluble cationic wet-strength resin. The paperboard is used for preparing containers for liquids su...
09/23/1986
4606805Electrolyte permeable diaphragm and method of making same
A method for making an electrolyte permeable diaphragm, and the diaphragm thus produced, wherein an aqueous slurry, containing as its principal particulate ingredient a water-wettable, insert, micron-size, inorganic material, along with both polyfluoroeth...
08/19/1986
4510185Process for the surface modification of synthetic fibers
A process for obtaining water-dispersable polyolefin fibers endowed with a high degree of cohesion consists in maintaining the fibers in contact with a stable emulsion formed by a water solution of polyvinyl alcohol and a poor solvent for the polyolefin, ...
04/09/1985
4496427Preparation of hydrophilic polyolefin fibers for use in papermaking
Water-dispersible, uniformly hydrophilic polyolefin fibers are prepared by treatment of an aqueous suspension of spurted polyolefin fibers with an aqueous solution of a water-soluble ionized reagent capable of being converted into hydrated solid particles...
01/29/1985
4460647Fibrets suitable for paper opacification
A process is disclosed for the preparation of highly pigmented fibrets, the product produced thereby and paper products containing the highly pigmented fibret. The fibret has a surface area of from 15 to 30 square meters per gram and comprises a polymeric...
07/17/1984
4431696Manufactured articles based on thermoplastic polymers reinforced with glass fibers
Polymeric articles filled with glass fibers are prepared by methods used in paper making, starting from aqueous dispersions of glass fibers with polyolefinic fibrils having a high surface area, by deposition in sheets, drying and pressure-molding, optiona...
02/14/1984
4423184Synthetic superabsorbent fibers
Hydrophilic, water retentive synthetic wood pulp fibers are provided which are capable of forming low density fluff. The fibers comprise polyolefins and polyvinyl alcohol wherein the polyvinyl alcohol has, grafted thereto, hydrophilic polymer moieties....
12/27/1983
4374788Process for treatment of olefin polymer fibrils
Fibrils prepared by a differential temperature precipitation process of the type described in U.S. Pat. No. 4,013,751 are refined in isopropanol at a subambient temperature not higher than about 10° C., and subsequently are treated with an aqueous soluti...
02/22/1983
4344804Process and apparatus for the manufacture of fiber-reinforced hydraulically bound articles such as cementitious articles
The present invention relates to a continuous process for manufacturing articles comprised of fiber-reinforced hydraulically bound material. A layer of the fiber-reinforcing and hydraulically bindable materials are placed on a first endless carrier while ...
08/17/1982
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