Class 162/157.4 - Polymerized unsaturated compound

Subclass of Class 162 - Paper making and fiber liberation
Definition: Processes and products in which the fibers consist of an
No. of patents: 39
Last issue date: 12/11/2007

Number	Title	Issue Date
7306846	Flowable and meterable densified fiber particle Discrete particles of cellulosic material are flowable and meterable. They are easily dispersible in an aqueous or a dry medium. The particles comprise singulated cellulose fibers that have been densified. The particles have a density of at least 0.3 g/cc. ...	12/11/2007
7272915	Shingle 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
7067038	Process for making unitary fibrous structure comprising randomly distributed cellulosic fibers and non-randomly distributed synthetic fibers A process for making a unitary fibrous structure comprises steps of: providing a fibrous web comprising a plurality of cellulosic fibers randomly distributed throughout the fibrous web and a plurality of synthetic fibers randomly distributed throughout the fibrous w...	06/27/2006
7052580	Unitary fibrous structure comprising cellulosic and synthetic fibers A unitary fibrous structure comprises a plurality of cellulosic fibers randomly distributed throughout the fibrous structure, and a plurality of synthetic fibers distributed throughout the fibrous structure in a non-random repeating pattern. A process for making the...	05/30/2006
6720388	Polypropylene 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
6706147	Process 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
6482895	Polypropylene/ethylene polymer fiber having improved bond performance and composition for marking the same The subject invention is directed to fibers and polymer blend compositions having improved bonding performance. In particular, the subject invention pertains to a multiconstituent fiber comprising a blend of a polypropylene polymer and a high molecular we...	11/19/2002
5972100	Pretreatment of filler with cationic ketene dimer A filler of inorganic particles, cellulose reactive size and cationic dispersing agent is provided, the use of which results in the capability to obtain the desired sizing level practically unaffected by the level of filler addition....	10/26/1999
5849856	Water soluble resins and application thereof to paper coating A water soluble resin obtainable by reacting at least two reactants comprising a polyamine and a urea compound, or at least four reactants comprising a polyamine, a urea compound, a dibasic carboxylic acid compound and a lactam; and then reacting the reac...	12/15/1998
5607550	Absorbent nonwoven fabric and its production A wet-laid nonwoven fabric comprises a blend of 1 to 50% by weight of fibres of a water-swellable water-insoluble superabsorbent polymer and 99 to 50% by weight of less absorbent fibres, for example fibres having an absorbency of less than 10 g/g measured...	03/04/1997
5412052	Grafted 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...	05/02/1995
5401576	Heat- 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
5376729	Grafted 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
5331021	Grafted copolymers highly absorbent to aqueous electrolyte solutions used in diapers and paper towels 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...	07/19/1994
5192604	Fibrillated fibers and articles made therefrom This invention relates to fibrillated fibers having particular physical characteristics, articles made therefrom as well as methods of producing the same. In particular the fibrillated fibers are defined by their Canadian Standard Freeness in combination ...	03/09/1993
5180630	Fibrillated fibers and articles made therefrom This invention relates to fibrillated fibers having particular physical characteristics, articles made therefrom as well as methods of producing the same. In particular the fibrillated fibers are defined by their Canadian Standard Freeness in combination ...	01/19/1993
5158646	Process for modifying hydrophilic fibers with substantially water-insoluble inorganic substance A hydrophilic fibers modified with a substantially water-insoluble inorganic compound is produced by immersing hydrophilic fibers, for example, pulp fibers, in an aqueous solution of a water-soluble inorganic compound (a) selected from aluminates, silicat...	10/27/1992
5122230	Process for modifying hydrophilic fibers with substantially water-insoluble inorganic substance A hydrophilic fibers modified with a substantially water-insoluble inorganic compound is produced by immersing hydrophilic fibers, for example, pulp fibers, in an aqueous solution of a water-soluble inorganic compound (a) which is precipitated when brough...	06/16/1992
5115065	Polymeric papermaking additive A papermaking additive useful for papermaking in a neutral to alkaline pH region, which comprises as an active component a water-soluble copolymer comprising as constituent monomers (a) 0.1 to 20 mole % of a specific bisquaternary ammonium (meth)acrylamid...	05/19/1992
5106457	Hydroentangled 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
5000824	Polyethylene 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
4929502	Fibrillated fibers and articles made therefrom This invention relates to fibrillated fibers having particular physical characteristics, articles made therefrom as well as methods of producing the same. In particular the fibrillated fibers are defined by their Canadian Standard Freeness in combination ...	05/29/1990
4774272	Composite sheet material for storage envelopes for magnetic recording media There is provided a composite sheet material for fabrication of storage envelopes for magnetic recording media, e.g., floppy diskettes. The material has a low debris count, and a fast rate of static decay as well as high stiffness and strength....	09/27/1988
4716075	Protected 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
4680223	Fibrous inner web for sheet vinyl flooring goods A fibrous web is prepared from a composition comprising woodpulp, glass fibers, polyolefin pulp containing carboxylic functionality, an inorganic filler, a polymeric binder, polyolefin pulp devoid of carboxylic functionality, if desired, and polyvinyl chl...	07/14/1987
4678822	Resin impregnated fibre batt A bonded fibre insulation batt is produced by ragging, teasing and otherwise doffering fibres of wool and/or synthetic or other natural fibres such as monoacrylic, acrylic, polyamide, polyester or cotton fibres, so as to form a sliver with said fibres ran...	07/07/1987
4613635	Composition 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
4460647	Fibrets 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
4423184	Synthetic 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
4267016	Polyvinyl alcohol fiber for binding a fibrous sheet and a process for the preparation thereof A water-soluble polyvinyl alcohol fiber is obtained by subjecting to the conventional dry or wet spinning process, a solution prepared by adding to a polyvinyl alcohol aqueous solution, an adduct composed of a polyamide condensation product and 1-halogen-...	05/12/1981
4265703	Method of preparing a fibrous structure containing metallic fibers This invention relates to a fibrous structure containing metallic fibers, said fibrous structure being characterized in that the fibers which constitute said fibrous structure have been deposited by wet process, and in that the metallic fibers which said ...	05/05/1981
4157275	Polyvinyl alcohol fibers containing acicular colloidal clay Polyvinyl alcohol fibers having needle-like crystals of colloidal clay, especially attapulgite or sepiolite clay, disseminated therein in amount within the range of from 30% to 75% of the dry weight of the fibers. The composite fibers are capable of being...	06/05/1979
4098640	Manufacture of paper-like and textile-like sheets The manufacture of paper-like and textile-like sheet materials by the use of fibrids which have been obtained by dissolving poly(amide-imide) resins in an organic solvent, mixing the resulting solution with a liquid which is a non-solvent for the polymer ...	07/04/1978
4080413	Porous carbon fuel cell substrates and method of manufacture Porous carbon sheets suitable for use as fuel cell electrode support plates are produced by stabilizing acrylic filament precursors through the controlled addition of oxygen thereto. The stabilized filaments are thereafter chopped into short lengths, felt...	03/21/1978
4067769	Heat resistant and flame resistant papers Heat resistant and flame resistant papers composed of at least 60% by weight of phenolic fibers having a hardened degree of 3-30% by weight, which are obtained by melt spinning a phenolic resin and cross-linking the resulting filaments with an aldehyde....	01/10/1978
4064207	Fibrillar carbon fuel cell electrode substrates and method of manufacture Porous carbon sheets suitable for use as fuel cell electrode support plates are produced from inexpensive carbonizable filaments. The filaments are chopped into short lengths, felted, sprayed with a binder and the binder is cured whereby sheets are define...	12/20/1977
4038452	Bulky non-woven fabric A bulky non-woven fabric of improved softness and uniformity in surface density, flatness and thickness is provided. The non-woven fabric comprises (a) 50 to 95% by weight of spontaneously crimped acrylonitrile polymer fibers having lengths of 4mm to 20mm...	07/26/1977
4015043	Electrostatic recording material The electrostatic recording material comprises an electroconductive transparentized base sheet having a dielectric layer thereon. The transparentized base sheet is obtained by subjecting to a transparentizing treatment with moisture, heat and pressure a f...	03/29/1977
3963821	Method for producing synthetic fiber for paper Method for producing a synthetic fiber substantially comprising dissolving a composition consisting essentially of: A. 5-40 percent by weight of a copolymer consisting of A. 20-80 percent by weight of polyvinyl alcohol, and B. 80-20 percent by weight of acrylonitri...	06/15/1976

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Class 162/157.4 - Polymerized unsaturated compound