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Class 162/159 - Fire proofing agent


Subclass of Class 162 - Paper making and fiber liberation
Definition: Processes and products in which the additive renders the
No. of patents: 82
Last issue date: 08/17/2010


1      
NumberTitleIssue Date
7776179Fire-retardant, method for manufacturing fire-retardant cellulose-based
The present invention imparts fire-retardancy upon cellulosic products utilizing a cost-effective, non-toxic, and reliable process. Unlike previous methods which impart superficial fire-retardant coatings upon finished products, the present process treats the indivi...
08/17/2010
7776180Process for preparing a flame retardant and glow resistant zinc free cellulose product
Provided is a process for the preparation of flame retardant cellulosic product including the steps of adding a soluble salt of silica to viscose, followed by blending and extruding the blended viscose into a spin bath, regenerating the viscose and subjecting the re...
08/17/2010
7651590Flame retardant and glow resistant zinc free cellulose product
A flame retardant and glow resistant zinc free cellulose product containing silica, modified with polyaluminium ions. In the preparation of product the cellulose solution (viscose) and sodium silicate are blended and regenerated to obtain a polymeric silica in the c...
01/26/2010
7651591Fire retardant composite panel product and a method and system for fabricating same
In one embodiment, a fire retardant composite panel material is fabricated. A water-based slurry comprising partially soluble boric acid and borax pentahydrate solids is created. An adhesive used in the composite panel fabrication process is added to fibers. The wat...
01/26/2010
7510628Fire retardant paper
A method of treatment of resin impregnated manufactured paper to render the paper fire retardant, said method comprising the addition of a fire retardant compound containing borax and diammonium phosphate introduced into the paper. It is an objective of the inventio...
03/31/2009
7354503Fire retardant composite panel product and a method and system for fabricating same
In one embodiment, a fire retardant composite panel material is fabricated. A water-based slurry comprising partially soluble boric acid and borax pentahydrate solids is created. An adhesive used in the composite panel fabrication process is added to fibers. The wat...
04/08/2008
7348484Method of assisting a compromised barrier
The present invention provides method, apparatus, and system to assist in partially or fully reestablishing the fire rating of a barrier that has been compromised by the installation of an electrical box(es) in the barrier. The electrical box includes a faceplate ha...
03/25/2008
7216652Smoking article wrapper with improved filler
The invention relates to a tobacco smoking article wrapper which selectively reduces the content of gaseous components in the smoke delivered during the use of the smoking article. The gaseous components can be low molecular weight aldehydes in the smoke produced du...
05/15/2007
7153390Process for manufacturing a cellulosic paper product exhibiting reduced malodor
A process for manufacturing a cellulosic paper product is provided. The process comprises forming an aqueous suspension of papermaking fibers; introducing sodium bicarbonate into the aqueous suspension; depositing the aqueous suspension onto a sheet-forming fabric t...
12/26/2006
7118617Fire-proof treatment solution and fire-retardant material therefrom
A fire-proof treatment solution capable of resolving problems, such as low solubility leading to low concentration and hence low combustion inhibiting effect and water solubility leading to a disadvantage of eluviation, of boron compounds used as a constituent of a ...
10/10/2006
7097911Multi-layered flame retardant wrap
A layered flame retardant system and method is disclosed comprising a first flame retardant stable layer for covering a solid combustible material and a second moisture protecting polyolefin stretch film layer. The polyolefin stretch film layer further compactly aff...
08/29/2006
7070653Method of providing a fire barrier and article therefor
A method of providing a fire barrier that includes coating an opening in a structure with a composition that includes an elastomer. The composition is substantially free of volatile organic compounds and, when dry, exhibits a tensile strength of from about 300 psi t...
07/04/2006
7052709Substance delivery device
A substance delivery device includes a combustible paperboard strip and at least one substance toxic to insects and a perfume. The delivery device can take the form of a coil and includes a flexible backing sheet for supporting the combustible paperboard strip. The ...
05/30/2006
7045079Aqueous intumescent fire barrier composition
An aqueous fire barrier composition including a latex that includes a polymer, a polyol having 2, 3 or 4 hydroxy groups and a molecular weight of from about 75 to about 1200, and an intumescent agent. ...
05/16/2006
7033526Fire retardant foam and gel compositions
A composition which retards the spread of fire, protects assets at risk from fire damage and emits a material which aids in extinguishing the fire. The composition may be either in the form of a gel or a foam and may be used to protect any sort of object, such as pe...
04/25/2006
6924243High performance fire-retardant kraft facing for fiberglass insulation
A process for preparing a fiberglass insulation product, including the steps of: (a) providing a layer of fire-retardant kraft paper, (b) coating the fire-retardant kraft paper layer with from 2 to 10 pounds of HDPE or of polypropylene per 3000 square feet of the pa...
08/02/2005
6716310Process for manufacturing a cellulosic paper product exhibiting reduced malodor
A process for manufacturing a cellulosic paper product is provided. The process comprises forming an aqueous suspension of papermaking fibers; introducing a borate compound, preferably boric acid, into the aqueous suspension; depositing the aqueous suspension onto a...
04/06/2004
6641750Treatment for improving cellulose insulation
An improved fire retardant cellulose insulation with reduced density and reduced settling. A method consists of adding a material, the fibers of which have a positive electrostatic charge, is added onto a shredded newspaper base either before or after the...
11/04/2003
6641749Treatment for improving cellulose insulation
A method for manufacturing a tire retardant cellulose insulation with reduced density and reduced settling. The method consists of adding a material, the fibers of which have a positive electrostatic charge, onto a shredded newspaper base either before or...
11/04/2003
6521682Textile materials with fireproof additive and method for producing
A flame-resistant additive for textile materials and microfiber non-woven fabrics of the artificial-leather type that imparts a high level of fireproofing properties to the textile material treated without negatively affecting the visual and mechanical ch...
02/18/2003
6455125Method of manufacturing a paper core material having a design of continuously geometric pattern and the paper core material manufactured by the method
A method for manufacturing a paper core material is described. The paper core material has uses such as in the building industry and has the advantage that no toxic home syndrome is caused in a newly built house or office. The paper core material has a co...
09/24/2002
6372360Fire retardant treatment
Fire retardant cellulosic material comprises from 0.4 to 2.0% by weight of tin and from 0.4 to 8.0% by weight of boron based on the weight of the cellulosic material. The fire retardant material is prepared in a two-stage or a one-stage process. The two-s...
04/16/2002
6207085Heat expandable compositions
A composition which, when subjected to heat, expands to form heat-insulating barriers comprises an expandable graphite, a fire retardant, and an inorganic intumescent filler such as clay dispersed in a resinous emulsion. Particularly desirable results are...
03/27/2001
5830319Flexible fire barrier felt
A flexible fire barrier felt is provided that includes an organic polymeric binder; a phosphorus-containing compound; organic fibers with pendant hydroxyl groups; and a heat absorbing compound....
11/03/1998
5789326Particle binders
A binder is applied to fibers to bind particles to the fibers. The fibers have hydrogen bonding functional groups. The particles have functional groups capable of forming a hydrogen bond or a coordinate covalent bond. The binder comprises binder molecules...
08/04/1998
5723020Fire-retardant saturating kraft paper
The invention relates to an improvement in the art of making saturating kraft paper. In particular, the invention relates to a method for enhancing the fire-retardancy of saturating kraft paper containing alumina trihydrate and phenolic resin by including...
03/03/1998
5589256Particle binders that enhance fiber densification
A method of producing easily densified high bulk fibers that have adhered particulates. The high bulk fibers have hydrogen bonding or coordinate covalent bonding functionalities, and a binder is applied to the fibers to bind the particles to the fibers. T...
12/31/1996
5534301Method for producing cellulose insulation materials using liquid fire retardant compositions
A method for producing fire-resistant cellulose insulation materials using liquid fire retardants. Cellulose materials (e.g. paper) are initially shredded into multiple pieces which are sprayed with a mist containing liquid fire retardants. The sprayed pa...
07/09/1996
5480587Materials for use as fire retardant additives
A method of modifying an inorganic material which evolves gases and/or vapors at a temperature which is detrimental to the processing temperature of polymer or paper systems so that the modified material can be used as a fire retardant additive with that ...
01/02/1996
5272852Fluff-type organic insulating pulp and method of fabrication and application
An insulating pulp for insulating buildings and other type structures and wherein the pulp is formed of organic fibers having a fiber length of from about 1.0 mm to 3 mm. Such pulp is obtained by a chemi-thermomechanical pulping process and the pulp may b...
12/28/1993
5155964Fluff-type organic insulating pulp and method of fabrication
An insulating pulp for insulating buildings and other type structures and wherein the pulp is formed of organic fibers having a fiber length of from about 1.0 mm to 3 mm. Such pulp is obtained by a chemi-thermomechanical pulping process and the pulp may b...
10/20/1992
5084307Flame retardant vegetable fiber material and the process of the same
This specification discloses a flame retardant vegetable fiber material and the process for the production of the same. The adopted means is to immerse the vegetable fiber into a firstly prepared inorganic solution and also into a secondary prepared inorg...
01/28/1992
4987022Non-inflammable light-weighing tough board
Non-inflammable light-weighing tough boards to be used for structural and decorative material in housing and building, such as, decorative ceiling boards, sliding door overlays, partitions and so on, prepared by corrugating cardboard made of phosphated wo...
01/22/1991
4950362Heat-insulating shaped fibrous articles and a process for producing them
Elastic, heat-insulating shapes of ceramic, refractory or fireproof fibers and, where needed, further refractory or fireproof substances, and temporary or inorganic binders, as well as a process for the preparation thereof. The heat-insulating shapes are ...
08/21/1990
4888136New flame retardant compositions of matter and cellulosic products containing same
This application discloses new compositions of matter useful as flame retardants for cellulosic materials comprising ammonium bromide and, at least, one water-soluble aluminum salt of an organic hydroxy acid, such as aluminum citrate or aluminum lactate....
12/19/1989
4842772Fire retardant pigment
Alumina trihydrate particles coated with alkali metal silicate, alkaline earth metal silicate or alumino silicate are useful as fillers in paper and plastics and provide good opacity and brightness properties as well as fire retardancy. The alumina trihyd...
06/27/1989
4780180Nonflammable paper
A nonflammable paper having a sufficient yield at the time of paper-making and a sufficient non-combustibility and strength even in a basis weight as low as 100 g/m2 or less is provided, which paper is obtained by dispersing in water a composit...
10/25/1988
4755225Cellulosic-based particulate insulation and method of manufacturing same
Flame and combustion retardant insulative materials are manufactured by subjecting cellulosic pulp rejects to a dewatering operation to remove approximately 25% of the water; flash-drying the obtained partially dewatered rejects, causing the rejects to ex...
07/05/1988
4746570Heat-resistant, highly expansible sheet material for supporting catalyst carrier and process for the preparation thereof
A heat-resistant, highly expansible sheet material for supporting a catalyst carrier containing unexpanded vermiculite, in which the cations contained between the layers of the vermiculite are at least partly exchanged by ammonium cations, is provided. A ...
05/24/1988
4710309Lightweight soundproofing, insulation and fireproofing material and method
A lightweight soundproofing, insulation and fireproofing material and method is disclosed. A dry composition is provided which includes 60-80% by weight of an inorganic lightweight nonflammable fibrous material, 16.67-36.67% by weight of an organic lightw...
12/01/1987
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