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Class 106/699 - Asbestos containing (e.g., amosite, chrysotile, etc.)


Subclass of Class 106 - Compositions: coating or plastic
Definition: Subject matter involving compositions containing asbestos,
No. of patents: 21
Last issue date: 07/26/2005


NumberTitleIssue Date
6921553Non-ionic foam composition for treating asbestos-containing materials and method of using same
A composition for transforming a chrysotile asbestos-containing material into a non-asbestos material is disclosed, wherein the composition comprises water, at least about 30% by weight of an acid component, at least about 0.1% by weight of a source of fluoride ions...
07/26/2005
5753033Composition and method to remove asbestos
A composition for transforming a chrysotile asbestos-containing material into a non-asbestos material is disclosed, wherein the composition comprises water, at least about 30% by weight of a boron tetrafluoride salt, free of or having only small amounts o...
05/19/1998
5753035Composition and method to remove asbestos
A composition for transforming a chrysotile asbestos-containing material into a non-asbestos material is disclosed, wherein the composition comprises water, at least about 30% by weight of an inorganic acid, and from about 0.1 to about 4% by weight of a t...
05/19/1998
5753034Composition and method to remove asbestos
A composition for transforming a chrysotile asbestos-containing material into a non-asbestos material is disclosed, wherein the composition comprises water, at least about 30% by weight of a hexafluorosilicate salt, and free of or having only small amount...
05/19/1998
5753031Composition and method to remove asbestos
A composition for transforming a chrysotile asbestos-containing material into a non-asbestos material is disclosed, wherein the composition comprises water, at least about 30% by weight of an inorganic acid, and from about 0.1 to about 4% by weight of a h...
05/19/1998
5753032Composition and method to remove asbestos
A composition for transforming a chrysotile asbestos-containing material into a non-asbestos material is disclosed, wherein the composition comprises water, at least about 30% by weight of phosphoric acid, and from about 0.1 to about 4% by weight of a sou...
05/19/1998
5741358Corrosion inhibiting composition for treating asbestos containing materials
A composition for transforming a chrysotile asbestos-containing material into a non-asbestos material is disclosed, wherein the composition comprises water, at least about 30% by weight of an acid component, optionally a source of fluoride ions, and a cor...
04/21/1998
5676750Process of treatment and environment-friendly utilization of asbestos-cement products
The invention refers to a process of treatment and environment-friendly utilization of asbestos-cement products including a thermal process to transform the asbestos component. Inventively, this is achieved by a coarse reduction of the asbestos-cement pro...
10/14/1997
5614452Method of converting asbestos cement into a harmless product
Asbestos cement may be converted to a harmless product by melting at a melt temperature of 1400° to 1700° C. a blend of 50 to 85% by weight asbestos cement with 15 to 50% by weight of additives that include naturally occurring silicate material such tha...
03/25/1997
5154955Fiber-reinforced cement composition
Disclosed is a fiber-reinforced cement composition particularly useful to make pipes or sheets. This composition comprises up to 70% by weight of a fibrous-like synthetic forsterite obtained by calcination of chrysotile asbestos fibers at a temperature of...
10/13/1992
5118544Heat resistant composition processable by vacuum forming
Disclosed is a heat-resistant composition particularly useful to produce heat-resistant boards, tubes, linings or similar articles, capable of resisting to a high temperature for a substantial period of time. The composition comprises from 30 to 70% by we...
06/02/1992
4992395Molten aluminum resistant refractory composition containing ceramic fibers
A ceramic fiber containing refractory moldable composition suitable for use with molten aluminum alloys, the composition comprised of 10-18 wt. % ceramic fiber, 33-45 wt. % colloidal silica, 30-42 wt. % total content of liquid carrier, 0.2-2.5 wt. % organ...
02/12/1991
4818143Asbestos decomposition
A method for decomposing and disposing of asbestos compounds through the use of a two part chemical process. The first step in the chemical process involves the decomposition of asbestos through the use of sulfuric acid. The second step of the process inv...
04/04/1989
4762562Method of preparing and molding mortar or like
A method of preparing and molding a hydraulic cement-containing composition such as concrete or mortar is disclosed, which can be extensively utilized in the fields of civil engineering, construction projects, or the like. In the preparation of a hydrauli...
08/09/1988
4541846Method of recovering environment-detrimental material
In a method of in situ recovering and rendering harmless material detrimental to environment, for example asbestos and the like, the material is transported together with ambient air by means of vacuum from the place in situ to a space, in which the mater...
09/17/1985
4432666Process for the storage and dumping of waste materials
A process for forming a compact, water-repellant, non-polluting mass of waste material which includes adding to the waste material a binder and forming a flowable, water-repellant mixture which is placed within a preselected site and hardened in place. A ...
02/21/1984
4384895Novel metal-micelle asbestos and treatment of asbestos and other silicate minerals to reduce their harmful properties
Silicate minerals, including asbestos fibres, are rendered less harmful by forming metal-micelle polymer coatings on the silicate. A metal-micelle polymer coating is formed on a silicate by contacting a silicate mineral, such as asbestos, with a metal-wea...
05/24/1983
4326891Crystalline calcium carbonate as a diluent in hydrothermally cured hydraulic cement compositions
The present invention relates to hydrothermally cured articles of manufacture and the processes for making the same. In the past, calcium carbonate has been included in such articles and processes a number inert filler materials to alter physical characte...
04/27/1982
4289536Glass fiber reinforced cements and process for manufacture of same
A process and composition for use in the manufacture of fiber-reinforced cementitious products. In the preferred practice of the invention, glass fibers are coated with a size composition containing a finely divided inorganic material having a high surfac...
09/15/1981
4263049Fibre-reinforced product and method of preparing same
A fibre-reinforced cementitious product comprising a fibre reinforcement, at least partly consisting of eucalyptus fibres....
04/21/1981
4010936Process for tapping a steel-making converter
A stopper plug for a converter tap hole comprising a molding of a refractory material, a fibrous substance and a binder....
03/08/1977
 
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