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Patent No. 6745394

Ballistic resistant body covering

A ballistic resistant body covering for protecting the torso, groin and neck area from ballistic missiles.

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Class 521/141 - Cellular vinyl alcohol polymer


Subclass of Class 521 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter involving a cellular polymer derived from
No. of patents: 88
Last issue date: 09/23/2008


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NumberTitleIssue Date
7427321Foamed fireproofing composition and method
Disclosed are formulations adapted to form a foamed cementitious composition, the foamed cementitious composition itself, a method of forming a hydraulic binder foam, and a method of conveying and applying the resulting foam to a substrate. A pumpable cementitious s...
09/23/2008
7332112Apparatus and method for forming densified, carbon-carbon composites
An apparatus and method for forming a densified carbon-carbon composite. The apparatus includes: a green part molding station for forming a green part; a carbonization station for carbonizing the green part; and an impregnation station for impregnating the carbonize...
02/19/2008
7318852Bag house filter with fine fiber and spun bonded media
Disclosed are improved polymer materials. Also disclosed are fine fiber materials that can be made from the improved polymeric materials in the form of microfiber and nanofiber structures. The microfiber and nanofiber structures can be used in a variety of useful ap...
01/15/2008
7316275Well treating compositions containing water superabsorbent material and method of using the same
A well treating composition containing a polysaccharide-based water-superabsorbent material has particularly applicability as a thermal insulating, fracturing or acid stimulation fluid. The water-superabsorbent material is capable of absorbing, at a minimum, its own...
01/08/2008
7316723Air filter with fine fiber and spun bonded media
Disclosed are improved polymer materials. Also disclosed are fine fiber materials that can be made from the improved polymeric materials in the form of microfiber and nanofiber structures. The microfiber and nanofiber structures can be used in a variety of useful ap...
01/08/2008
7265160Crosslinked biodegradable resin continuous foamed sheet and method for production thereof
The foam sheet of the present invention is biodegradable, can be recycled, has good processability, is lightweight, exhibits excellent appearance, has practically satisfactory heat resistance and is more acceptable to the environment. There is provided a cros...
09/04/2007
7247657Expandable compositions and methods of making and using the compositions
A novel expandable composition and method for using the same are disclosed. The disclosed method relates to using the composition, for example, as an automotive cavity sealant. The inventive composition normally is a combination of at least one base polymer, at leas...
07/24/2007
7244394Methods and kits for assays of analytes of interest in tears
The invention, in one aspect, provides a strip for tear collection. The strip has a first end and an opposite second end and preferably has substantially uniform cross-sections from the first end to the second end. The strip is made of a hydrogel material in substan...
07/17/2007
7105124Method, apparatus and product for manufacturing nanofiber media
A unified arrangement for providing a unique nanofibrous porous media formed as a chemical compound from a water-soluble polymer combined with a cross-linking agent with a balance of water, which chemical compound prevents the polymer from dissolving in water, inclu...
09/12/2006
7094369Processes for manufacturing polymeric microspheres
Processes of manufacturing polymeric microspheres facilitate the generation of polymeric microspheres of size ranges smaller than 600 microns diameter by forming beads of a predetermined size from a starting material which may include a template polymer, and subsequ...
08/22/2006
7070809Hydrogel biomedical articles
Hydrogel biomedical articles formed from macromers having a polymeric backbone comprising 1,2-diol and/or 1,3-diol units, such as polyvinyl alcohol, and pendant chains bearing crosslinkable groups and, optionally, other modifiers. ...
07/04/2006
7060223Polymeric medium for the retention of reagent species for use in a hand-held device for the relatively rapid detection of the presence of an analyte of interest in a sample
Disclosed herein is a polymeric sampling swab for obtaining samples of an analyte of interest from solid surfaces or from liquid substances. The polymeric material of which the swab is composed is characterized by a high resistance to chemical and mechanical degrada...
06/13/2006
7053134Forming a chemically cross-linked particle of a desired shape and diameter
Chemically cross-linked polymeric particles are formed using mechanical rather than chemical processes, facilitating production of small-diameter particles in a manner largely independent of the viscosity or density of the polymer. For example, an uncross-linked res...
05/30/2006
6992144Water-absorbent agent, method for production thereof, and water-absorbent composition
A method for the production of a water-absorbent agent comprises mixing an absorbent resin containing a carboxyl group with an additive soluble in the aqueous solution of at least one member selected from the group consisting of inorganic acids, organic acids, and p...
01/31/2006
6972144Composite structural material and method of making same
A composite structural material suitable, for example, as a replacement for wooden boards, is disclosed. It comprises a dimensionally stable core material ensheathed in a dimensionally stable, laminar covering that is adherent to the core material. The laminar cover...
12/06/2005
6953587Process for making a water-soluble foam component
The present invention relates to a process for preparing a water-soluble foam matrix which is capable of delivering an active ingredient and articles of manufacture comprising said foam matrix, said article comprising: i) a water-s...
10/11/2005
6943200Water unstable foam compositions
The present invention relates to foam components comprising polymeric material and an active ingredient, such as detergent ingredients, which are to be delivered to aqueous environment. Highly preferred active ingredients include enzymes. The foam component is stabl...
09/13/2005
6855743Reinforced, laminated, impregnated, and composite-like materials as crosslinked polyvinyl alcohol hydrogel structures
Reinforced, laminated, impregnated, and materials with composite properties as cross linked polyvinyl alcohol hydrogel structures in bulk or cellular matrix forms that can take essentially any physical shape, or can have essentially any size, degree of porosity and ...
02/15/2005
6841580Organic porous material, process for manufacturing the same, and organic porous ion exchanger
An organic porous material having a continuous pore structure, which comprises interconnected macropores and mesopores with a radius of 0.01 to 100 μm in the walls of the macropores, having a total pore volume of 1 to 50 ml/g and having pore distribution curve char...
01/11/2005
6800668Syntactic deformable foam compositions and methods for making
The invention relates to methods for preparing a syntactic foam composition suitable for use as a carrier for chemicals or other compounds, including pharmaceuticals. The invention further relates to compositions prepared in accordance with the methods of the presen...
10/05/2004
6780230Foamed fireproofing composition and method
Disclosed are formulations adapted to form a foamed cementitious composition, the foamed cementitious composition itself, a method of forming a hydraulic binder foam, and a method of conveying and applying the resulting foam to a substrate. A pumpable cementitious s...
08/24/2004
6699915Foamed fireproofing composition and method
Disclosed are formulations adapted to form a foamed cementitious composition, the foamed cementitious composition itself, a method of forming a hydraulic binder foam, and a method of conveying and applying the resulting foam to a substrate. A pumpable cem...
03/02/2004
6650934Polymeric foam reservoirs for an electrotransport delivery device
A method is provided for preparing a novel therapeutic agent-containing reservoir (26, 28) for use in conjunction with an electrotransport drug delivery system (10). A polymeric matrix is foamed in a selected atmosphere and then cross-linked to form a pol...
11/18/2003
6608117Methods for the preparation of cellular hydrogels
What is disclosed herein are physically cross-linked, cellular hydrogels and methods for their preparation. The cellular materials are highly resilient, hydrophilic materials having broad uses. The cellular materials are prepared by the physical crosslink...
08/19/2003
6461789Polymers, chemical amplification resist compositions and patterning process
Polymers comprising fluorinated vinyl alcohol units and having acid labile groups partially introduced are novel. Using such polymers, resist compositions featuring transparency to excimer laser light and alkali solubility are obtained....
10/08/2002
6451348Method of manufacturing porous matrix-type controlled release systems using emulsion technique
A method of manufacturing a porous matrix-type drug delivery system is provided. It comprises the steps of: dispersing, stirring, and emulsifying an aqueous solution of a drug in an organic solvent having a polymer compound and a surface active agent solv...
09/17/2002
6316510Foamable binder composition and methods for producing the same
A foamable binder composition and methods for producing the same are provided. The foamable binder composition of the present invention comprises a corrosion preventing agent, a main adhesion material, a surfactant capable of inducing formation of foams, ...
11/13/2001
6268405Hydrogels and methods of making and using same
The invention is directed to methods of making novel porous and solid polyvinyl alcohol hydrogels. These hydrogels are particularly suited for use in the replacement and augmentation of soft tissue or non-load bearing bone of the face, head and cranium....
07/31/2001
6214895Method for making a polyvinyl acetal sponge packing for use in the nasal, sinus and otic cavities
Nasal, sinus and otic packings exhibiting a less adherent surface when in contact with tissue and being less traumatic on removal are prepared. In a first embodiment, polyvinyl acetal foamed packing material undergoes a surface modification imparting a no...
04/10/2001
6169123Non-adherent nasal, sinus and otic packing and method for processing sponge materials in fabrication of packings
Nasal, sinus and otic packings exhibiting a less adherent surface when in contact with tissue and being less traumatic on removal are prepared. In a first embodiment, polyvinyl acetal foamed packing material undergoes a surface modification imparting a no...
01/02/2001
6100306Polymeric microbeads and methods of preparation
The present invention relates to porous crosslinked polymeric microbeads having cavities joined by interconnecting pores wherein at least some of the cavities at the interior of each microbead communicate with the surface of the microbead. The present inv...
08/08/2000
6010565Foamed material for fireproofing and/or insulating
This invention relates to a foamed material for fireproofing and/or insulating purposes, consisting of 30 to 90 parts by weight of a solution that contains 20 to 70 wt-% Al (H2 PO4)3 and 30 to 80 wt-% water, 5 to 55 parts ...
01/04/2000
6001911Absorbent resin, absorbent material and method of manufacturing the same
A water content of a water-containing gel of a hydrophilic cross-linked polymer is reduced by pressuring (calendaring) it. Then, a gel composition including, for example, a water-containing gel including cross-linked poly(meth)acrylic acid (salt), glycero...
12/14/1999
5962544Microporous materials of ethylene-vinyl alcohol copolymer and methods for making same
A microporous shaped article is provided. The article comprises ethylene-vinyl alcohol copolymer which has an internal structure of a multiplicity of spaced, randomly dispersed, non-uniform shaped particles of ethylene-vinyl alcohol copolymer. Also provid...
10/05/1999
5948829Process for preparing an absorbent foam
Disclosed is a process for preparing an absorbent foam. The process generally comprises forming a solution of a polymer in a solvent, freezing the solution at a relatively slow cooling rate to a temperature below the freezing point of the solvent, removin...
09/07/1999
5863957Polymeric microbeads
The present invention relates to porous crosslinked polymeric microbeads having cavities joined by interconnecting pores wherein at least some of the cavities at the interior of each microbead communicate with the surface of the microbead. The present inv...
01/26/1999
5811471Disinfectant plastic sponge material
A germicidal absorptive material for use in surgical packings, sanitary tampons and similar uses is provided by a sponge-like matrix of polyvinyl alcohol-acetal copolymer to which is tightly bound a germicidal disinfectant dye. Polyvinyl alcohol-acetal po...
09/22/1998
5736586Biodegradable foamed plastic materials
Biodegradable foamed plastic material having a bulk density comprised within the range of from 5 to 13 kg/m3, comprising: 30-99.5 by weight of polisaccharide containing more than 50% of thermoplastic starch or starch complexed by polimeric structure...
04/07/1998
5712319Resin composition for low expansion moldings
A resin composition for low expansion moldings which comprises (A) 20 to 80 parts by weight of a vinyl chloride resin having an average degree of polymerization of from 500 to 1700 and (B) correspondingly from 80 to 20 parts by weight of a copolymer made ...
01/27/1998
5677360Hydrophilic polymer alloy, fiber and porous membrane comprising this polymer alloy, and methods for preparing them
A hydrophilic polymer alloy which has a permanent hydrophilic nature, a sufficient mechanical strength and a high safety and which is suitable for the formation of hydrophilic porous membranes manufacturable by an industrially advantageous process can be ...
10/14/1997
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