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IC:A62D5/00 AND EN_ALLTXT:(coronavirus OR coronaviruses OR coronaviridae OR coronavirinae OR orthocoronavirus OR orthocoronaviruses OR orthocoronaviridae OR orthocoronavirinae OR betacoronavirus OR betacoronaviruses OR betacoronaviridae OR betacoronavirinae OR sarbecovirus OR sarbecoviruses OR sarbecoviridae OR sarbecovirinae OR "severe acute respiratory syndrome" OR sars OR "2019 ncov" OR covid)

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Analysis

1.1565677Nanometer SARS-proof gauze mask and guard garment
CN 19.01.2005
Int.Class A62D 7/00
AHUMAN NECESSITIES
62LIFE-SAVING; FIRE-FIGHTING
DCHEMICAL MEANS FOR EXTINGUISHING FIRES; PROCESSES FOR MAKING HARMFUL CHEMICAL SUBSTANCES HARMLESS, OR LESS HARMFUL, BY EFFECTING A CHEMICAL CHANGE; COMPOSITION OF MATERIALS FOR COVERINGS OR CLOTHING FOR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; COMPOSITION OF MATERIALS FOR TRANSPARENT PARTS OF GAS-MASKS, RESPIRATORS, BREATHING BAGS OR HELMETS; COMPOSITION OF CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
7Composition of materials for transparent parts of gas-masks, respirators, breathing bags, or helmets
Appl.No 03148843.9 Applicant Wang Rui Inventor Wang Rui
A nanometer anti SARS mask and insulating clothing are made by coverage type nanometer cloth soaked with nanometer particle. The invention adopts macromole polysaccharide, which can combine with virus protein rapidly and effectively as material for preparing nanometer polysaccharide colloid. The average particle parameter is smaller than 100 nanometers in the nanometer polysaccharide colloid. Dips a common non-nanometer cloth in the nanometer polysaccharide colloid and dries it into the coat type nanometer cloth. Four layers coat type nanometer cloth laminate with the two layers common non-nanometer cloth into integrated composite cloth for making mask and insulating clothing. It has a super powerful absorption and insulation function to virus(SARS coronavirus is included) and favorable air permeability function, thus can effectively prevent the virus be passively absorbed into the body.
2.20050079379Enhancement of barrier fabrics with breathable films and of face masks and filters with novel fluorochemical electret reinforcing treatment
US 14.04.2005
Int.Class A62B 7/10
AHUMAN NECESSITIES
62LIFE-SAVING; FIRE-FIGHTING
BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
7Respiratory apparatus
10with filter elements
Appl.No 10915808 Applicant University of Tennessee Research Foundation Inventor Wadsworth Larry C.

A respirable one-ply, two-ply or multi-ply barrier fabric including one web comprising an electrostatically charged melt blown fibers nonwoven or a nanofiber/melt blown fibers nonwoven having a weak cationic emulsifier to reduce surface energy of the fibers so as to minimize penetration and wetting by oily mists and to thereby preserve the effectiveness of electrostatic charges applied to fibers. Also disclosed is a two-layer or multi-ply barrier fabric which has at least one barrier fabric layer which is impermeable to liquids such as water and body fluids, but which allows the transport of moisture vapor through the micropores or by chemical absorption of water through a monolithic membrane, which may have additional barrier layers to include melt blown and nanofiber/melt blown composites. One or more layers of the respirable barrier fabric or the moisture transporting microporous (MP) or monolithic (ML) films or combination thereof may contain an antimicrobial agent, fluorochemical or other protective finish, as well as any of the layers of the respirable filter fabric or any of the layers of the filter ensemble as well as any layer of the liquid barrier moisture transporting barrierfabrics. Furthermore, the protective fabrics may contain a porous or absorbent fabric or film on the body side for enhanced thermal comfort, and other additives may be included in the fabric ensembles such as activated carbon particles, or activated carbon particles, or other sorbents, or superabsorbents o to absorb odors or toxic chemicals.

3.2974025VIRUS INACTIVATING SHEET
CA 07.04.2011
Int.Class A01N 59/12
AHUMAN NECESSITIES
01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
59Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
12Iodine, e.g. iodophors; Compounds thereof
Appl.No 2974025 Applicant NBC MESHTEC, INC. Inventor
A virus inactivating sheet is provided that can inactivate viruses adhering thereto even in the presence of lipids and proteins regardless of whether or not the viruses have an envelope . The virus inactivating sheet can inactivate viruses adhering thereto and includes a sheet body, and monovalent copper compound fine particles and/or iodide fine particles that are held by the sheet body. The virus inactivating sheet can inactivate various viruses . These viruses can be inactivated even in the presence of lipids and proteins .

4.2241440Article acting as a barrier to noxious agents, laminate and associated production method
EP 20.10.2010
Int.Class B32B 33/00
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
33Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
Appl.No 10153463 Applicant GEN ELECTRIC Inventor STONE JOSHUA JAMES
An article (10) includes a porous membrane (11), a first selectively permeable (12) coating supported by the membrane (11) and a component protective against delamination of the selectively permeable coating (12) from the porous membrane (11) and/or any other coatings applied thereto. The first selectively permeable coating (12) includes an antichemical, antibiological, antiradiological and/or antimicrobial agent. The protective component may be provided alone, or as an element of the first selectively permeable coating, or, a second selectively permeable coating. A laminate (40) and methods of providing these are also provided.
5.2453200Polyimine coated semipermeable membrane, for protective clothing
GB 03.09.2008
Int.Class A62D 5/00
AHUMAN NECESSITIES
62LIFE-SAVING; FIRE-FIGHTING
DCHEMICAL MEANS FOR EXTINGUISHING FIRES; PROCESSES FOR MAKING HARMFUL CHEMICAL SUBSTANCES HARMLESS, OR LESS HARMFUL, BY EFFECTING A CHEMICAL CHANGE; COMPOSITION OF MATERIALS FOR COVERINGS OR CLOTHING FOR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; COMPOSITION OF MATERIALS FOR TRANSPARENT PARTS OF GAS-MASKS, RESPIRATORS, BREATHING BAGS OR HELMETS; COMPOSITION OF CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
5Composition of materials for coverings or clothing affording protection against harmful chemical agents
Appl.No 0813687 Applicant GEN ELECTRIC Inventor BANSAL VISHAL
The article comprises a porous membrane 91 coated with a selectively permeable hydroxyalkyl group containing polyalkyleneimine 92. The polyimine is preferably a polyethylene imine. The preferred membrane has an additional coating 94, 97, especially a nucleophilic polyvinyl alcohol or polyvinyl amine coating containing a blocked isocyanate or urethane. Preferably the polyimine 92 coating also contains a polyamine and a triazine crosslinking agent. The coated membrane is preferably laminated to an oleophobic membrane 93. An especially preferred laminate contains an enzyme, antimicrobrial material or a chemical-sorbing material. The coating method is also claimed. Active biological and chemical agents, especially pathogens or toxins are prevented from passing through apparel, especially underwear or footwear containing the membrane.
6.20050108813Protective apparel spacers and low resistance air flow
US 26.05.2005
Int.Class A62D 5/00
AHUMAN NECESSITIES
62LIFE-SAVING; FIRE-FIGHTING
DCHEMICAL MEANS FOR EXTINGUISHING FIRES; PROCESSES FOR MAKING HARMFUL CHEMICAL SUBSTANCES HARMLESS, OR LESS HARMFUL, BY EFFECTING A CHEMICAL CHANGE; COMPOSITION OF MATERIALS FOR COVERINGS OR CLOTHING FOR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; COMPOSITION OF MATERIALS FOR TRANSPARENT PARTS OF GAS-MASKS, RESPIRATORS, BREATHING BAGS OR HELMETS; COMPOSITION OF CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
5Composition of materials for coverings or clothing affording protection against harmful chemical agents
Appl.No 10887648 Applicant Cylena Medical Technologies Inc. Inventor Plut William J.

Described herein is protective apparel that improves management. The protective apparel comprises a set of spacers. Each spacer is arranged on an inner portion of the apparel and maintains apparel proximate to the spacer distant from the person, thereby preventing continuous contact between the person and portions of the apparel. Multiple spacers may form one or more air channel between the spacers, the person and inner portions of the apparel. The channels permit low resistance airflow within the apparel and over the person's body. Low resistance airflow within the channels permits air to be easily moved through the apparel to cool the person. The spacers may comprise a compressible material such as foam. When the compressible material has an elastic memory, elastic return of the material causes each spacer to return to its initial shape after a deforming force is removed. Protective apparel described herein may also comprise a buffer volume of air that allows a person to breath without incurring significant pressure changes internal to the apparel.

7.20180236287ULTRA-BREATHABLE AND PROTECTIVE MEMBRANES WITH SUB-5 NM CARBON NANOTUBE PORES
US 23.08.2018
Int.Class A62D 5/00
AHUMAN NECESSITIES
62LIFE-SAVING; FIRE-FIGHTING
DCHEMICAL MEANS FOR EXTINGUISHING FIRES; PROCESSES FOR MAKING HARMFUL CHEMICAL SUBSTANCES HARMLESS, OR LESS HARMFUL, BY EFFECTING A CHEMICAL CHANGE; COMPOSITION OF MATERIALS FOR COVERINGS OR CLOTHING FOR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; COMPOSITION OF MATERIALS FOR TRANSPARENT PARTS OF GAS-MASKS, RESPIRATORS, BREATHING BAGS OR HELMETS; COMPOSITION OF CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
5Composition of materials for coverings or clothing affording protection against harmful chemical agents
Appl.No 15441153 Applicant Lawrence Livermore National Security, LLC Inventor Francesco Fornasiero

In one embodiment, a product includes a plurality of carbon nanotubes and a fill material in interstitial spaces between the carbon nanotubes for limiting or preventing fluidic transfer between opposite sides of the product except through interiors of the carbon nanotubes. Moreover, the longitudinal axes of the carbon nanotubes are substantially parallel, where an average inner diameter of the carbon nanotubes is about 20 nanometers or less. In addition, the ends of the carbon nanotubes are open and the fill material is impermeable or having an average porosity that is less than the average inner diameter of the carbon nanotubes.

8.20060150305Protective apparel breathing assistance
US 13.07.2006
Int.Class A41D 13/00
AHUMAN NECESSITIES
41WEARING APPAREL
DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
13Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
Appl.No 11357560 Applicant Cylena Medical Technologies Inc. Inventor Plut William J.

Described herein is protective apparel that improves management. The protective apparel comprises a set of spacers. Each spacer is arranged on an inner portion of the apparel and maintains apparel proximate to the spacer distant from the person, thereby preventing continuous contact between the person and portions of the apparel. Multiple spacers may form one or more air channel between the spacers, the person and inner portions of the apparel. The channels permit low resistance airflow within the apparel and over the person's body. Low resistance airflow within the channels permits air to be easily moved through the apparel to cool the person. The spacers may comprise a compressible material such as foam. When the compressible material has an elastic memory, elastic return of the material causes each spacer to return to its initial shape after a deforming force is removed. Protective apparel described herein may also comprise a buffer volume of air that allows a person to breath without incurring significant pressure changes internal to the apparel.

9.101130128Filtering (ventilating) system of breathing mask and/or clothing
CN 27.02.2008
Int.Class A62B 23/06
AHUMAN NECESSITIES
62LIFE-SAVING; FIRE-FIGHTING
BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
23Filters for breathing-protection purposes
06Nose filters
Appl.No 200710095962.X Applicant Shanghai Zhongce Industries Co., Ltd. Inventor Lin Mingyao
The invention discloses a mouthpiece and/or cloth filtering (poromeric) system in the nanometer mouthpiece and cloth and filtering technical domain, which is characterized by the following: using raw material with dog, activated char, non-fabric and so on; killing SARS virus and other minor bacteria; obtaining nanometer filter material with grain size at 1-5000nm; simplifying the structure of filter system; displaying good permeability to air and good filtering effect.
10.WO/2008/118955HIGH DURABILITY COMPOSITE FABRIC
WO 02.10.2008
Int.Class B01D 39/16
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
39Filtering material for liquid or gaseous fluids
14Other self-supporting filtering material
16of organic material, e.g. synthetic fibres
Appl.No PCT/US2008/058255 Applicant DANALDSON COMPANY, INC. Inventor KALAYCI, Veli, E.
A composite web of elastomeric nanofiber and at least one type of active particle is provided. Different types of active particles are easily incorporated into one nanofiber layer. Alternatively, multiple layers of web can be provided, wherein the same or different active particles can be incorporated in each layer. Active particles can absorb, adsorb, or react, or a combination of sorb and react with electromagnetic, chemical, and/or biological agents. The composite webs can form effective barrier layers toward a variety of materials. The composite webs can be provided on a substrate. When the substrate is a fabric, the composite webs of the invention can be incorporated into a protective garment. Protective garments of the invention are lightweight, soft, have good drape, and the active particles are durably held in place during the flexing, stress, and strain commonly encountered in garment applications.