US Patent 8231013 - Fluid separation membrane with nanoparticle filler

http://www.freepatentsonline.com/8231013.html

Growth in industrialization has led to a increased demands on freshwater supplies and an increased interest in wastewater recycling. This patent from the Research Foundation of the State University of New York teaches a way to use nanomaterials to form a water filtration system having a high permeation rate and a reduced fouling rate compared to filtration systems currently available. Claim 1 reads:

1. An article comprising:

a fibrous support comprising nanofibers, the fibrous support having a thickness from 5 μm to about 50 μm; and

an interfacially polymerized polymer layer disposed on a surface of the fibrous support,

wherein the interfacially polymerized polymer layer further comprises at least one hydrophilic or hydrophobic nanoparticulate filler.

US Patent 8003979 - High density coupling of quantum dots to CNTs

http://www.freepatentsonline.com/8003979.html

In order to improve the efficiency of charge carrier transfer to quantum dots this patent from the Research Foundation of State University of New York teaches a way to integrate quantum dots with carbon nanotubes which is found to improve the efficiency of photodetection at infrared wavelengths. Claim 1 reads:

1. A method of preparing a carbon nanotube-quantum dot conjugate, said method comprising:

providing a plurality of semiconductor quantum dots;

providing a thiol-functionalized carbon nanotube, wherein said thiol-functionalized carbon nanotube has a surface comprising a plurality of terminal thiol groups; and

attaching the plurality of semiconductor quantum dots to the surface of the carbon nanotube under conditions which yield a carbon nanotube-quantum dot conjugate having a density of quantum dots on the surface of the carbon nanotube of between about 1.0 quantum dot particles/100 nm2 and about 4.0 quantum dot particles/100 nm2.

US Patent 7767226 - Calcium sulfate nanoparticles for bone repair

http://ip.com/patent/US7767226

Existing bone grafting material suffer from problems of scarcity and the possibility of triggering immune response. In order to overcome these deficiencies this patent from the State University of New York teaches a bone repair material based on calcium sulfate nanoparticles. Claim 1 reads:

1. A method for facilitating repair of a damaged area of bone comprising:

i) providing a composition comprising hemihydrate calcium sulfate particles, wherein at least 50% of the particles of hemihydrate calcium sulfate in the composition have a diameter of from 50 nanometers (nm) to 500 nm;

ii) mixing the composition with an aqueous solution to obtain a paste;

iii) applying the paste to the damaged area of bone; and

iv) allowing the paste to set to facilitate repair of the damaged area of bone.

US Patent 7652084 - CNT-polyolefin fiber composite

http://www.freepatentsonline.com/7652084.html

This patent from the State University of New York teaches a way to increase the compatibility between carbon nanotubes and polyolefins to enhance the electrical and mechanical properties of polymer fibers. Claim 1 reads:

1. A nanocomposite comprising:

about 70 wt % to about 99.99 wt % of at least one polyolefin; and

about 0.01 wt % to about 30 wt % of at least one modified carbon nanotube,

wherein the modified carbon nanotube has been functionalized with at least one modifier comprising an alkene.

US Patent 7553898 - Flame retardant plastics with nanostructured filler

http://www.freepatentsonline.com/7553898.html

This patent for the Research Foundation of the State University of New York teaches a flame retardant polymer composite incorporating nanomaterials and resistant to degradation when exposed to UV radiation. Claim 1 reads:

1. A flame retardant composition comprising:

from about 30% to about 50% by weight of a polyolefin;

from about 10% to about 25% by weight a brominated polystyrene or from about 30% to about 40% by weight decabromodiphenyl ether;

from about 10% to about 30% by weight of an exfoliated nanoclay; and

from about 5% to about 15% by weight carbon nanotubules or metal oxide fillers in the nanometer particle range.

US Patent 7481990 - Nanotube segregation via osmylation or ruthenylation

http://www.freepatentsonline.com/7481990.html

This patent from the State University of New York (SUNY) teaches separation chemistries for sorting nanotubes based on osmium tetroxide or ruthenium tetroxide. Claims 1 and 2 read:

1. A method of aggregating carbon nanotubes, the method comprising:

(a) providing a nanotube dispersion, wherein the nanotube dispersion comprises a plurality of carbon nanotubes, osmium tetroxide and a solvent; and

(b) irradiating the nanotube dispersion with ultraviolet light until the carbon nanotubes aggregate, wherein the metallic carbon nanotubes are selectively osmylated.

2. A method of aggregating carbon nanotubes, the method comprising:

(a) providing a nanotube dispersion, wherein the nanotube dispersion comprises a plurality of carbon nanotubes, ruthenium tetroxide and a solvent; and

(b) irradiating the nanotube dispersion with ultraviolet light until the carbon nanotubes aggregate, wherein the metallic carbon nanotubes are selectively ruthenylated.

US Patent 7371666 - Fabrication of photoluminescent silicon nanoparticles

http://www.freepatentsonline.com/7371666.html

Photoluminescence is a common phenomena in quantum dots made from a variety of semiconductor materials useful for biotags and electro-optic devices such as sensors and lasers. This patent from the State University of New York teaches a manufacturing process for photoluminescent silicon nanoparticles capable of greater volume of production than prior processes. Claim 1 reads:

1. A process for producing photoluminescent silicon nanoparticles comprising:

reacting a silicon precursor in the presence of a sheath gas with heat from a radiation beam under conditions effective to produce silicon nanoparticles and

acid etching the silicon nanoparticles under conditions effective to produce photoluminescent silicon nanoparticles.

US Patent 7323190 - Nanofiber matrix for stem cell delivery

http://www.freepatentsonline.com/7323190.html

This patent from the State University of New York discloses a system to deliver viable stem cells to treat defective tissue including a nanofiber matrix. Claim 1 reads:

1. A cell delivery system comprising a biodegradable and/or bioabsorbable fibrous matrix containing at least about 20 weight percent of fibers having fiber diameters in the range of about 10 up to about 1000 nanometers of a biodegradable and/or bioabsorbable fiberizable material, and viable cells physically associated with said matrix as a carrier whereby said cells are contained and released at a controlled rate.