Patent
US 11,932,780 B2WINTER CAMOUFLAGE COMPRISING HEXAGONAL BORON NITRIDE
Ann-Sofie Olovsson, Björn Boström
SAAB AB, Linko¨ping (SE)·Mar. 19, 2024·US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 11,932,780 B2Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 illustrates the reflectance spectra of a number of UV-reflective pigments in powder form; 50
FIG. 2 illustrates the reflectance spectrum of a substrate coated with a film comprising hexagonal boron nitride.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A camouflage material for use in a snowy environment, wherein the camouflage material comprises hexagonal boron nitride, wherein the camouflage material is a film, sheet, textile, yarn, or rope comprising the hexagonal boron nitride dispersed in a polymer matrix, and wherein the hex-agonal boron nitride has a particle size from about 0.4 µm to about less than 1 µm.
The camouflage material according to claim 1, wherein the hexagonal boron nitride has a particle size from about 0.4 µm to about 0.6 µm.
The camouflage material according to claim 1, com-prising from about 1 wt % to about 50 wt % of the hexagonal boron nitride.
The camouflage material according to claim 1, wherein a surface of the camouflage material comprises a visual snow camouflage pattern designed to provide visual crypsis in a snowy environment.
The camouflage material according to claim 1, wherein the film, sheet, textile, yarn, or rope comprises a coated polymer substrate comprising a coating layer and a polymer substrate, wherein the coating layer comprises hexagonal boron nitride dispersed in a polymer binder.
A camouflage product comprising a camouflage mate-rial according to claim 1, wherein the camouflage product is a net, shelter, screen, mobile camouflage, or garment.
The camouflage material according to claim 1, wherein the hexagonal boron nitride provides high ultravio-let (UV) reflectance.
A camouflage composition product, comprising hex-agonal boron nitride dispersed in a polymer binder, wherein the polymer binder is selected from the group consisting of polyester, polyamide, polyurethane, PVC, PVDF, polyolefin, acrylic, and silicone-based binders, and wherein the hexagonal boron nitride has a particle size from about 0.4 µm to about less than 1 µm. ∗ ∗ ∗ ∗ ∗
Layer stacks claimed or described, ordered top of device to substrate.
camouflage material for snowy environment
Materials described outside the worked examples.
hexagonal boron nitride
BN
polymer substrate
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
refractive index of h-BN in visual range | approximately 2 | BN |
refractive index of calcium carbonate | circa 1.59 |
Patents and literature cited by this patent (applicant and examiner references).
Cited patents · 16
Patent
Atlas literature
Patent
US 11,932,780 B2Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 illustrates the reflectance spectra of a number of UV-reflective pigments in powder form; 50
FIG. 2 illustrates the reflectance spectrum of a substrate coated with a film comprising hexagonal boron nitride.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A camouflage material for use in a snowy environment, wherein the camouflage material comprises hexagonal boron nitride, wherein the camouflage material is a film, sheet, textile, yarn, or rope comprising the hexagonal boron nitride dispersed in a polymer matrix, and wherein the hex-agonal boron nitride has a particle size from about 0.4 µm to about less than 1 µm.
The camouflage material according to claim 1, wherein the hexagonal boron nitride has a particle size from about 0.4 µm to about 0.6 µm.
The camouflage material according to claim 1, com-prising from about 1 wt % to about 50 wt % of the hexagonal boron nitride.
The camouflage material according to claim 1, wherein a surface of the camouflage material comprises a visual snow camouflage pattern designed to provide visual crypsis in a snowy environment.
The camouflage material according to claim 1, wherein the film, sheet, textile, yarn, or rope comprises a coated polymer substrate comprising a coating layer and a polymer substrate, wherein the coating layer comprises hexagonal boron nitride dispersed in a polymer binder.
A camouflage product comprising a camouflage mate-rial according to claim 1, wherein the camouflage product is a net, shelter, screen, mobile camouflage, or garment.
The camouflage material according to claim 1, wherein the hexagonal boron nitride provides high ultravio-let (UV) reflectance.
A camouflage composition product, comprising hex-agonal boron nitride dispersed in a polymer binder, wherein the polymer binder is selected from the group consisting of polyester, polyamide, polyurethane, PVC, PVDF, polyolefin, acrylic, and silicone-based binders, and wherein the hexagonal boron nitride has a particle size from about 0.4 µm to about less than 1 µm. ∗ ∗ ∗ ∗ ∗
Layer stacks claimed or described, ordered top of device to substrate.
camouflage material for snowy environment
Materials described outside the worked examples.
hexagonal boron nitride
BN
polymer substrate
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
refractive index of h-BN in visual range | approximately 2 | BN |
refractive index of calcium carbonate | circa 1.59 |
Patents and literature cited by this patent (applicant and examiner references).
Cited patents · 16
Patent
Atlas literature
Patent
US 11,932,780 B2Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 illustrates the reflectance spectra of a number of UV-reflective pigments in powder form; 50
FIG. 2 illustrates the reflectance spectrum of a substrate coated with a film comprising hexagonal boron nitride.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A camouflage material for use in a snowy environment, wherein the camouflage material comprises hexagonal boron nitride, wherein the camouflage material is a film, sheet, textile, yarn, or rope comprising the hexagonal boron nitride dispersed in a polymer matrix, and wherein the hex-agonal boron nitride has a particle size from about 0.4 µm to about less than 1 µm.
The camouflage material according to claim 1, wherein the hexagonal boron nitride has a particle size from about 0.4 µm to about 0.6 µm.
The camouflage material according to claim 1, com-prising from about 1 wt % to about 50 wt % of the hexagonal boron nitride.
The camouflage material according to claim 1, wherein a surface of the camouflage material comprises a visual snow camouflage pattern designed to provide visual crypsis in a snowy environment.
The camouflage material according to claim 1, wherein the film, sheet, textile, yarn, or rope comprises a coated polymer substrate comprising a coating layer and a polymer substrate, wherein the coating layer comprises hexagonal boron nitride dispersed in a polymer binder.
A camouflage product comprising a camouflage mate-rial according to claim 1, wherein the camouflage product is a net, shelter, screen, mobile camouflage, or garment.
The camouflage material according to claim 1, wherein the hexagonal boron nitride provides high ultravio-let (UV) reflectance.
A camouflage composition product, comprising hex-agonal boron nitride dispersed in a polymer binder, wherein the polymer binder is selected from the group consisting of polyester, polyamide, polyurethane, PVC, PVDF, polyolefin, acrylic, and silicone-based binders, and wherein the hexagonal boron nitride has a particle size from about 0.4 µm to about less than 1 µm. ∗ ∗ ∗ ∗ ∗
Layer stacks claimed or described, ordered top of device to substrate.
camouflage material for snowy environment
Materials described outside the worked examples.
hexagonal boron nitride
BN
polymer substrate
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
refractive index of h-BN in visual range | approximately 2 | BN |
refractive index of calcium carbonate | circa 1.59 |
Patents and literature cited by this patent (applicant and examiner references).
Cited patents · 16
Patent
Atlas literature
Patent
US 11,932,780 B2Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 illustrates the reflectance spectra of a number of UV-reflective pigments in powder form; 50
FIG. 2 illustrates the reflectance spectrum of a substrate coated with a film comprising hexagonal boron nitride.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A camouflage material for use in a snowy environment, wherein the camouflage material comprises hexagonal boron nitride, wherein the camouflage material is a film, sheet, textile, yarn, or rope comprising the hexagonal boron nitride dispersed in a polymer matrix, and wherein the hex-agonal boron nitride has a particle size from about 0.4 µm to about less than 1 µm.
The camouflage material according to claim 1, wherein the hexagonal boron nitride has a particle size from about 0.4 µm to about 0.6 µm.
The camouflage material according to claim 1, com-prising from about 1 wt % to about 50 wt % of the hexagonal boron nitride.
The camouflage material according to claim 1, wherein a surface of the camouflage material comprises a visual snow camouflage pattern designed to provide visual crypsis in a snowy environment.
The camouflage material according to claim 1, wherein the film, sheet, textile, yarn, or rope comprises a coated polymer substrate comprising a coating layer and a polymer substrate, wherein the coating layer comprises hexagonal boron nitride dispersed in a polymer binder.
A camouflage product comprising a camouflage mate-rial according to claim 1, wherein the camouflage product is a net, shelter, screen, mobile camouflage, or garment.
The camouflage material according to claim 1, wherein the hexagonal boron nitride provides high ultravio-let (UV) reflectance.
A camouflage composition product, comprising hex-agonal boron nitride dispersed in a polymer binder, wherein the polymer binder is selected from the group consisting of polyester, polyamide, polyurethane, PVC, PVDF, polyolefin, acrylic, and silicone-based binders, and wherein the hexagonal boron nitride has a particle size from about 0.4 µm to about less than 1 µm. ∗ ∗ ∗ ∗ ∗
Layer stacks claimed or described, ordered top of device to substrate.
camouflage material for snowy environment
Materials described outside the worked examples.
hexagonal boron nitride
BN
polymer substrate
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
refractive index of h-BN in visual range | approximately 2 | BN |
refractive index of calcium carbonate | circa 1.59 |
Patents and literature cited by this patent (applicant and examiner references).
Cited patents · 16
polymer binder
NIR/SWIR absorbing sub-layer
calcium carbonate
CaCO₃
barium sulfate
BaSO₄
refractive index of barium sulfate | circa 1.64 | BaSO₄ |
hemispherical reflectance of NIR/SWIR absorbing sub-layer at 1300 nm | <30 % | NIR/SWIR absorbing sub-layer |
Thickness | 0.1–1 µm | — |
Thickness | 250–350 nm | — |
Thickness | 380–780 nm | — |
Thickness | 300–400 nm | — |
Thickness | 15–20 µm | — |
Thickness | ≤ 400 nm | — |
Duration | ≤ 24 hours | — |
Thickness | 0.3–0.8 µm | — |
Thickness | 0.4–0.6 µm | — |
Thickness | 10–100 µm | — |
Thickness | ≤ 1 µm | — |
Thickness | ≤ 30 µm | — |
Thickness | ≥ 750 nm | — |
Thickness | ≤ 350 nm | — |
Cited non-patent literature · 2
polymer binder
NIR/SWIR absorbing sub-layer
calcium carbonate
CaCO₃
barium sulfate
BaSO₄
refractive index of barium sulfate | circa 1.64 | BaSO₄ |
hemispherical reflectance of NIR/SWIR absorbing sub-layer at 1300 nm | <30 % | NIR/SWIR absorbing sub-layer |
Thickness | 0.1–1 µm | — |
Thickness | 250–350 nm | — |
Thickness | 380–780 nm | — |
Thickness | 300–400 nm | — |
Thickness | 15–20 µm | — |
Thickness | ≤ 400 nm | — |
Duration | ≤ 24 hours | — |
Thickness | 0.3–0.8 µm | — |
Thickness | 0.4–0.6 µm | — |
Thickness | 10–100 µm | — |
Thickness | ≤ 1 µm | — |
Thickness | ≤ 30 µm | — |
Thickness | ≥ 750 nm | — |
Thickness | ≤ 350 nm | — |
Cited non-patent literature · 2
polymer binder
NIR/SWIR absorbing sub-layer
calcium carbonate
CaCO₃
barium sulfate
BaSO₄
refractive index of barium sulfate | circa 1.64 | BaSO₄ |
hemispherical reflectance of NIR/SWIR absorbing sub-layer at 1300 nm | <30 % | NIR/SWIR absorbing sub-layer |
Thickness | 0.1–1 µm | — |
Thickness | 250–350 nm | — |
Thickness | 380–780 nm | — |
Thickness | 300–400 nm | — |
Thickness | 15–20 µm | — |
Thickness | ≤ 400 nm | — |
Duration | ≤ 24 hours | — |
Thickness | 0.3–0.8 µm | — |
Thickness | 0.4–0.6 µm | — |
Thickness | 10–100 µm | — |
Thickness | ≤ 1 µm | — |
Thickness | ≤ 30 µm | — |
Thickness | ≥ 750 nm | — |
Thickness | ≤ 350 nm | — |
Cited non-patent literature · 2
polymer binder
NIR/SWIR absorbing sub-layer
calcium carbonate
CaCO₃
barium sulfate
BaSO₄
refractive index of barium sulfate | circa 1.64 | BaSO₄ |
hemispherical reflectance of NIR/SWIR absorbing sub-layer at 1300 nm | <30 % | NIR/SWIR absorbing sub-layer |
Thickness | 0.1–1 µm | — |
Thickness | 250–350 nm | — |
Thickness | 380–780 nm | — |
Thickness | 300–400 nm | — |
Thickness | 15–20 µm | — |
Thickness | ≤ 400 nm | — |
Duration | ≤ 24 hours | — |
Thickness | 0.3–0.8 µm | — |
Thickness | 0.4–0.6 µm | — |
Thickness | 10–100 µm | — |
Thickness | ≤ 1 µm | — |
Thickness | ≤ 30 µm | — |
Thickness | ≥ 750 nm | — |
Thickness | ≤ 350 nm | — |
Cited non-patent literature · 2