Infrared Patents (Class 252/587)
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Patent number: 8309481Abstract: An optical glass includes a substance A generating light of a wavelength ?2 when irradiated with light of a wavelength ?1 and a substance B generating light of a wavelength ?3 when irradiated with light of the wavelength ?1 in the case where the relation between the wavelength ?1, the wavelength ?2, and the wavelength ?3 is assumed to be ?1<?2<?3 with respect to a 100% of basic glass composition containing at least, 2-20% SiO2, 5-45% B2O3, and 10-29% La2O3, by weight, or with respect to a 100% of basic glass composition containing; at least, 2-20% SiO2, 5-45% B2O3, 10-29% La2O3, 0-45% RO (R=Zn, Sr, Ba), 0-10% Ln2O3 (Ln=Y, Gd), and 1-20% total of ZrO2+Nb2O5+TiO2+Ta2O5, by weight.Type: GrantFiled: October 3, 2008Date of Patent: November 13, 2012Assignee: Olympus CorporationInventor: Naoyuki Morisada
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Patent number: 8303863Abstract: A fine particle which contains a compound represented by formula (1): wherein R1a and R1b may be the same or different, and each independently represent an alkyl group, an aryl group, or a heteroaryl group; R2 and R3 each independently represent a hydrogen atom or a substituent, and at least one of R2 and R3 is an electron withdrawing group; R2 may be bonded to R3 to form a ring; R4 represents a hydrogen atom, an alkyl group, an aryl group, a heteroaryl group, a substituted boron, or a metal atom; and R4 may be covalently bonded or coordinately bonded to at least one among R1a, R1b and R3.Type: GrantFiled: March 27, 2009Date of Patent: November 6, 2012Assignee: FUJIFILM CorporationInventors: Kazumi Nii, Shunya Kato, Yoshihiro Jimbo
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Patent number: 8303859Abstract: An optical film includes a near-infrared absorbing layer, the near-infrared absorbing layer containing at least one colorant having a maximum absorption wavelength in the range of 900 nm to 1,100 nm, and a transparent copolymer resin containing fine rubber particles.Type: GrantFiled: June 23, 2010Date of Patent: November 6, 2012Assignee: Cheil Industries, Inc.Inventors: Young Kwon Koo, Byoung Hoo Lee, Kyoung Ku Kang
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Patent number: 8293150Abstract: The invention provides a near-infrared absorbing material, including: at least one of at least one singlet oxygen scavengers, at least one radical scavenger, and at least one antioxidant; and at least one near-infrared absorbing compound obtained by oxidation of a compound represented by the following Formula (II). In the formula, R211, R212, R221, R222, R231, R232, R241 and R242 independently represent a hydrogen atom or an aliphatic or aromatic group; R203, R213, R223, R233 and R243 independently represent a substituent; and n203, n213, n223, n233 and n243 independently represent an integer of 0 to 4.Type: GrantFiled: March 12, 2007Date of Patent: October 23, 2012Assignee: Fujifilm CorporationInventors: Keizo Kimura, Osamu Uchida, Katsuyoshi Yamakawa
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Patent number: 8282864Abstract: There is provided a water-resistant polarizing film including an organic dye having at least two anionic groups, and an alicyclic structure-containing compound having at least two nitrogen atoms in a molecule.Type: GrantFiled: October 5, 2009Date of Patent: October 9, 2012Assignee: Nitto Denko CorporationInventors: Toru Umemoto, Sadahiro Nakanishi, Tadayuki Kameyama
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Publication number: 20120251831Abstract: An object of the present invention is to provide a near infrared absorbent dye capable of providing a near infrared shielding filter with excellent transparency as well as high heat resistance and hygrothermal resistance. The near infrared absorbent dye is characterized in that it is made of the amorphous form of diimmonium salt represented by formula (1).Type: ApplicationFiled: December 16, 2010Publication date: October 4, 2012Applicant: JAPAN CARLIT CO., LTDInventors: Akinori Okayasu, Masaaki Tamura
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Patent number: 8277702Abstract: Disclosed herein is a method for preparing a near infrared absorbing agent. The method includes admixing tungsten trioxide and a reducing agent in water and allowing for a partial reduction of the tungsten trioxides to yield the near infrared absorbing agent.Type: GrantFiled: December 29, 2009Date of Patent: October 2, 2012Assignee: Taiwan Textile Research InstituteInventors: Chao-Ching Chang, Ying-Shiou Chen, Kwo-Hwa Fang
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Publication number: 20120241697Abstract: To provide a near infrared cut filter glass which can be used without defects, etc., since crystals hardly form in the glass, even in a case where heat treatment is conducted in a coating process carried out after glass forming or in a step of producing an imaging device using such glass. A near infrared cut filter glass, which comprises, as represented by cation percentage, 25 to 37% of P5+, 16.2 to 25% of Al3+, 0.5 to 40% of R+ (wherein R+ is a total content of Li+, Na+ and K+), 0.5 to 45% of R2+ (wherein R2+ is a total content of Mg2+, Ca2+, Sr2+, Ba2+ and Zn2+), 2 to 10% of Cu2+, and 0 to 1% of Sb3+, and comprising, as represented by anion percentage, 30 to 85% of O2?, and 15 to 70% of F?.Type: ApplicationFiled: June 6, 2012Publication date: September 27, 2012Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Hiroyuki OHKAWA, Yuki KONDO, Seiki OHARA, Yuuichi IIDA
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Patent number: 8268200Abstract: Provided is a pigment dispersing composition for a color filter including a color material, a resin, and an organic solvent which may dissolve the resin, wherein a modified pigment (D) is contained as the color material which includes, on the surface of a pigment (A), a polymer (P) obtained by polymerizing a polymer (B) containing a polymerizable unsaturated group soluble in a non-aqueous solvent and at least one type of polymerizable unsaturated monomer (C) which is soluble in the non-aqueous solvent and becomes either insoluble or poorly soluble following polymerization, alternatively wherein a modified pigment (D) is contained as the color material which is obtained, under the presence of a pigment (A), a non-aqueous solvent, and a polymer (B) containing a polymerizable unsaturated group soluble in the non-aqueous solvent, by polymerizing at least one type of polymerizable unsaturated monomer (C).Type: GrantFiled: March 23, 2009Date of Patent: September 18, 2012Assignee: DIC CorporationInventors: Hiroshi Kinoshita, Seiji Funakura, Eiichi Kiuchi, Yoshinori Katayama
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Patent number: 8268202Abstract: Disclosed are potassium cesium tungsten bronze solid solution particles of the formula KxCsyWOz, where x+y?1 and 2?z?3. The particles are for instance micron or nano scaled particles. Also disclosed are organic or inorganic compositions comprising an organic or inorganic substrate and incorporated therein the present potassium cesium tungsten bronze solid solution particles. The substrates are for instance plastics, coatings, inks, adhesives, ceramics or glass. Also disclosed is a method for the preparation of the present potassium cesium tungsten bronze solid solution particles, which method comprises mixing a suitable tungsten source with a salt of potassium and a salt of cesium to form a powder mixture and exposing the powder mixture to a plasma torch under a reducing atmosphere. The present tungsten bronze particles are suitable NIR absorbers and heat shielding additives.Type: GrantFiled: June 30, 2010Date of Patent: September 18, 2012Assignee: BASF SEInventors: Marc Andrew Mamak, Urs Lehmann, Urs Leo Stadler, Ralf Stefan Knischka
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Publication number: 20120183763Abstract: To provide near-infrared-absorbing particles which have a high transmittance in the visible light region and a low transmittance in the near infrared region and which, when incorporated, can give a near-infrared-absorbing coating film wherein the transmittance sharply changes in the wavelength range of from 630 to 700 nm; a process for their production; and their dispersion. Near-infrared-absorbing particles consisting essentially of crystallites of A1/nCuPO4 and having a number average aggregated particle size is from 20 to 200 nm, wherein A is at least one member selected from the group consisting of alkali metals (Li, Na, K, Rb and Cs), alkaline earth metals (Mg, Ca, Sr and Ba) and NH4, and n is 1 when A is an alkali metal or NH4, or 2 when A is an alkaline earth metal.Type: ApplicationFiled: March 28, 2012Publication date: July 19, 2012Applicant: Asahi Glass Company, LimitedInventors: Wakako ITO, Keisuke Abe, Makoto Hasegawa, Mitsuo Osawa
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Publication number: 20120184027Abstract: A polymer composition having a modified absorption and transmission characteristic particularly suited for photoreactors or photobioreactors made of plastic molded parts and exposed to sunlight or suitable artificial light sources, the polymer selectively comprises the following substances or a combination thereof in addition to the conventional standard additives: an inorganic or organic near infrared absorber for absorbing long-wavelength radiation, an inorganic or organic reflector for reflecting ultraviolet radiation, an inorganic or organic reflector for reflecting visible, near infrared, or infrared radiation, an optical brightener or fluorescent dye for converting the absorbed ultraviolet radiation into visible light or fluorescent light, a photochromic dye for modifying the transmission characteristic of the plastic molded part as a function of light intensity, and an antimicrobial additive for preventing or reducing organic deposits in the photobioreactor.Type: ApplicationFiled: July 1, 2010Publication date: July 19, 2012Applicant: GEORG FISCHER DEKA GMBHInventors: Stephan Schuessler, Inno Gaul, Harald Kuppelmaier, Gerrit Proper
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Patent number: 8221657Abstract: The instant invention relates to novel phthalocyanines and their use as IR-absorbers, in particular in transparent thermoplastic or crosslinkable polymers. A further aspect of the invention is a composition of these phthalocyanines and thermoplastic or crosslinkable polymers and an architectural or automotive glazing containing these phthatolcyanines.Type: GrantFiled: June 3, 2011Date of Patent: July 17, 2012Assignee: BASF SEInventors: Francesca Peri, Cesare Lorenzetti, Samanta Cimitan, Markus Grob
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Patent number: 8220379Abstract: A UV camouflaging substance, in the form of a solid, powder, paste, film, or liquid, can be applied to objects such as fabrics to match the ultraviolet reflectivity of the objects with their immediate surroundings. Embodiments are transparent to visible and IR light, and can be applied without changing the visible appearance of the objects. Other embodiments visibly match the surrounding environment, such as a white substance used near snow. Different embodiments can be layered on top of each other to form UV camouflage textures and to adapt to changing environments. Some embodiments can be washed off, to avoid a build-up of camouflage layers. Embodiments include UV-interactive micro- or nano-particles suspended in a binding agent which transmit, reflect, absorb and/or scatter ultraviolet rays. Some particles are absorbent, while others are approximately one-quarter wavelength thick, and suppress UV light by inducing half-wavelength phase shifts between light reflected from opposing surfaces.Type: GrantFiled: November 15, 2010Date of Patent: July 17, 2012Inventor: Reed F. Curry
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Publication number: 20120162333Abstract: Disclosed is an ink composition comprising: (a) a phase change ink carrier which comprises at least one curable monomer, oligomer, or prepolymer; (b) an initiator; (c) an infrared-absorbing taggant; and (d) an optional colorant, the ink being curable upon exposure to radiation, the ink absorbing radiation in the infrared region.Type: ApplicationFiled: December 22, 2010Publication date: June 28, 2012Applicant: XEROX CORPORATIONInventors: Naveen Chopra, Gabriel Iftime, Michelle N. Chrétien, Barkev Keoshkerian, Daryl W. Vanbesien, Martin E. Hoover
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Publication number: 20120161090Abstract: A highly versatile material for mid-infrared filters is provided by precisely controlling the absorption intensity of titanium oxide in an infrared region. A rutile-type titanium oxide crystal is produced by a method including a step (I) of dispersing or dissolving a complex of an amino group-containing basic polymer and a transition metal ion in an aqueous medium, a step (II) of obtaining a composite having a polymer/titania layered structure in which the complex of the amino group-containing basic polymer and the transition metal ion is sandwiched between layers of titania, by causing a hydrolysis reaction between the aqueous dispersion or aqueous solution prepared in the step (I) and a water-soluble titanium compound in the aqueous medium, and a step (III) of calcining the composite having the layered structure in an air atmosphere at a temperature of 650° C.Type: ApplicationFiled: May 24, 2010Publication date: June 28, 2012Applicants: KAWAMURA INSTITUTE OF CHEMICAL RESEARCH, DIC CORPORATIONInventors: Pei-Xin Zhu, Ren-Hua Jin
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Publication number: 20120153241Abstract: The invention relates to a polymer composition which absorbs infrared radiation (IR), containing a transparent thermoplastic plastic, an inorganic infrared absorber, also referred to as IR absorber hereinbelow, at least one inorganic nano-scale pigment, and the combination of at least two organic colouring agents of a specific structure, and to the preparation and use of the polymer compositions according to the invention and to products produced therefrom.Type: ApplicationFiled: December 15, 2011Publication date: June 21, 2012Applicant: Bayer MaterialScience AGInventors: Alexander Meyer, Gunther Stollwerck, Joerg Reichenauer
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Patent number: 8202994Abstract: The present invention relates to processes for preparing pentarylene- and hexarylenetetracarboximides of the general formula (I) or (Ia) or mixtures thereof, to pentarylene and hexarylenetetracarboximides having a high degree of substitution, and to their use.Type: GrantFiled: October 30, 2007Date of Patent: June 19, 2012Assignee: BASF AktiengesellschaftInventors: Jianqiang Qu, Neil Gregory Pschirer, Ruediger Sens
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Patent number: 8187705Abstract: Manganese vanadium tantalum oxide that can be represented by the formula MnxVyTazOw, where 1?x?3, 0.001?y?3, 0.001?z?2, and w=7, and alternately, x=1.25?x?2.45, 0.1?y?2.39, 0.2?z?1.9, and w=7, methods of producing MnxVyTazOw, a pigment coated with MnxVyTazOw and a chalcogenide glass layer, and a method of producing the coated pigment are described. The disclosed manganese vanadium tantalum oxide has superior near-infrared reflective properties. The disclosed methods of producing the manganese vanadium tantalum oxide provide products with superior phase purity, appearance and performance and take health and safety into consideration. The construction of the disclosed coated pigment combines the reflective properties of the substrate with the near-infrared reflective properties of MnxVyTazOw, while the chalcogenide glass layer provides aesthetic appeal. The disclosed method of producing the coated pigment involves physical vapor deposition of MnxVyTazOw and the chalcogenide glass layer.Type: GrantFiled: July 15, 2010Date of Patent: May 29, 2012Assignee: Silberline Manufacturing Company, Inc.Inventors: Stewart Warrender, Hai Hui Lin, Parfait Jean Marie Likibi, Rajasekar Pitchimani, Devidas Balu Raskar, David Aldous
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Publication number: 20120129090Abstract: The invention relates to a powder composition comprising particles of a) an alkali metal tungsten bronze, b) tungsten oxide, and c) tungsten metal, a method for the preparation of said powder composition, and to the use of said powder composition in form of a dispersion in a polymer material or article for heat shielding, or to increase the heat-input amount of near infrared radiation in processes selected from laser welding of plastics, NIR curing of coatings, drying of printing inks, fixing of ink toners to a substrate, heating of plastic performs, laser marking of plastics or paper.Type: ApplicationFiled: October 14, 2009Publication date: May 24, 2012Applicant: BASF SEInventors: Marc Mamak, Urs Lehmann, Ralf Knischka, Francesca Peri, Adolf Käser
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Publication number: 20120121886Abstract: The present invention provides an infrared reflective coating composition comprising, by weight percentage based on the total dry weight of the composition, 0.1% to 50% polymeric hollow particles, from 0.1% to 70% pigment particles and from 20% to 80% at least one polymeric binder, wherein the volume average particle size of the polymeric hollow particles is from 0.3 to 1.6 ?m; and wherein the volume average particle size distribution of the polymeric hollow particles is such that 90% of particle lies within ±10% of the volume average particle size. The coating composition is suitable for exterior architectural or industrial applications especially as an elastomer roof coating.Type: ApplicationFiled: November 14, 2011Publication date: May 17, 2012Inventors: Qian HUANG, Joseph M. ROKOWSKI, Yang ZHANG
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Publication number: 20120119171Abstract: A near-infrared absorbing dye has an anion of formula (1) wherein A1 is H or CF3, R0 is OH or —OC(?O)—R?, and R? is a monovalent hydrocarbon group. The dye has excellent solvent solubility as well as good optical properties and heat resistance, offering the advantages of easy coating and effective working during film formation. The dye free of heavy metal in its structure is advantageously used in the process of fabricating semiconductor devices.Type: ApplicationFiled: May 16, 2011Publication date: May 17, 2012Inventors: Masaki OHASHI, Takeshi Kinsho, Kazumi Noda, Seiichiro Tachibana
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Patent number: 8178454Abstract: An optical glass includes a substance A generating light of a wavelength ?2 when irradiated with light of a wavelength ?1 and a substance B generating light of a wavelength ?3 when irradiated with light of the wavelength ?1 in the case where the optical glass includes 5-50 ppm Fe with respect to a 100% basic glass composition containing at least, 2-10% SiO2, 5-45% B2O3, and 30-60% La2O3, by weight, or the relation of the wavelength ?1, the wavelength ?2, and the wavelength ?3 is assumed to be ?1<?2<?3 with respect to a 100% basic glass composition containing; at least, 2-10% SiO2, 5-45% B2O3, 30-60% La2O3, 0-15% RO (R=Zn, Sr, Ba), 0-40% Ln2O3 (Ln=Y, Gd), and 0-30% total of ZrO2+Nb2O5+Ta2O5, by weight.Type: GrantFiled: April 4, 2008Date of Patent: May 15, 2012Assignee: Olympus CorporationInventor: Naoyuki Morisada
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Publication number: 20120092758Abstract: A nanocomposite, comprising single-wall and/or multi-wall one-dimensional nanomaterials, and at least one nanooxide of at least one transition metal, said nanooxide filling said nanotubes and covering their walls. A process for preparing such a nanocomposite and an optical limiting device comprising such a nanocomposite in suspension in a medium that is transparent to visible and infrared radiation are disclosed.Type: ApplicationFiled: February 16, 2010Publication date: April 19, 2012Applicants: Institut Franco-Allemand De Recherche De Saint Louis, Centre National De La Recherche Scientifique - CNRSInventors: Valerie Keller-Spitzer, Anne Teissier, Yves Lutz, Jean-Pierre Moeglin, Olivier Muller, Fabrice Lacroix
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Publication number: 20120092759Abstract: A heat-ray shielding glass products (e.g., solar control double glass) which have excellent heat-ray shielding property, especially thermal insulation property and enhanced durability under the condition of existence of moisture (under high humidity), and which can be prepared in low cost is provided. The solar control double glass 40 comprises a solar control glass 30 having a glass plate 21 and a heat-ray reflection layer 24 comprising an electrically-conductive polymer provided thereon and another glass plate 37, the solar control glass and the another glass being arranged at an interval such that the heat-ray reflection layer faces the another glass and the interval forming a hollow layer 38, and the heat-ray reflection layer 24 has a surface resistivity of not more than 10,000?/?.Type: ApplicationFiled: June 24, 2010Publication date: April 19, 2012Applicant: BRIDGESTONE CORPORATIONInventors: Yuji Suzuki, Hiroshi Nakamura
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Patent number: 8157910Abstract: IR reflective cementitious systems comprising one or more IR reflective pigments are provided. The cementitious systems of the invention may be in the form of mixtures which increase the total solar reflectivity (TSR or albedo) and the Solar Reflectance Index (SRI) of concrete are provided. The cementitious systems are infrared reflective and may be toppings mixed with water for application to existing concrete surfaces, or dry-shake hardeners for application to freshly-placed plastic concrete. The formulations of the invention utilize one or more of cementitious binder(s), graded aggregates, super-plasticizers, one or more pigments selected for improving infrared reflectivity and color composition, and/or optionally other additives, such as dry redispersible polymers or fillers to provide decorative and LEED compliant, highly durable (sustainable) concrete hardscapes and other decorative concrete.Type: GrantFiled: September 15, 2010Date of Patent: April 17, 2012Assignee: L. M. Scofield CompanyInventors: Stanley G. Stratton, Phillip J. Arnold, James K. Crawford, Pritam S. Dhaliwai
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NANOMATERIAL HAVING TUNABLE INFRARED ABSORPTION CHARACTERISTICS AND ASSOCIATED METHOD OF MANUFACTURE
Publication number: 20120082848Abstract: A quantum nanomaterial having a bandgap that may be tuned to enable the quantum nanomaterial to detect IR radiation in selected regions including throughout the MWIR region and into the LWIR region is provided. The quantum nanomaterials may include tin telluride (SnTe) nanomaterials and/or lead tin telluride (PbxSn1-xTe) nanomaterials. Additionally, a method of manufacturing nanomaterial that is tunable for detecting IR radiation in selected regions, such as throughout the MWIR region and into the LWIR region, is also provided.Type: ApplicationFiled: February 8, 2011Publication date: April 5, 2012Inventors: Larken Elizabeth Euliss, Adam Franklin Gross, Keith John Davis, Nicole L. Abueg -
Patent number: 8143771Abstract: A filter for a display device includes a base substrate, a shielding film formed based on a single transparent base layer, and an adhesive layer adhering the shielding film onto the base substrate. The shielding film which realizes diverse shielding functions in a single sheet is adhered onto the base substrate through a single process, which serves to improve productivity, reduce manufacturing cost, restrain the occurrence of Haze and improve visibility.Type: GrantFiled: June 10, 2009Date of Patent: March 27, 2012Assignee: Samsung Corning Precision Materials Co., Ltd.Inventors: Dong Keun Shin, Dae Chul Park, Dong Hyun Park, Sang Yoon Oh, Moon Jin Choi, Hwa Yeon Lee
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Publication number: 20120064297Abstract: The present invention provides fine particles for an optical function layer which can provide both high anti-glare properties and high black color reproducibility and give an optical function layer suitably applicable to a high definition display device. The fine particles for being added to a transparent base used in formation of an optical function layer each comprise a core, and a shell covering the core, wherein the fine particles have a mean particle size R that is larger than a wavelength of light entering the optical function layer, a ratio (r/R) of a mean core size r to the mean particle size R is 0.50 or higher, and the shell has a refractive index different from the transparent base and has light-absorbing properties.Type: ApplicationFiled: April 1, 2010Publication date: March 15, 2012Applicant: Dai Nippon Printing Co., Ltd.Inventor: Makoto Honda
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Patent number: 8123850Abstract: A hybrid pigment composition is provided including a pigment or a dye and a fibrous clay. The pigment composition has higher reflectance in a near infrared region than a visible light region of the electromagnetic spectrum. The fibrous clay can be selected from palygorskite, sepiolite, and mixtures thereof. The hybrid pigment composition is tunable to provide high reflectance at a desired wavelength in the near infrared region.Type: GrantFiled: March 10, 2009Date of Patent: February 28, 2012Assignee: Mayan Pigments, Inc.Inventor: Lori Niewold
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Patent number: 8119041Abstract: The present invention provides a two-photon light-emitting compound represented by formula (1), an optical data recording medium comprising a compound represented by formula (1), a two-photon polymerizable composition comprising a polymerizable monomer or polymerizable oligomer and at least compound represented by formula (1), and a photopolymerization process: X2—(—CR4?CR3—)m—C(?O)—(—CR1?CR2—)n—X1??(1) wherein X1 and X2 may be the same or different and each represent a substituted or unsubstituted aryl group or a substituted or unsubstituted heterocyclic group; R1, R2, R3 and R4 each independently represent a hydrogen atom or substituent; some of R1, R2, R3 and R4 may be connected to each other to form at least one ring; and n and m each independently represent an integer of from 1 to 4, with the proviso that when n and m are 2 or more, the plurality of R1's, R2's, R3's, and R4's each may be the same or different.Type: GrantFiled: September 4, 2002Date of Patent: February 21, 2012Assignee: Fujifilm CorporationInventors: Masaharu Akiba, Jun Kawamata
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Patent number: 8114516Abstract: Solar-reflective roofing granules having deep-tone colors are formed by coating base mineral particles with a coating composition including an infrared-reflective pigment. Color is provided by colored infrared pigment, light-interference platelet pigment, or a metal oxide.Type: GrantFiled: July 20, 2010Date of Patent: February 14, 2012Assignee: CertainTeed CorporationInventors: Ming Liang Shiao, Husnu M. Kalkanoglu, Keith C. Hong
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Publication number: 20120021152Abstract: The invention relates to processes for preparing polymer compositions by means of preparations of nanoparticulate IR absorbers, and also to polymer compositions thus prepared. Uses of these polymer compositions, as for example in heat management or in agriculture, more particularly as greenhouse films, are likewise provided by the invention. Additionally provided by the invention are shaped articles, more particularly films, comprising such polymer compositions.Type: ApplicationFiled: February 8, 2010Publication date: January 26, 2012Applicant: BASF SEInventors: Alban Glaser, Johannes Loebel
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Publication number: 20120009416Abstract: An infrared reflection method includes the steps of: preparing an object to be coated; and applying a coloring composition containing an infrared reflective pigment to the object to obtain a black coated object, the infrared reflective pigment having a structure including a metallic substrate, a metal oxide interference layer covering a surface of the metallic substrate, and metallic particles partially covering a surface of the metal oxide interference layer.Type: ApplicationFiled: February 26, 2010Publication date: January 12, 2012Inventors: Gaochao Lai, Yoshiki Hashizume
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Publication number: 20110315939Abstract: A near infrared absorbent dye is provided, having excellent heat resistance and excellent moisture resistance, as is a near infrared shielding filter using the dye. The near infrared absorbent dye contains an association form of a diimmonium salt compound represented by formula (1): wherein R1 to R8 are the same or different and each represents an organic group, and X? represents an anion.Type: ApplicationFiled: February 18, 2010Publication date: December 29, 2011Applicant: Japan Carlit Co., Ltd.Inventors: Akinori Okayasu, Susumu Yamanobe, Masaaki Tamura, Yoji Yamaguchi
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Publication number: 20110311774Abstract: Colored metal particles comprising a) metallic base particles; and b) an insolubilized coating material at least partially covering said particles comprising: an IR-reflective pigment; and a silicate-clay matrix formed from the high-temperature interaction between an alkali metal silicate and kaolin clay; and a method for the preparation thereof.Type: ApplicationFiled: June 9, 2011Publication date: December 22, 2011Inventors: Anit Giri, Ingo B. Joedicke
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Publication number: 20110297899Abstract: There is provided infrared shielding nanoparticles having excellent water-resistant property and excellent infrared shielding property, which is the infrared shielding nanoparticles of composite tungsten oxide expressed by a general formula WyOz and/or a general formula MxWyOz, with an average primary particle size of the nanoparticle being 1 nm or more and 800 nm or less, and a surface of the nanoparticle being coated with tetrafunctional silane compound or its hydrolysis product and/or an organic metal compound.Type: ApplicationFiled: November 13, 2008Publication date: December 8, 2011Applicant: SUMITOMO METAL MINING CO., LTD.Inventor: Atsushi Tofuku
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Publication number: 20110292502Abstract: The present invention relates to a polymer composition which absorbs infrared (IR) radiation, containing a transparent thermoplastic plastic, an inorganic infrared absorber and at least one inorganic nano-scale pigment, and to the preparation and use of the polymer compositions according to the invention, and to products produced therefrom. In particular, the present invention relates to polymer compositions comprising a. at least one transparent thermoplastic material; b. at least one inorganic IR absorber which comprises a tungsten compound and wherein the IR absorber is present in an amount of from 0.0075 wt. % to 0.0750 wt. %, calculated as solids content of tungstate in the total composition; and c. at least one inorganic, nano-scale pigment present in an amount of from 0.0005 wt. % to 0.0035 wt. %, based on the total composition; and d. optionally further additives.Type: ApplicationFiled: May 10, 2011Publication date: December 1, 2011Applicant: Bayer MaterialScience AGInventors: Alexander Meyer, Gunther Stollwerck, Jörg Reichenauer, Andrea Scagnelli, Gianmaria Malvestiti, Massimo Tironi
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Publication number: 20110281086Abstract: An infrared absorbing composition including a compound that is represented by formula (1) and has solubility of 30 mg/mL or less in toluene at 25° C., an organic solvent having a solubility parameter of from 7.3 to 12.1, and a resin is disclosed. In formula (1), each of R1 to R16 independently represents a hydrogen atom or a substituent group, provided that at least one of R1 to R16 represents an R17—X— group or that the compound represented by formula (1) contains at least one condensed-ring structure in which any adjacent two of R1 to R16 form a ring; X represents —S—, —NH—, —NR18—, or —O—; each of R17 and R18 independently represents an aliphatic group or an aryl group; and M represents two atoms selected from the group consisting of hydrogen atoms and monovalent metal atoms, or a divalent metal atom, or a divalent substituted metal atom moiety including a trivalent or tetravalent metal atom and a substituent group.Type: ApplicationFiled: May 12, 2011Publication date: November 17, 2011Applicant: FUJIFILM CORPORATIONInventors: Katsumi KOBAYASHI, Keizo KIMURA
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Publication number: 20110272647Abstract: The present invention relates to a stabilizer combination for stabilizing IR absorbers, comprising a) at least one stabilizer based on phosphine, b) at least one stabilizer based on phosphite, and c) at least one phenolic antioxidant stabilizer.Type: ApplicationFiled: May 10, 2011Publication date: November 10, 2011Applicant: Bayer MaterialScience AGInventors: Alexander Meyer, Michael Wagner, Marc Schinner
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Publication number: 20110272646Abstract: The present invention relates to a composition comprising at least one transparent thermoplastic material; at least one inorganic IR absorber which comprises a zinc-doped caesium tungstate; and optionally at least one stabilizer which is based on phosphine. The present invention also relates to a composition which comprises a thermoplastic polymer material, an inorganic IR absorber, at least one phosphine stabilizer, at least one phosphite stabilizer, and at least one phenolic antioxidant stabilizer.Type: ApplicationFiled: May 10, 2011Publication date: November 10, 2011Applicant: Bayer MaterialScience AGInventor: Alexander Meyer
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Patent number: 8052899Abstract: The present invention relates to heptarylene- and octarylenetetracarboximides of the general formula (I) to precursors thereof or mixtures thereof, and to processes for their preparation and to their use.Type: GrantFiled: October 25, 2007Date of Patent: November 8, 2011Assignees: BASF Aktiengesellschaft, Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V.Inventors: Jianqiang Qu, Neil Gregory Pschirer, Martin Koenemann, Klaus Muellen, Yuri Avlasevic
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Publication number: 20110262863Abstract: A near-infrared absorptive layer is formed from a composition comprising (A) an acenaphthylene polymer, (B) a near-infrared absorbing dye, and (C) a solvent. When a multilayer film comprising the near-infrared absorptive layer and a photoresist layer is used in optical lithography, the detection accuracy of optical auto-focusing is improved, allowing the optical lithography to produce a definite projection image with an improved contrast and succeeding in forming a better photoresist pattern.Type: ApplicationFiled: April 21, 2011Publication date: October 27, 2011Inventors: Seiichiro TACHIBANA, Masaki Ohashi, Kazumi Noda, Shozo Shirai, Takeshi Kinsho, Wu-Song Huang, Dario L. Goldfarb, Wai-Kin Li, Martin Glodde
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Publication number: 20110262862Abstract: A composition comprising (A) a near-infrared absorbing dye of formula (1), (B) a polymer, and (C) a solvent is used to form a near-infrared absorptive layer. In formula (1), R1 and R2 are a monovalent hydrocarbon group which may contain a heteroatom, k is 0 to 5, m is 0 or 1, n is 1 or 2, Z is oxygen, sulfur or C(R?)(R?), R? and R? are hydrogen or a monovalent hydrocarbon group which may contain a heteroatom, and X? is an anion.Type: ApplicationFiled: April 21, 2011Publication date: October 27, 2011Inventors: Masaki OHASHI, Seiichiro Tachibana, Kazumi Noda, Shozo Shirai, Takeshi Kinsho, Wu-Song Huang, Dario L. Goldfarb, Wai-Kin Li, Martin Glodde
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Publication number: 20110250437Abstract: A flat metal particle-containing composition including flat metal particles containing silver and a metal nobler than the silver, wherein the metal nobler than the silver is located near surfaces of the flat metal particles and wherein an amount of the metal nobler than the silver is 10?3 atomic % to 5 atomic % relative to the silver contained in the flat metal particles.Type: ApplicationFiled: March 31, 2011Publication date: October 13, 2011Inventor: Takeshi FUNAKUBO
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Publication number: 20110248225Abstract: Disclosed are potassium cesium tungsten bronze solid solution particles of the formula KxCsyWOz, where x+y?1 and 2?z?3. The particles are for instance micron or nano scaled particles. Also disclosed are organic or inorganic compositions comprising an organic or inorganic substrate and incorporated therein the present potassium cesium tungsten bronze solid solution particles. The substrates are for instance plastics, coatings, inks, adhesives, ceramics or glass. Also disclosed is a method for the preparation of the present potassium cesium tungsten bronze solid solution particles, which method comprises mixing a suitable tungsten source with a salt of potassium and a salt of cesium to form a powder mixture and exposing the powder mixture to a plasma torch under a reducing atmosphere. The present tungsten bronze particles are suitable NIR absorbers and heat shielding additives.Type: ApplicationFiled: June 30, 2010Publication date: October 13, 2011Applicant: BASF SEInventors: Marc Andrew Mamak, Urs Lehmann, Urs Leo Stadler, Ralf Stefan Knischka
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Publication number: 20110240905Abstract: A flat metal particle-containing composition including flat metal particles and a heterocyclic ring compound, wherein the heterocyclic ring compound has a silver interaction potential EAg which is lower than ?1 mV.Type: ApplicationFiled: April 1, 2011Publication date: October 6, 2011Inventors: Takeshi Funakubo, Yoichi Hosoya
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Publication number: 20110233490Abstract: An ultraviolet (UV) and infrared (IR) blocking coating and a method for preparing the same are revealed. The coating provides functions of UV blocking and IR blocking by addition of nanoparticles that blocks UV rays and IR rays, or by other additives with the same functions such as organic/inorganic compounds or dyes.Type: ApplicationFiled: March 26, 2010Publication date: September 29, 2011Applicant: UNIVACCO TECHNOLOGY INC.Inventors: KUO-LUNG TSAI, CHANG-NENG HSIAO, MING-SHENG WANG
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Patent number: 8021573Abstract: The present invention provides a near-infrared-absorbing material including: a luminescent agent, and a near-infrared-absorbing compound obtained by oxidizing a compound represented by the following formula (II): wherein R211, R212, R221, R222, R231, R232, R241 and R242 each independently represent a hydrogen atom, an aliphatic group or an aromatic group; R203, R213, R223, R233 and R243 each independently represent a substituent group; and n203, n213, n223, n233 and n243 each independently represent an integer from 0 to 4.Type: GrantFiled: August 27, 2007Date of Patent: September 20, 2011Assignee: FUJIFILM CorporationInventors: Keizo Kimura, Katsuyoshi Yamakawa, Osamu Uchida
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Publication number: 20110195235Abstract: A near-infrared absorptive liquid dispersion, which contains a near-infrared absorptive compound represented by formula (1) that is dispersed in a form of fine particles in a dispersing medium: wherein R1a and R1b may be the same or different, and each independently represent an alkyl group, an aryl group, or a heteroaryl group; R2 and R3 each independently represent a hydrogen atom or a substituent, and at least one of R2 and R3 is an electron withdrawing group; R2 may be bonded to R3 to form a ring; and R4 represents a hydrogen atom, an alkyl group, an aryl group, a heteroaryl group, a substituted boron, or a metal atom, and R4 may be covalently bonded or coordinately bonded to at least one among R1a, R1b and R3.Type: ApplicationFiled: October 8, 2009Publication date: August 11, 2011Applicant: FUJIFILM CorporationInventors: Shunya Kato, Kazumi Nii