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WO/2021/232660A1 |
Disclosed are a multistable dual-erasable anti-counterfeiting method with a continuously controllable reflection color, and the use thereof in the field of optical information coding. The method and the use have the characteristics of a ...
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WO/2021/234283A1 |
The present invention relates to a coating of the surface of an electrical household appliance comprising a decoration (a) comprising a pigmentary compound B1VO4 having a ΔΕ* in the coating greater than or equal to 11 between ambient t...
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WO/2021/235546A1 |
The fluorenylidene-acridane derivative has a structure represented by formula (1) (where at least one among R1-R16 is an organic group, the remainder being hydrogen atoms or organic groups, and R17 is a hydrogen atom or an organic group).
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WO/2021/220310A1 |
The present invention concerns a multi-responsive piezochromic pigment for colouring or dyeing a textile support surface to be marked or identified, comprising: - an inorganic matrix having a lamellar conformation, - an organic filler co...
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WO/2021/176574A1 |
The present invention aims to provide: a composition and coloring agent that the water or a liquid containing water can cause to change color as clearly as possible; a production method for said coloring agent; a color-changeable body th...
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WO/2021/176755A1 |
This dithienophosphorine compound having a cation represented by the formula (wherein Y represents an oxygen atom or a sulfur atom; R1 represents a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, an aryl group or a het...
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WO/2021/172513A1 |
Provided is a moisture curable polyurethane composition that is a moisture curable polyurethane having an isocyanate group on one end of a molecule thereof. The moisture curable polyurethane composition contains a moisture curable polyur...
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WO/2021/172511A1 |
The present invention provides: a photochromic curable composition which contains (A) a (meth)acrylate composition that contains from 24 to 100% by mass of a polyfunctional (meth)acrylate which has three or more (meth)acryloyl groups in ...
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WO/2021/167027A1 |
This photochromic cyclic compound is represented by formula (1). In the formula, L is a divalent bridging group and PC is a divalent T-type photochromic base structure group including a naphthopyran structure, one end of the bridging gro...
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WO/2021/152077A1 |
Compositions and methods of making said compositions and articles or products comprising or formed from said compositions.
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WO/2021/132373A1 |
Disclosed is a rare earth complex which comprises one or more rare earth ions and a ligand that forms a coordinate bond with the rare earth ions. At least some of the rare earth ions are at least one type selected from the group consisti...
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WO/2021/129941A1 |
The present invention is directed to a curable photochromic composition including (a) a photochromic compound; (b) a segmented polymer having active hydrogen groups, at least one first segment, and at least one second segment, wherein (i...
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WO/2021/132049A1 |
Provided is a polymerizable composition for forming a protective layer on a photochromic article, the composition comprising one or more types of (meth)acrylate and at least 70.0 mass% of alicyclic bifunctional (meth)acrylate with respec...
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WO/2021/132050A1 |
Provided is an optical article including, in the following order: a base material; a primer layer obtained by curing a polymerizable composition for forming a primer layer; and a photochromic layer obtained by curing a (meth)acrylate-bas...
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WO/2021/129940A1 |
The present invention relates to curable photochromic compositions which include an at least di-functional oxazoline functional material, an at least di-functional first carboxylic acid functional material, an optional second carboxylic ...
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WO/2021/110794A1 |
The present invention relates to a photoinduced thermochromic or thermoluminescent composition, comprising: a) nanoparticles capable of absorbing near-infrared (NIR) radiation and converting the NIR radiation into heat, in particular met...
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WO/2021/105491A1 |
The invention relates to a feeding bottle comprising a color change indicator made of thermochromic pigments for the purpose of temperature control, and production and use of said indicator.
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WO/2021/088169A1 |
The present invention provides a material having a thermochromic effect and a preparation method therefor, and a thermochromic smart window. The method comprises the following steps: carrying out a hydrothermal reaction on raw materials ...
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WO/2021/075456A1 |
A photochromic compound according to the present invention is characterized by comprising at least two monovalent photochromic basic structural groups PC that include a T-type photochromic site, wherein the photochromic base structural g...
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WO/2021/075383A1 |
A photochromic hydroxyurethane compound according to the present invention is characterized by having a hydroxyurethane constituent unit represented by formula (1) on condition of having at least one photochromic site, which is a photoch...
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WO/2021/058970A1 |
A method of identifying a first object, the method comprises: providing a first object comprising a material, the material comprising a polymer and a luminescent compound; and detecting an absorption and/or excitation and/or emission spe...
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WO/2021/058114A1 |
The present invention relates to a photochromic compound having a core fused ring structure represented by at least one of the following Formula (Ia) or Formula (IIa), (Ia) (IIa) Independently for each of Formula (Ia) and Formula (IIa): ...
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WO/2021/059505A1 |
This diarylethene compound is represented by formula (1). This temperature indicator includes said diarylethene compound. This temperature display device includes said temperature indicator. This package has said temperature display device.
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WO/2021/051231A1 |
Disclosed is a new class of photo-responsive coordination compounds with at least one photochromic unit on a coordinating ligand. The photo-responsive coordination compounds are shown to be capable of acting as electroactive materials fo...
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WO/2021/047132A1 |
Disclosed is a fluorescent color-changing material having a chemical formula represented by [PPy3Cu2I2]n, where PPy3 is tris(pyridyl)phosphine. Also disclosed are a preparation method of the fluorescent color-changing material and an app...
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WO/2021/044264A1 |
The present disclosure provides oxadiazaborinine (ODB) dyes represented by Formula (I) wherein each of R1 through R7 are independently selected from the group consisting of hydrogen, halogen, alkyl, cycloalkyl, aryl, arylalkyl, acyl, gro...
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WO/2021/043982A1 |
The present invention is related to the detection of formaldehyde concentrations in the air by using a coordination polymer, which comprises repeating coordination complexes with an octahedral geometry, wherein said coordination complex ...
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WO/2021/037374A1 |
Provided is a curable photochromic coating composition including (a) a polyol component, (b) a poly(anhydride) having at least three cyclic anhydride groups, (c) a secondary crosslinker, and (d) a photochromic material. The polyol compon...
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WO/2021/005003A1 |
The present invention relates to a method for producing a photochromic oxy-hydride material as well as a photochromic component. The method comprising the steps of: - first the formation on a substrate of a layer of an essentially oxygen...
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WO/2020/261961A1 |
The present invention provides a chromene compound which can exhibit excellent photochromic properties. The chromene compound of the present invention is represented by formula (1). In the formula, at least one of R1 and R2 represents a ...
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WO/2020/237730A1 |
A polyimide, a preparation method therefor, and an electrochromic component, where a polyimide material is provided with a cage-like silsesquioxane as a capping group. Oligoaniline and fluorescent triphenylamine fragments are introduced ...
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WO/2020/242314A1 |
Described are thermochromic materials. Described thermochromic materials include materials comprising vanadium (IV) oxide and a solid component obtained from a precursor having film-forming properties. Also described are preparation meth...
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WO/2020/222234A1 |
This invention relates to multi-color electrochromic devices and to methods of use thereof. The invention also relates to a process of preparation of the electrochromic devices.
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WO/2020/222894A1 |
Water soluble light harvesting multichromophores having a plurality of pendant chromophore groups are provided. Water soluble light harvesting multichromophores according to certain embodiments are polymers that include a polymeric backb...
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WO/2020/208529A1 |
A low dimerizing electrochromic compound for use in electrochromic mediums and electro-optic elements incorporating said electrochromic mediums is provided. The low dimerizing electrochromic compound is represented by Formula (I): (I) wh...
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WO/2020/204176A1 |
A photochromic optical article in which a pair of optical article plates are bonded to each other via an adhesive layer containing a photochromic compound and at least one resin selected from among a urethane resin, an epoxy resin and an...
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WO/2020/198868A1 |
A diarylethene compound reversibly convertible under photochromic and electrochromic conditions between a ring-open isomer of Formula (1A) and a ring-closed isomer of Formula (IB) wherein R5 is a substituted phenyl ring and Re is a subst...
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WO/2020/203864A1 |
Provided is a coating composition for optical articles which comprises a photochromic compound and two or more (meth)acrylates, wherein the two or more (meth)acrylates comprise an alicyclic bifunctional (meth)acrylate and an acyclic, tri...
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WO/2020/195185A1 |
A composite member (100) includes a matrix part (10) constituted from an inorganic substance, and an organic-based thermochromic material (20) existing in a dispersed state in the matrix part, the porosity in a cross section of the matri...
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WO/2020/196073A1 |
[Problem] To provide a reversible thermochromic microcapsule pigment that exhibits such reversible thermochromic behavior that the pigment easily turns from a colorless state to a color-developing state when being heated in a living envi...
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WO/2020/175245A1 |
Provided are nanoparticle that are for a photochromic material and that can be used to produce a photochromic material which undergoes a photochromic reaction having a quick reaction time. The nanoparticles for a photochromic material ar...
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WO/2020/175254A1 |
[Problem] To reversibly change the color of a surface of an object using a photochromic substance. [Solution] A photochromic substance 3 is layered on a surface section 1 of an object, and then when the surface of the layered photochromi...
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WO/2020/158813A1 |
This method for producing a polymerizable composition for an optical material includes a step A for mixing a polyisocyanate compound (i), a polymer (ii) represented by general formula (ii), a photochromic compound (iii), and an internal ...
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WO/2020/137469A1 |
A photochromic composition comprising: a naphthopyran-based photochromic compound having a specific structure; and an oligomer.
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WO/2020/126032A1 |
Provided is a photochromic indolenaphthopyran compound having the skeletal structure of Formula (I): wherein R1 and R2 each independently have a steric bulk A, wherein at least one of R1 or R2 has a steric bulk A of at least 0.6, R3 and ...
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WO/2020/126030A1 |
Provided is a photochromic indolenaphthopyran having the core skeletal structure of Formula (I): wherein R1 and R2 are each independently substituted or unsubstituted alkyloxy, substituted or unsubstituted aryloxy, substituted or unsubst...
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WO/2020/112748A1 |
Method of making color changing inkjet inks for security printing applications use photochromic materials that cause the inkjet ink to print marks that are colorless under ambient light and appear in a color when exposed to sunlight or U...
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WO/2020/095127A1 |
Example electrophoretic dispersions for use in electrophoretic displays are provided. An example electrophoretic dispersion includes a first chemical entity and a second chemical entity. The first and second chemical entities are to be i...
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WO/2020/092390A1 |
Various photocrosslinkable electrochromic polymers are disclosed. The polymers are suitable for an electrochromic layer of an electrochromic device. The polymers are formed with a two-step synthesis method that includes forming a polymer...
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WO/2020/080784A1 |
The present specification relates to a compound represented by chemical formula 1, and provides a display device, a back light unit, and a color conversion film using the compound as a fluorescent material, which can improve the luminanc...
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