Abstract: The disclosure relates to compositions comprising a non-fluorescent component of a polymer dye such as a monomeric component of a polymer dye, a photo-bleached polymer dye, and/or a polymer dye comprising a quenching moiety, for reducing non-specific interactions of polymer dye conjugates, for example, in Flow Cytometric Analysis of a biological sample. Methods for using such compositions, and kits comprising such compositions are also provided.

Abstract: The present disclosure provides fused dihydrophenanthrene (DHP) monomers and fluorescent fused DHP polymers, water-soluble fluorescent polymers and copolymers, water-soluble fluorescent polymer complexes, and their use in methods for detecting an analyte in a sample.

Abstract: Water-soluble photoactive polymers, included polymer tandem dyes, as described as well as methods for their preparation and use. The photoactive polymers can be prepared by direct modification of core polymers (e.g., violet excitable polymers) with dyes or other functional groups. Methods of detecting analytes using the polymers are also described.

Abstract: Water-soluble photoactive polymers, included polymer tandem dyes, as described as well as methods for their preparation and use. The photoactive polymers can be prepared by direct modification of core polymers (e.g., violet excitable polymers) with dyes or other functional groups. Methods of detecting analytes using the polymers are also described.

Abstract: The present invention relates to photochromic indeno fused phenanthrenopyran compounds represented by the following Formula (I). With some embodiments, the photochromic compounds represented by Formula (I) include at least one lengthening group (e.g., R6 and/or R7 each independently being a lengthening group) and the compounds of the present invention are photochromicdichroic compounds. The present invention also relates to photochromic compositions and photochromic articles, such as photochromic ophthalmic articles that include one or more photochromic compounds represented by Formula (I).

Abstract: Water-soluble photoactive polymers, included polymer tandem dyes, as described as well as methods for their preparation and use. The photoactive polymers can be prepared by direct modification of core polymers (e.g., violet excitable polymers) with dyes or other functional groups. Methods of detecting analytes using the polymers are also described.

Abstract: The present invention relates to photochromic indeno fused phenanthrenopyran compounds represented by the following Formula (I). With some embodiments, the photochromic compounds represented by Formula (I) include at least one lengthening group (e.g., R6 and/or R7 each independently being a lengthening group) and the compounds of the present invention are photochromicdichroic compounds. The present invention also relates to photochromic compositions and photochromic articles, such as photochromic ophthalmic articles that include one or more photochromic compounds represented by Formula (I).

Abstract: The present invention relates to photochromic compounds, such as thienochromene compounds represented by the following Formulas (1a) and/or (1b). The present invention also relates to photochromic compositions and articles containing one or more such photochromic thienochromene compounds.

Abstract: A multilayer photochromic article can include a photochromic substrate, which may include a first photochromic layer defining a surface of the substrate, and a second photochromic layer positioned between the surface of the photochromic substrate and a source of actinic radiation, and in which the photochromic substrate and the second photochromic layer are selected such that the fade half-life of the photochromic substrate or the half-life of the first photochromic layer defining the surface of the substrate are greater than the fade half-life of the second photochromic layer.

Abstract: A multilayer photochromic article can include a photochromic substrate, which may include a first photochromic layer defining a surface of the substrate, and a second photochromic layer positioned between the surface of the photochromic substrate and a source of actinic radiation, and in which the photochromic substrate and the second photochromic layer are selected such that the fade half-life of the photochromic substrate or the half-life of the first photochromic layer defining the surface of the substrate are greater than the fade half-life of the second photochromic layer.

Abstract: The present invention relates to methods of preparing fused ring indeno compounds that involves reacting together a dienophile and a lactone compound, in the presence of a catalyst, and a carboxylic acid anhydride.

Abstract: The present invention relates to methods of preparing fused ring indeno compounds that involves reacting together a dienophile and a lactone compound, in the presence of a catalyst, and a carboxylic acid anhydride.

Abstract: The present invention relates to methods of preparing fused ring indeno compounds that involves reacting together a dienophile and a lactone compound, in the presence of a catalyst, and a carboxylic acid anhydride.

Abstract: The present invention relates to photochromic indeno-fused ring pyran compounds represented by the following Formula (I-A): The present invention also relates to photochromic dichroic compounds, such as represented by Formula (I-A), in which (i) Z2 is a group N—R13 in which R13 is a group L, and (ii) optionally at least one R1 independently for each n is selected from a group L, in which the group L independently in each case is a lengthening group that provides the photochromic compound with dichroic properties, in accordance with some embodiments. The present invention also relates to photochromic articles, such as photochromic ophthalmic articles, that include one or more photochromic compounds according to the present invention, such as represented by Formula (I-A).

Abstract: The present invention relates to methods of preparing fused ring indeno compounds that involves reacting together a dienophile and a lactone compound, in the presence of a catalyst, and a carboxylic acid anhydride.

Abstract: The present invention relates to photochromic indeno-fused ring pyran compounds represented by the following Formula (I-A): The present invention also relates to photochromic dichroic compounds, such as represented by Formula (I-A), in which (i) Z2 is a group N—R13 in which R13 is a group L, and (ii) optionally at least one R1 independently for each n is selected from a group L, in which the group L independently in each case is a lengthening group that provides the photochromic compound with dichroic properties, in accordance with some embodiments. The present invention also relates to photochromic articles, such as photochromic ophthalmic articles, that include one or more photochromic compounds according to the present invention, such as represented by Formula (I-A).

Abstract: The present invention relates to intermediate compounds represented by the following Formula (I-A), The intermediate compounds of the present invention, such as represented by Formula (I-A), can be used to prepare photochromic compounds, such as photochromic fused ring indenopyran compounds, including but not limited to photochromic fused ring indeno-naphtho-pyran compounds.

Abstract: The present invention relates to intermediate compounds represented by the following Formula (I-A), The intermediate compounds of the present invention, such as represented by Formula (I-A), can be used to prepare photochromic compounds, such as photochromic fused ring indenopyran compounds, including but not limited to photochromic fused ring indeno-naphtho-pyran compounds.

Abstract: The present invention relates to photochromic materials that include one or more indeno-fused naphthopyrans that have particular groups at the 7, 11, and 13 positions thereof, and at the position alpha to the oxygen of the pyran ring thereof. With some embodiments, hydrogen or an alkoxy group is bonded to the 7 position, an optionally substituted phenyl is bonded to the 11 position, two alkyl groups are bonded to the 13 position, and two optionally substituted phenyl groups are bonded to the position alpha to the oxygen of the pyran ring of the indeno-fused naphthopyran compound. The 13 position of the indeno-fused naphthopyrans is free of ether groups in which an ether oxygen is bonded to the 13 position, and hydroxyl. The present invention also relates to photochromic articles and compositions that include such indeno-fused naphthopyrans.

Abstract: Described herein are compounds generally comprising an indeno[2?,3?:3,4]naptho[1,2-b]pyran structure. Such compounds may be useful for their photochromic properties, and be used in certain photochromic compositions. Such compositions may further comprise other photochromic compositions and/or materials. Additionally, such compounds and/or compositions may be suitable for preparing certain photochromic articles.