Class / Patent application number | Description | Number of patent applications / Date published |
526259000 | Nitrogen atom is part of a bridged or fused ring system | 26 |
20080287628 | Endosomolytic Poly(Vinyl Ether) Polymers - The present invention is directed to membrane active polymers useful for cellular delivery of compounds. Described are polyconjugates systems that incorporate targeting, anti-opsonization, anti-aggregation, and transfection activities into small biocompatible in vivo delivery conjugates. The use of reversible modification provides for physiologically responsive activity modulation. | 11-20-2008 |
20090023877 | Norbornene monomers with fluorene group and polymer material thereof - Norbornene monomers with fluorene group and polymer material thereof are disclosed. The norbornene monomers with fluorene group are prepared by Diels-Alder reation. The Norbomene monomers containing fluorene groups are highly active for ring-opening-metathesis polymerization (ROMP), and the molecular weight and PDI value of the obtained polymers are controllable. | 01-22-2009 |
20090203867 | METHODS FOR THE SYNTHESIS OF MODULAR POLY(PHENYLENEETHYNYLENES) AND FINE TUNING THE ELECTRONIC PROPERTIES THEREOF FOR THE FUNCTIONALIZATION OF NANOMATERIALS - Poly(aryleneethynylene) polymers for exfoliating and dispersing/solubilizing nanomaterial are provided herein. The poly(aryleneethynylene) polymers have unit monomer portions, each monomer portion having at least one electron donating substituent thereby forming an electron donor monomer portion, or at least one electron withdrawing substituent thereby forming an electron accepting monomer portion. Such polymers exfoliate and disperse nanomaterial without presonication of the nanomaterial. | 08-13-2009 |
20090247717 | NEW DINITRO COMPOUND AND ITS CORRESPONDING DIAMINE CONTAINING HETEROCYCLIC THERMAL STABLE COMPOUND AND ORGANOSOLUBLE POLYIMIDE AND POLYIMIDE COPOLYMER - A polyimide shown in formula (4) is provided. The polyimide is fabricated by performing a polycondensation reaction with diamine compound shown in formula (2) and various commercial or synthesized dianhydride compounds shown in formula (3) as monomers. In addition, polyimide copolymers are synthesized by various ratios of diamines shown in formulas (2), (7) and (8-1) to (8-7) and a dianhydride compound shown in formula (6). In formulas (3) and (4), Ar represents aromatic groups. In formula (6), X represents aromatic groups or alicyclic groups. In formula (7), n=1 to 10. | 10-01-2009 |
20090275717 | Polymerizable water-soluble or alcohol-soluble ultraviolet absorber - The present invention relates to a polymerizable water-soluble or alcohol-soluble ultraviolet absorber, which is represented by the following formula (I): | 11-05-2009 |
20100137538 | ELECTRON-TRANSPORTING POLYMERS - The invention relates to polymers useful in optoelectronic devices and comprising structural unit of formula I: | 06-03-2010 |
20100168359 | TRI-FUNCTIONAL UV-ABSORBING COMPOUNDS AND USE THEREOF - Described herein are tri-functional compounds useful in the production of ophthalmic lenses. The compounds are composed of UV absorber having a polymerization initiator directly or indirectly bonded to the ultraviolet absorber, and an olefinic group directly or indirectly bonded to the ultraviolet absorber. Also described herein are polymers and ophthalmic lenses produced from the tri-functional compounds described herein. | 07-01-2010 |
20100249349 | Novel Polymers - The present invention relates to novel polymers comprising a repeating unit of the formula (I) and their use in electronic devices. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high charge carrier mobilities and high stability of the emission color can be observed, if the polymers according to the invention are used in organic light emitting diodes (OLEDs). | 09-30-2010 |
20100331509 | Carbazole-based hole transport and/or electron blocking materials and/or host polymer materials - This invention relates generally to norbornene-monomer, poly(norbornene)homopolymer, and poly(norbornene)copolymer compounds containing a functionalized carbazole side chain, having desirable solution processability and host characteristics. It also relates to hole transport and/or electron blocking materials, and to organic host materials for an organic luminescence layer, an OLED device, and compositions of matter which include these compounds. | 12-30-2010 |
20110060113 | SWITCHABLE SPECIAL EFFECT SUBSTANCES - A process for altering the absorption of electromagnetic radiation by one or more compounds of the general formulae (I) | 03-10-2011 |
20110251365 | Optical compensation films with disk groups for liquid crystal display - Optical compensation films (positive C-plate) with disk anisotropic subunits (OASUs) that have high positive birefringence throughout the wavelength range 400 nm<λ<800 nm are provided. The optical compensation films may be processed by solution casting to yield a polymer film with high birefringence without the need for stretching, photopolymerization, or other processes. Such optical compensation films are suitable for use as a positive C-plate in LCDs, particularly IPS-LCDs. | 10-13-2011 |
20120108775 | PHOTOCHROMIC POLYESTERS AND METHODS OF PRODUCING PHOTOCHROMIC POLYESTERS - A method for producing a photochromic polyester, the method including: a) providing a reaction solution having at least one ester monomer, a photochromic compound having or functionalized to have at least one hydroxyl group, and a metal-free catalyst; b) reacting the at least one ester monomer and the photochromic compound using the metal-free catalyst to produce a polymeric product, where the polymeric product has a photochromic polyester; and c) separating the polymeric product from the reaction solution. A photochromic polyester includes a photochromic compound covalently linked to a polyester and the polyester is obtained by polymerizing a lactone. | 05-03-2012 |
20120142877 | UV/VISIBLE LIGHT ABSORBERS FOR OPHTHALMIC LENS MATERIALS - Benzotriazole UV/Visible light-absorbing monomers are disclosed. The UV/Vis absorbers are particularly suitable for use in intraocular lens materials. | 06-07-2012 |
20120172556 | POLYMERIZABLE AMBIPOLAR HOSTS FOR PHOSPHORESCENT GUEST EMITTERS - The inventions describe disclosed and described herein relate to polymerizable ambipolar monomers, useful for making polymer or copolymer host materials for guest phosphorescent metal complexes, which together can form emission layers of organic light emitting diodes (OLEDs). Methods of making the ambipolar monomers are also described. Formula (I) wherein at least one of the R | 07-05-2012 |
20120220740 | POLYMERIC ACID CATALYSTS AND USES THEREOF - Polymers useful as catalysts in non-enzymatic saccharification processes are provided. Provided are also methods for hydrolyzing cellulosic materials into monosaccharides and/or oligosaccharides using these polymeric acid catalysts. | 08-30-2012 |
20120245317 | PHOTOCHROMIC MATERIAL - Provided are: a method for controlling the decoloration reaction rate and color density of a fast light-modulating material to levels suitable for practical use; and a fast light-modulating material having a decoloration reaction rate and a color density which are suitable for practical use. A polymer obtained by polymerizing a paracyclophane-bridged hexaarylbisimidazole compound having a radical-polymerizable group, and a copolymer obtained by copolymerizing the compound with a (meth)acrylic acid compound or a sensitizer having a radical-polymerizable group can achieve controlled decoloration reaction rates, photosensitivity and color tones. | 09-27-2012 |
20130072650 | Water-Soluble and Water-Insoluble, Ring Opening Metathesis Polymerization Products, Monomers and Related Methods - The invention provides certain novel water-soluble and water-insoluble monomers for ring opening metathesis polymerization and novel polymers, compositions and products, and related methods thereof. | 03-21-2013 |
20130165609 | POLYMER FOR OPTICAL FILM, METHOD OF PREPARING SAME, AND OPTICAL FILM INCLUDING SAME - A polymer for an optical film including: a repeating unit A including a repeating unit represented by the following Chemical Formula 1; and a repeating unit B derived from a monomer including an unsaturated bond copolymerizable with the repeating unit A: | 06-27-2013 |
20130172503 | OPTICAL FILM AND DISPLAY DEVICE INCLUDING SAME - An optical film including a polymer including a repeating unit A including a repeating unit represented by the following Chemical Formulas 1 to 3, or a combination thereof; and a repeating unit B derived from a monomer having an unsaturated bond copolymerizable with the repeating unit A, wherein the optical film has a short wavelength dispersion of an in-plane phase-difference value (R | 07-04-2013 |
20130231449 | NANOHYBRID POLYMERS FOR OPHTHALMIC APPLICATIONS - The present invention relates to novel materials particularly useful for ophthalmic applications and methods for making and using the same. More particularly, the present invention relates to relatively soft, optically transparent, foldable, high refractive index materials particularly suited for use in the production of intraocular lenses, contact lenses, and other ocular implants and to methods for manufacturing and using the same. | 09-05-2013 |
20130324686 | SOLUBLE PORPHYRIN POLYMERS - Porphyrin polymers of Structure 1, where n is an integer (e.g., 1, 2, 3, 4, 5, or greater) are synthesized by the method shown in FIGS. | 12-05-2013 |
20140288253 | THIOSULFATE POLYMERS - A thiosulfate polymer includes both an electron-accepting photosensitizer component and thiosulfate groups in the same molecule, arranged in random order along the backbone. The thiosulfate polymer composition can be formulated into compositions and applied to various articles, or used to form a predetermined polymeric pattern after photothermal reaction to form crosslinked disulfide bonds, removing non-crosslinked polymer, and reaction with a disulfide-reactive material. Such thiosulfate polymer compositions can also be used to sequester metals in nanoparticulate form, and as a way for shaping human hair in hairdressing operations. | 09-25-2014 |
20150094437 | CROSSLINKABLE ARYLAMINE COMPOUNDS - Arylamine compounds comprising an arylamine core and at least one addition-polymerizable group X selected from the group consisting of formula (A); said addition polymerizable group attached to one ring of the arylamine core through a spacer of general formula (1): C(R | 04-02-2015 |
20160036066 | Metal Phthalocyanine Polymer and Electrode Catalyst Produced Using the Same, and Producing Methods Thereof - The present invention is a metal phthalocyanine polymer comprising a repeating structural unit obtained by amide bonding of a structural unit represented by general formula (1a) to a structural unit represented by general formula (2a). | 02-04-2016 |
20160060377 | NANOMODIFIED BACKBONES FOR POLYIMIDES WITH DIFUNCTIONAL AND MIXED-FUNCTIONALITY ENDCAPS - Polyimides containing a backbone with at least one nanoparticle component and made from oligomers having endcaps that are difunctional or a mix of di- and monofunctionality are provided. The endcaps may be nadic or phenylethynyl. The backbone may be wholly inorganic or made from a mixture of inorganic and organic groups. The oligomers may be created in-situ using standard polymerization of monomeric reactants chemistry using a solvent or may be provided as a pre-imidized compound that may be either a solid or liquid. It is believed that the nanoparticle component of the polymer backbone provides superior thermo-oxidative stability verses unmodified organic backbones. It is further believed that providing difunctional or a mixture of di- and monofunctional endcaps allows for increased crosslinking to provide improved strength and stiffness verses wholly monofunctional endcapped oligomers for polyimides. The nanoparticle is part of the backbone of the polymer and not solely a pendant group. | 03-03-2016 |
20160200851 | Optical Film Having Reverse Wavelength Dispersion and Display Device Including the Same (As Amended) | 07-14-2016 |