Abstract: Dual-functional nonfouling surfaces and materials, methods for making dual-functional nonfouling surfaces and materials, and devices that include dual-functional nonfouling surfaces and materials. The dual-functional surfaces are nonfouling surfaces that resist non-specific protein adsorption and cell adhesion. The dual-functional surfaces and materials include covalently coupled biomolecules (e.g., target binding partners) that impart specific biological activity thereto. The surfaces and materials are useful in medical diagnostics, biomaterials and bioprocessing, tissue engineering, and drug delivery.
Type:
Grant
Filed:
December 30, 2016
Date of Patent:
August 28, 2018
Assignee:
University of Washington
Inventors:
Shaoyi Jiang, Zheng Zhang, Shengfu Chen, Hana Vaisocherova
Abstract: A thermosetting resin composition includes a thermosetting resin containing a benzoxazine compound, and a curing accelerator containing a triazine thiol compound. The thermosetting resin contains 0.4 or less equivalents of an epoxy resin relative to one equivalent of the benzoxazine compound.
Abstract: The present invention relates to a liquid (meth)acrylic syrup, its method of polymerization and article obtained thereof. In particular the present invention deals with a liquid (meth)acrylic syrup comprising an initiation system for polymerization at low temperature. More particularly the present invention relates to a liquid (meth)acrylic syrup comprising an initiator system for polymerization at low temperature, said initiating system comprises at least one accelerator, at least one organic aldehyde, at least one peracid and at least one liquid peroxy compound; an impregnation process for a fibrous substrate, the liquid (meth)acrylic syrup for implementing this process, and the obtained impregnated fibrous substrate. The impregnated fibrous substrate is suitable for manufacturing mechanical or structured parts or articles.
Abstract: The present invention relates to a composition comprising (?) at least one inorganic binder and (?) at least one water-soluble copolymer based on (a) 0.1 to 20 wt % of at least one monomer of the formula (I) and (b) 25 to 99.9 wt % of at least one hydrophilic monomer (b) which is different from monomer (a), where the at least one copolymer has a molar mass average M of 1 500 000 to 30 000 000 g/mol. Furthermore, a process for producing this composition is disclosed. A further aspect of the present invention is the use of the copolymer of component (?) as rheological additive in a composition of the invention.
Type:
Grant
Filed:
June 12, 2015
Date of Patent:
July 31, 2018
Assignee:
BASF SE
Inventors:
Björn Langlotz, Thomas Gastner, Torben Gädt, Oliver Mazanec, Michael Schinabeck, Diana Eissmann, Stefan Friedrich
Abstract: An uncured branched polyester-urethane resin prepared by free radical polymerization of an unsaturated polyester prepolymer having a polyol segment, an unsaturated polycarboxylic acid and/or an anhydride and/or ester thereof, and a urethane segment, wherein the polymerization occurs primarily by reaction of the unsaturation is disclosed. Coatings comprising the same are also disclosed, as are substrates coated at least in part with such coatings.
Type:
Grant
Filed:
December 14, 2015
Date of Patent:
July 31, 2018
Assignee:
PPG industries Ohio, Inc.
Inventors:
Francesco Ciaccio, Annamaria Antonaci, Eddy Bonello, Stephane Schoch, Wolfgang Klaeger, Beate Seiler, José Camerano, Debra L. Singer, John E. Schwendeman, Shanti Swarup
Abstract: A process of forming a matrix-bondable polylactide includes forming a methylidene lactide molecule from an L-lactide molecule. The process includes forming a functionalized lactide monomer from the methylidene lactide molecule. The process also includes forming a lactide feedstock that includes at least the functionalized lactide monomer. The process further includes polymerizing the lactide feedstock to form the matrix-bondable polylactide.
Type:
Grant
Filed:
March 8, 2017
Date of Patent:
July 31, 2018
Assignee:
International Business Machines Corporation
Inventors:
Brandon M. Kobilka, Joseph Kuczynski, Jacob T. Porter, Jason T. Wertz
Abstract: Polyester polyols are generally disclosed, including methods of making and using them. In some embodiments, the polyester polyols are incorporated into a block copolymer, such as a polyurethane block copolymer. In some embodiments, the polyurethane block copolymers can be used as compatibilizing agents, which can be used, for example, in polymer blends, polymer alloys, solutions, emulsions, as well as in extruded and injection molded articles. In some embodiments, at least a portion of the polyurethane block copolymer is derived from a renewable source.
Type:
Grant
Filed:
June 23, 2016
Date of Patent:
July 24, 2018
Assignee:
Elevance Renewable Sciences, Inc.
Inventors:
Allyson Beuhler, Debra Tindall, Kamlesh Mody, Donald A. Meltzer
Abstract: The present invention provides methods for producing block copolymers, either by the sequential addition of monomers, or using a “one-pot” method. The invention also relates to novel methods for producing polyesters by ring opening lactides and/or lactones and by copolymerizing anhydrides and epoxides.
Type:
Grant
Filed:
May 16, 2014
Date of Patent:
July 24, 2018
Assignee:
Imperial Innovations Limited
Inventors:
Charlotte Katherine Williams, Charles Romain, Michael Kember
Abstract: A polyester-containing object, such as an injection stretch blow molded bottle, a biaxially oriented film or a drawn fiber, is made from melt-processing poly(ethylene-2,5-furandicarboxylate). The poly(ethylene-2,5-furandicarboxylate) has a number average molecular weight of at least 25,000, as determined by GPC based on polystyrene standards, and includes an antimony catalyst.
Type:
Grant
Filed:
November 16, 2016
Date of Patent:
July 24, 2018
Assignee:
Furanix Technologies B.V.
Inventors:
Laszlo Sipos, Gerardus Johannes Maria Gruter, Jeffrey John Kolstad, Matheus Adrianus Dam
Abstract: An object of the present invention is to: improve slowness of crystallization that is a drawback of polyhydroxyalkanoate; suppress bloom of a nucleating agent or the like; and improve surface smoothness and mold transferability of an obtained molded body. The present invention provides an aliphatic polyester resin composition including polyhydroxyalkanoate (A), pentaerythritol (B), and a filler (C).
Abstract: A polymeric material includes a semi-crystalline polymer and a secondary material wherein when the secondary material is combined with the semi-crystalline polymer to form a blend having an enthalpy that is between about 2 J/g heat of fusion and about 80% of the heat of fusion of the neat semi-crystalline material, as measured by differential scanning calorimetry (DSC) when cooling from a melting temperature to a hot crystalline temperature at a rate of 10° C./min.
Abstract: An adhesive composition containing cottonseed protein, and one or more of the following components: (i) soy protein, (ii) a polysaccharide, and (iii) at least one modifier selected from a carboxylic acid, a dicarboxylic acid, a phosphorus-containing acid or ester, a cationic amino acid, a quaternary ammonium salt, or mixtures thereof.
Type:
Grant
Filed:
December 15, 2016
Date of Patent:
July 17, 2018
Assignee:
The United States of America, as Represented by the Secretary of Agriculture
Inventors:
Huai N Cheng, Catrina V. Ford, Michael K Dowd, Zhongqi He
Abstract: The present invention provides an aqueous emulsion and a process for preparing an aqueous emulsion of a midblock sulfonated styrenic block copolymer comprising at least two non-sulfonated polymer end-blocks A and at least one 5 sulfonated block B comprising the steps of providing a cement of a midblock sulfonated styrenic block copolymer in a non-polar solvent wherein the non-polar solvent is a hydrocarbon compound comprising from 5 to 12 carbon atoms with a boiling point of less than 100 degree Celsius or mixture of such compounds, mixing the cement with a co-solvent to form a mixture, emulsifying the mixture optionally in the 10 presence of an emulsifier with water to produce an emulsion, and removing the hydrocarbon solvent and optionally the co-solvent from the emulsion to produce the aqueous emulsion. The resulting emulsion of the midblock sulfonated styrenic block copolymer has relatively small particle diameters.
Abstract: Click thiol-X monomers and polymers containing such monomers are disclosed. The clickable sequence controllable monomers include an optionally protected thiol moiety; an optionally protected Michael acceptor moiety; a primary functional side chain and one ore more secondary functional side chains. A clickable sequence controllable monomer, can have the structure: wherein independently Y and Z are atoms having a valence electrons of 3 or more; n is a integer from 0-10; m is a integer from 0-10; x is a integer from 0-10; PFS is a functional group SFSi; SFS2; and SFS3 are independently a combination of hydrogen, hydroxyl, aromatic, amine, carboxyl, and carbonyls, optionally substituted to form hydrophilic, hydrophobic, amphiphilic, or charged (positive or negative or both) side chains; T is an optionally protected thiol; and TCA is an optionally protected thiol-click acceptor. Methods of using such polymers are also disclosed.
Type:
Grant
Filed:
February 6, 2015
Date of Patent:
July 10, 2018
Assignee:
THE REGENTS OF THE UNIVERSITY OF COLORADO, A BODY CORPORATE
Inventors:
Christopher N. Bowman, Christopher J. Kloxin, Weixian Xi, Tao Gong, Sankha Pattanayak
Abstract: A number of variations may include a product that may include a part that may include a composite material that may include a plurality of tubes that may include a plurality of fibers arranged in a generally tubular shape and having at least two sizings temporarily capping the ends of the plurality of tubes and containing a resin.
Type:
Grant
Filed:
March 17, 2015
Date of Patent:
July 3, 2018
Assignee:
GM Global Technology Operations LLC
Inventors:
Bhavesh Shah, Joseph M. Polewarczyk, Hesham A. Ezzat
Abstract: The present application relates to a polymer composition as defined in claims comprising (A) a polymer base resin, which comprises a blend of (A-1) a multimodal ethylene polymer and (A-2) an ethylene polymer, and carbon black, a drip irrigation pipe comprising said polymer composition, a process for producing said drip irrigation pipe, pellets comprising said polymer composition and the use of said polymer composition for producing said drip irrigation pipe.
Type:
Grant
Filed:
November 7, 2013
Date of Patent:
July 3, 2018
Assignees:
BOREALIS AG, ABU DHABI POLYMERS CO. LTD (BOROUGE) L.L.C.
Abstract: A method for producing a lactide block copolymer, to a lactide block copolymer and to an article including the lactide block copolymer. In particular, the instant invention relates to an improved lactide block copolymer which may be obtained by providing a polymer of a first lactide monomer including a residual amount of the first monomer, adding and polymerizing a first amount of a second monomer of opposite chirality and subsequently adding and polymerizing a second amount of the second monomer. The resulting lactide block copolymer generally has a high melting point (e.g. from 190 to 250° C.).
Abstract: One aspect of the invention relates to a hydrogel comprising a non-natural polymer comprising a plurality of pendant nucleophilic groups and a crosslinker comprising at least two pendant electrophilic groups. Another aspect of the invention relates to a hydrogel comprising a non-natural polymer comprising a plurality of pendant electrophilic groups and a crosslinker comprising at least two pendant nucleophilic groups. Yet another aspect of the invention relates to a method for reducing lung volume in a patient comprising the step of administering a hydrogel composition as described herein. Further, hydrogels of the invention may be used to achieve pleurodesis, seal brochopleural fistulas, seal an air leak in a lung, achieve hemostasis, tissue sealing (e.g., blood vessels, internal organs), or any combination thereof. In certain embodiments, the compositions and methods described herein are intended for use in the treatment of patients with emphysema.
Type:
Grant
Filed:
February 6, 2017
Date of Patent:
June 19, 2018
Assignee:
Pulmonx Corporation
Inventors:
Edward P. Ingenito, James A. Krom, Alexander Schwarz, Larry W. Tsai