Abstract: A resin composition and a filter element are provided. The resin composition includes a black coloring agent (A), an ethylenically-unsaturated monomer (B), a solvent (C), a resin (D), and a photoinitiator (E). The black coloring agent (A) includes a titanium black (A-1) and a carbon black (A-2). Based on a total usage amount of 100 parts by weight of the titanium black (A-1) and the carbon black (A-2), a usage amount of the titanium black (A-1) is 50 parts by weight to 75 parts by weight.
Abstract: A laundry detergent composition containing an ethylene oxide-propylene oxide-ethylene oxide (EO/PO/EO) triblock copolymer and a lipase enzyme and use of an ethylene oxide-propylene oxide-ethylene oxide (EO/PO/EO) triblock copolymer and lipase enzyme in the laundry detergent composition.
Type:
Grant
Filed:
December 18, 2020
Date of Patent:
May 30, 2023
Assignee:
The Procter & Gamble Company
Inventors:
Steven George Patterson, Jean-Pol Boutique, Johan Maurice Theo De Poortere, Nazarmohammad Gulamhussain Momin
Abstract: The invention relates to a process for treating food, in particular for curing meat, comprising adding to the food a compound of Formula III, which is a derivative of S-nitroso-cysteine. Use of the compound of Formula III as food preservative and compositions for curing meat are also provided by the invention.
Type:
Grant
Filed:
July 31, 2018
Date of Patent:
April 25, 2023
Assignee:
YISSUM RESEARCH DEVELOPMENT COMPANY OF THE HEBREW UNIVERSITY OF JERUSALEM LTD.
Inventors:
Oren Tirosh, Joseph Kanner, Adi Spaizer-Katzenelson
Abstract: Metal oxide having a surface onto which a multitude of individual polymers are grafted, each polymer comprising an addition polymer having a first and a second end, and a first moiety comprising a terminal phosphonate group, which first moiety is bonded to the first end, which phosphonate group attaches to the metal oxide surface in such a way that the multitude of the grafted polymers comprises at least one group of adjacent polymers that have a stretched chain conformation wherein the adjacent stretched chains have a substantially parallel orientation, such that the polymers within said group together form a brush structure. Method of grafting a multitude of individual polymers onto a surface of a metal oxide.
Type:
Grant
Filed:
May 21, 2020
Date of Patent:
February 28, 2023
Assignee:
The Antenna Company International N.V.
Inventors:
Johan Leo Alfons Gielis, Maurizio Crippa
Abstract: Provided is a resin composition for an acoustic matching layer, the resin composition including metal particles (A), an epoxy resin (B), a polythiol compound (C), and a cure-accelerating compound (D). The epoxy resin (B) includes at least one epoxy resin selected from the group consisting of bisphenol A epoxy resins, bisphenol F epoxy resins, and phenol novolac epoxy resins, and the polythiol compound (C) includes a compound having at least two specific partial structures. Also provided are a cured product formed of the composition, an acoustic matching sheet, an acoustic probe, an acoustic measuring apparatus, and a method for producing an acoustic probe. Further provided is an acoustic matching layer material set suitable for preparation of the composition.
Abstract: A silicon-containing polymer which results in a composition that forms a coated film having good adhesive properties to a substrate and does not easily peel off the substrate, a film-forming composition including the polymer, a method for forming a silicon-containing polymer coating using the composition, a method for forming a silica-based coating using the composition, and a production method for the polymer. In a silicon-containing polymer including at least one of poly- or oligo-siloxane chain and poly- or oligo-silane chain in a molecular chain, a group having a silyl group and a sulfide group, which can be subjected to a condensation reaction, is introduced into the molecular chain, for example, by an ene-thiol reaction.
Abstract: There is provided an active energy ray-curable composition having excellent storage stability. The active energy ray-curable composition includes: active energy ray-curable compound (A) having an unsaturated ethylenic double bond; thiol compound (B) having two or more mercapto groups in one molecule; reaction inhibitor (C) configured to inhibit a reaction between the unsaturated ethylenic double bond and the mercapto groups; radical polymerization inhibitor (D); and water (E), wherein the content of water (E) is 0.05 ppm by mass or more and less than 1% by mass. When the total content of active energy ray-curable compound (A) and thiol compound (B) is 100 parts by mass, the content of reaction inhibitor (C) is 0.005 parts by mass or more and 10 parts by mass or less, and the content of radical polymerization inhibitor (D) is 0.005 parts by mass or more and 5 parts by mass or less.
Abstract: Described herein, are dishwashing paste compositions comprising: an abrasive; a pH modifying agent in an amount effective to provide a pH greater than 7; a structuring agent; and a source of polyvalent cations. Methods of making and using these compositions are also described.
Type:
Grant
Filed:
June 21, 2019
Date of Patent:
August 18, 2020
Assignee:
Colgate-Palmolive Company
Inventors:
Joshua Gerardo Henderson Villalpando, Ammanuel Mehreteab, Lidia Venegas, Margarita Zapata Menchaca, Arianis Riofrio, Mario Alejandro Herrera Lazo De La Vega, Santiago Salas
Abstract: A process for producing a pentaerythritol mercaptocarboxylic acid ester of the present invention includes: a step of reacting pentaerythritol with a mercaptocarboxylic acid, in which an absorbance of a 5 wt % aqueous solution of the pentaerythritol at a wavelength of 270 nm, which is measured using a quartz cell having an optical path length of 50 mm, is 0.07 or less.
Abstract: The invention relates to the compounds of formula I or its pharmaceutical acceptable salts, as well as polymorphs, solvates, enantiomers, stereoisomers and hydrates thereof. The pharmaceutical compositions comprising an effective amount of compounds of formula I, and methods for treating or preventing cough may be formulated for oral, buccal, rectal, topical, transdermal, transmucosal, intravenous, parenteral administration, syrup, or injection. Such compositions may be used to treatment of acute respiratory tract infections, asthma, gout, fibromyalgia, facilitating conception, promotes secondary mucosal secretions in the respiratory system, muscle relaxant, allergy, asthma, chronic obstructive pulmonary disorders, spasms, respiratory and neurological diseases.
Abstract: The present invention generally relates to processes and methods of peptide and protein synthesis. The present invention also relates to specific compounds for use in such processes and methods. It is shown herein that peptides with a C-terminal tertiary N,N-bis(2-mercaptoethyl)-amide (BMEA) undergo N-to-S acyl transfer at weakly acidic pH to form a transient thioester which can be captured for direct ligation with a cysteinyl peptide. These C-terminal BMEA peptides are easily prepared with standard Fmoc solid-phase synthesis protocols, thus giving a very convenient access to the thioester components for native chemical ligation.
Abstract: An intermediate compound for forming a RAFT agent is provided that can have the formula: where n is an integer from 1 to 20; m is an integer from 0 to 20; R1 is H, an alkyl group, or a cyano group; R2 is H, an alkyl group, or a cyano group; Y is OH, COOH, or NH2; and X is OH, COOH, NH2, a nitrobenzyl, benzyl, or para-methyl benzyl group. A RAFT agent is also provided that comprises a thiocarbonylthio-containing organic compound having a phosphonic end group. A method is also provided for forming a polymer chain on a surface of a nanoparticle utilizing the RAFT agent, along with nanoparticles and nanocomposites formed therefrom.
Type:
Application
Filed:
September 12, 2014
Publication date:
March 12, 2015
Inventors:
Brian Benicewicz, Anand Viswanath, Alexandra Nicole Green
Abstract: In the acid-catalyzed esterification of mercaptoalkyl alcohols by means of carboxylic acids to form mercaptoalkly carboxylates, formation of undesirable, usually sparingly soluble by-products usually occurs. The process of the invention in the absence of acid catalysts avoids the formation of such by-products. Particularly when the esterification of the invention is carried out as reactive distillation using reactive column and residence vessel, good degrees of conversion can also be obtained without acid catalyst and at the same time the formation of the by-products can be largely avoided.
Abstract: A composition having a compound having the structure: wherein n is an integer greater than or equal to 1; wherein X is an alkyl moiety or aryl moiety; wherein X1 is an alkyl moiety or aryl moiety; wherein Y is an alkyl moiety or aryl moiety, having a carbon number that is greater than or equal to 0, and wherein if Y has a carbon number of 0, the compound has the structure:
Type:
Application
Filed:
May 21, 2014
Publication date:
November 27, 2014
Inventors:
Donald STEVENSON, John NUSSBAUMER, Louis E. BONA
Abstract: Provided is a thiol group-containing charge transporting material represented by the following general formula (1): F-[(G)a1-(X)a2—Y—SH]b??(1) wherein F represents an organic group derived from a charge transporting compound, G represents a divalent organic group having 1 to 5 carbon atoms, X represents a group selected from a —CO—O— group, an —O—CO— group, and an —O— group, Y represents a divalent organic group having 1 to 5 carbon atoms, a1 and a2 each independently represent 0 or 1, and b represents an integer of 1 or more and 6 or less.
Abstract: The present invention generally relates to an aqueous solution for the formation of a passivation layer on a zinc layer or zinc-alloy layer. More particularly, the invention relates to the formation of a black passivation layer on a zinc layer or zinc-alloy layer, which passivation layer is substantially free of hexavalent chromium. Furthermore, the present invention relates to method for the formation of a passivation layer on a zinc layer or zinc-alloy layer, as well as a passivation layer on a zinc layer or zinc-alloy layer itself. The solution used contains trivalent chromium ions, nitrate ions, an organic acid and a dithioglycolate.
Abstract: The present invention relates to silica-containing rubber mixture produced from at least one rubber, from a sulphur-containing alkoxysilane, from a crosslinking agent, from a filler, and optionally from further rubber auxiliaries, where the said mixture comprises from 0.
Abstract: The present disclosure relates to lipid compounds of formula (I): wherein: R1 is chosen from a C10-C21 alkyl, a C10-C21 alkenyl having 1-6 double bonds, and a C10-C21 alkynyl having 1-6 triple bonds; R2 and R3 are the same or different and are chosen from hydrogen and a C1-C6 alkyl; X is chosen from O, S, SO, SO2, Si, and Se; n=1 or 3; and P1 is chosen from hydrogen; a C10-C21 alkyl, a C10-C21 alkenyl having 1-6 double bonds, a C10-C21 alkynyl having 1-6 triple bonds, optionally substituted; a group of formula (II) or formula (III), wherein P2, P3, and P4 are chosen from hydrogen, an alkyl, an alkenyl, and an alkynyl, optionally substituted; and a group of formula (IV) or formula (V), wherein P5 is chosen from hydrogen and a C1-C6 alkyl; or a pharmaceutically acceptable salt, complex, or solvate thereof.
Abstract: The present invention relates to silica-containing rubber mixture produced from at least one rubber, from a sulphur-containing alkoxysilane, from a crosslinking agent, from a filler, and optionally from further rubber auxiliaries, where the said mixture comprises from 0.
Abstract: Novel compounds, and in particular to diacylglycerol (1, 3-DAG) and alpha-lipoic acid (LA) and/or dihydro-alpha-lipoic acid (DHLA) derivatives. In particular these novel compounds are used as functional food additives. These may for example be used as nutraceuticals and/or pharmaceuticals in the prevention and treatment of obesity, diabetes, atherosclerosis, oxidative stress and other lifestyle-related diseases.
Abstract: High molecular weight disulfide polymers are synthesized in aqueous media by exposing dithiol compounds to a mild oxidizing environment in the presence of a tertiary amine catalyst. The unique oxidizing system polymerizes monomers through the formation of sulfur-sulfur bonds between dithiol compounds. The same oxidizing system may be used to make disulfide-crosslinked gels from compounds containing multiple thiol groups. The oxidizing system is comprised of oxygen at atmospheric concentration and dilute hydrogen peroxide. A filler such as carbon black may be incorporated into the polymer or cross-linked gel during polymerization. A polydisulfide polymer is provided having a weight average molecular weight of greater than about 100,000 g/mol and a polydispersity index of about 2 or less. A tetrathiol composition results from a reaction of a diacrylate with a trithiol.
Abstract: The purpose of the present invention is to provide a printed circuit board wherein a resin layer exhibits excellent adhesion and a method for manufacturing said printed circuit board. This printed circuit board is provided with an insulating substrate, metal wiring laid out on said insulating substrate, and an insulating layer disposed on top of said metal wiring. A layer consisting of a thiol compound having at least four functional groups represented by formula (1) is interposed between the metal wiring and the insulating layer at the interface therebetween.
Abstract: S-t-butyl protected cysteine di-peptide analogs and related compounds and methods of using these compounds for the treatment of diseases and/or conditions, including but not limited to diseases and/or conditions of Central Nervous System (CNS).
Abstract: The invention relates to a method for preparing acrolein from glycerol or glycerin, according to which dehydration of glycerol or glycerin is carried out in the presence of a catalyst which consists in at least one silica modified with zirconium dioxide, titanium dioxide or tungsten trioxide or any combination of these oxides, and a heteropolyacid. This method may be used for making 3-(methylthio)propionic aldehyde (MMP), 2-hydroxy-4-methylthiobutyronitrile (HMBTN), methionine or its analogs, from acrolein.
Type:
Grant
Filed:
December 21, 2010
Date of Patent:
December 10, 2013
Assignees:
Adisseo France S.A.S., Centre National de la Recherche Scientifique, Universite Lille 1-Sciences et Technologies
Inventors:
Sebastien Paul, Benjamin Katryniok, Franck Dumeignil, Mickael Capron
Abstract: The present invention provides a method for producing sulfur-containing carboxylic acid esters that are useful for aromatizing and flavoring purpose and can cater to the needs for diversified aromatized and/or flavored products, and to further provide a fragrance and/or flavor composition comprising the ester producible by the method and an aromatized and/or flavored product comprising the same. The sulfur-containing carboxylic acid ester is represented by the following formula (3): wherein R1 represents an alkyl group having 1 to 10 carbon atoms or an optionally substituted phenyl group (wherein the substituent thereof is an alkyl group having 1 to 4 carbon atoms or an alkoxy group having 1 to 4 carbon atoms), R2 and R3 independently represent a hydrogen atom, an alkyl group having 1 to 10 carbon atoms or an alkenyl group having 2 to 10 carbon atoms, or R2 and R3 together form an alkylene group, and R4 represents an alkyl group having 1 to 4 carbon atoms.
Type:
Grant
Filed:
April 25, 2011
Date of Patent:
September 17, 2013
Assignee:
Takasago International Corporation
Inventors:
Teruhiko Inaba, Kazuma Hojo, Kenya Ishida
Abstract: In the acid-catalyzed esterification of mercaptoalkyl alcohols by means of carboxylic acids to form mercaptoalkly carboxylates, formation of undesirable, usually sparingly soluble by-products usually occurs. The process of the invention in the absence of acid catalysts avoids the formation of such by-products. Particularly when the esterification of the invention is carried out as reactive distillation using reactive column and residence vessel, good degrees of conversion can also be obtained without acid catalyst and at the same time the formation of the by-products can be largely avoided.
Abstract: The disclosure relates to novel compounds of the formula (I) R1NH—CH(R2)CH2—S—S—CH2—C(R3)(R4)—CONH—C(R5)(R6)—COOR7, in which R1 is a (acyloxy)alkyl carbamate-C(O)—O—C(R8)(R9)—OC(O)—R10 group; R2 is a hydrocarbon chain, a methylene radical substituted by a heterocycle, R4 is a hydrogen atom and R3 is a phenyl or benzyl radical, a heteroaryl, a methylene group substituted by a heterocycle or R3 and R4 form together a saturated cycle; R5 and R6 are hydrogen, a hydrocarbon chain, a phenyl or benzyl radical or R5 and R6 form together a saturated cycle; R7 is hydrogen, a phenyl or benzyl radical, a group of the formula CR12(R13)C(O)OR14 or OCR12(R13)OC(O)R14 or OCR12(R13)OC(O)OR14. The disclosure also relates to the use of these compounds as a drug, and to a pharmaceutical composition containing said compounds and a pharmaceutically acceptable carrier.
Type:
Grant
Filed:
May 13, 2009
Date of Patent:
June 18, 2013
Inventors:
Marie-Claude Fournie-Zaluski, Hervé Poras, Bernard Roques
Abstract: The present invention generally relates to processes and methods of peptide and protein synthesis. The present invention also relates to specific compounds for use in such processes and methods. It is shown herein that peptides with a C-terminal tertiary N,N-bis(2-mercaptoethyl)-amide (BMEA) undergo N-to-S acyl transfer at weakly acidic pH to form a transient thioester which can be captured for direct ligation with a cysteinyl peptide. These C-terminal BMEA peptides are easily prepared with standard Fmoc solid-phase synthesis protocols, thus giving a very convenient access to the thioester components for native chemical ligation.
Abstract: Novel compounds, and in particular to diacylglycerol (1,3-DAG) and alpha-lipoic acid (LA) and/or dihydro-alpha-lipoic acid (DHLA) derivatives. In particular these novel compounds are used as functional food additives. These may for example be used as nutraceuticals and/or pharmaceuticals in the prevention and treatment of obesity, diabetes, atherosclerosis, oxidative stress and other lifestyle-related diseases.
Abstract: The present invention relates to odour improved dermatological or cosmetic preparations comprising N-acetylcysteine and a polyol system containing one or more polyols as masking odour agents. The emulsions of the present invention are useful in the treatment of dermatological disorders or cosmetic skin conditions.
Type:
Grant
Filed:
July 13, 2007
Date of Patent:
October 16, 2012
Assignee:
ZAMBON S.p.A.
Inventors:
Luca Rampoldi, Alberto Moretto, Alessandro Grassano
Abstract: The present invention provides cysteine and cystine prodrugs for the treatment of schizophrenia and drug addiction. The invention further encompasses pharmaceutical compositions containing prodrugs and methods of using the prodrugs and compositions for treatment of schizophrenia and drug addiction.
Type:
Application
Filed:
May 7, 2012
Publication date:
August 30, 2012
Applicants:
UWM RESEARCH FOUNDATION, INC., MARQUETTE UNIVERSITY
Inventors:
James M. Cook, David A. Baker, Wenyuan Yin, Edward Merle Johnson, II
Abstract: To provide a polyalkylene glycol chain-containing thiol polymer which is excellent in various performances, particularly significantly excellent in cement dispersibility, and useful in various applications such as an admixture for cement; a thiol-modified monomer or mixture thereof, which can produce such polymer; production methods of the polymer and the monomer; and a dispersant and an admixture for cement, each including the polymer. The polyalkylene glycol chain-containing thiol polymer is a polyalkylene glycol chain-containing thiol polymer, wherein the polymer comprises a polyalkylene glycol chain and a polymer segment bonded to at least one end of the polyalkylene glycol chain with a sulfur atom-containing group therebetween, the polymer segment includes a constitutional unit derived from an unsaturated monomer component, and the unsaturated monomer component includes an unsaturated carboxylic acid monomer and an unsaturated polyalkylene glycol monomer.
Abstract: Crosslinked polymers, methods for their preparation and use, are described in which the crosslinked polymers are formed from at least two polymer precursors, one of which is designed, upon degradation of the crosslinked polymer, to release the second polymer precursor in its original, unmodified chemical form.
Type:
Application
Filed:
January 31, 2011
Publication date:
August 2, 2012
Applicant:
Confluent Surgical, Inc
Inventors:
Rachit Ohri, Phillip Blaskovich, Joshua Kennedy, Steven L. Bennett, Arthur Driscoll
Abstract: Provided is a thiol group-containing charge transporting material represented by the following general formula (1): F-[(G)a1-(X)a2—Y—SH]b??(1) wherein F represents an organic group derived from a charge transporting compound, G represents a divalent organic group having 1 to 5 carbon atoms, X represents a group selected from a —CO—O— group, an —O—CO— group, and an —O— group, Y represents a divalent organic group having 1 to 5 carbon atoms, a1 and a2 each independently represent 0 or 1, and b represents an integer of 1 or more and 6 or less.
Abstract: Degradable polymers were synthesized that self-assemble with DNA to form particles that are effective for gene delivery. Small changes to polymer synthesis conditions, particle formulation conditions, and polymer structure provides significant changes to efficacy in a cell-type dependent manner. Polymers presented here are more effective than commercially available materials, such as LIPOFECTAMINE 2000™, FUGENE®, or polyethylenimine (PEI), for gene delivery to cancerous fibroblasts or human primary fibroblasts. The presently disclosed materials may be useful for cancer therapeutics and regenerative medicine.
Type:
Application
Filed:
May 17, 2010
Publication date:
May 24, 2012
Applicant:
THE JOHNS HOPKINS UNIVERSITY
Inventors:
Jordan J. Green, Joel C. Sunshine, Nupura S. Bhise, Ron B. Shmueli, Stephany Y. Tzeng
Abstract: The present invention relates to DTPA derivatives capable of forming complexes by combining with metals and the like, metal complexes formed by combining with the DTPA derivatives, MR and CT contrast agents including gold (Au) nano-particles of which surfaces are coated with the metal complexes, and a method for manufacturing the same. The MR and CT contrast agents according to the present invention have a high magnetic relaxation rate, thereby providing an excellent contrast enforcement effect and a long image acquisition time. Furthermore, the MR and CT contrast agents are not toxic to the human body, and are image contrast agents of dual molecules capable of being applied to both MR and CT.
Type:
Application
Filed:
December 13, 2009
Publication date:
May 24, 2012
Applicant:
Kyungpook National University Industry Academic Cooperation Foundation
Inventors:
Tae Jung Kim, Yong Min Jang, Ji Ae Park
Abstract: The present invention relates to thioic acids according to formula (II) suitable as building block for polythioesters; Wherein X is O, N or S and whereby R1 is chosen from (—CH2—)2, —CH2—O—CH2— or (—CH2—)3, R2 is preferably chosen from a biodegradable oligomer or polymer chosen from poly(lactide) (PLLA), polyglycolide (PGA), co-oligomers or copolymers of PLA and PGA (PLGA), poly(anhydrides), poly(trimethylenecarbonates), poly(orthoesters), poly(dioxanones), poly(?-caprolactones) (PCL) or polyesteramides and n>1.
Type:
Application
Filed:
December 18, 2009
Publication date:
December 8, 2011
Applicant:
DSM IP ASSETS B.V.
Inventors:
Mark Johannes Boerakker, Aylvin Jorge Angelo Dias, Ronny Mathieu Versteegen
Abstract: The present invention provides a method for producing sulfur-containing carboxylic acid esters that are useful for aromatizing and flavoring purpose and can cater to the needs for diversified aromatized and/or flavored products, and to further provide a fragrance and/or flavor composition comprising the ester producible by the method and an aromatized and/or flavored product comprising the same. The sulfur-containing carboxylic acid ester is represented by the following formula (3): wherein R1 represents an alkyl group having 1 to 10 carbon atoms or an optionally substituted phenyl group (wherein the substituent thereof is an alkyl group having 1 to 4 carbon atoms or an alkoxy group having 1 to 4 carbon atoms), R2 and R3 independently represent a hydrogen atom, an alkyl group having 1 to 10 carbon atoms or an alkenyl group having 2 to 10 carbon atoms, or R2 and R3 together form an alkylene group, and R4 represents an alkyl group having 1 to 4 carbon atoms.
Type:
Application
Filed:
April 25, 2011
Publication date:
November 17, 2011
Inventors:
Teruhiko Inaba, Kazuma Hojo, Kenya Ishida
Abstract: The present invention provides bis(hydroxyalkyl)mercaptosuccinates of the formula: and derivatives thereof, where X1, X2, Z1, Z2, Y1, Y2, Ra, Rb, R1, and R2 are those defined herein. The present invention also provides methods for producing and using the same.
Abstract: Disclosed are compounds containing single amino acids, peptides, or derivatives thereof which are selectively delivered to the mitochondria of a cell. Compounds of the invention exhibit antioxidant activity thereby reducing reactive oxygen species in cells. These compounds are useful for inhibiting oxidative stress-induced cell injury or death both in vivo and ex vivo. In addition, methods for the synthesis of these compounds are disclosed.
Type:
Application
Filed:
June 27, 2011
Publication date:
October 20, 2011
Applicant:
University of Rochester
Inventors:
Shey-Shing Sheu, Marion W. Anders, Lin Xu, Virendra K. Sharma, Dhanajaya Nauduri
Abstract: A process for producing pentaerythritol mercaptocarboxylic ester by reacting pentaerythritol with a mercaptocarboxylic acid having a content of thioester formed by condensation of two molecules of the acid of 5% or below (in terms of area percentage) as determined by the high-performance liquid chromatography in the case of the total area of the mercaptocarboxylic acid and thioester formed by intermolecular condensation of the acid is taken as 100%.
Abstract: Pentaerythritol which contains none of the alkali metals and the alkaline earth metals or which contains at least one of these in a total amount of 1.0 weight % or smaller is reacted with a mercaptocarboxylic acid to produce a pentaerythritol mercaptocarboxylic acid ester.
Abstract: A perfluoropolyether thiol compound comprises a perfluoropolyether segment, at least one mercapto group (—SH), and at least one intervening divalent carbonylimino moiety (—C(?O)—NR—, wherein R is hydrogen or alkyl). The compound can be produced, for example, by a ring-opening reaction of thiolactones with perfluoropolyether-substituted, primary or secondary amines. The compound can be used, for example, as a polymerization chain transfer agent, as an intermediate for the preparation of functional group-containing fluorochemical derivatives such as disulfides, and as a fluorinated surface treatment.
Type:
Application
Filed:
December 2, 2009
Publication date:
September 29, 2011
Inventors:
Suresh S. Iyer, Mark J. Pellerite, Chetan P. Jariwala
Abstract: Thiol ester compositions, methods of making the thiol ester compositions, and methods of using the thiol ester compositions are provided. In some embodiments, the thiol ester compositions include thiol esters, hydroxy thiol esters and cross-linked thiol esters. The thiol ester composition can be used to produce cross-linked thiol esters, sulfonic acid-containing esters, sulfonate containing esters and thioacrylate containing esters. The thiol ester compositions can be used to produce polythiourethanes. The polythiourethanes can be used in fertilizers and fertilizer coatings.
Type:
Grant
Filed:
February 17, 2005
Date of Patent:
August 2, 2011
Assignee:
Chevron Phillips Chemical Company LP
Inventors:
Mitchell D. Refvik, Daniel M. Hasenberg, Michael S. Hankinson, Michael S. Matson, Dale M. Solaas, Steven J. Herron, Jim D. Byers
Abstract: The invention relates to the compositions of synthetic oligo-?-(1?6)-2-amino-2-deoxy-D-glucopyranosides conjugated to carriers, and methods for making and use same.
Type:
Application
Filed:
July 21, 2009
Publication date:
June 23, 2011
Applicant:
The Brigham and Women's Hospital, Inc.
Inventors:
Gerald B. Pier, Nikolay Nifantiev, Yury Tsvetkov, Marina Gening
Abstract: Compounds of formula (I): are disclosed. In these compounds Y is —CH(OH)—, —CH(NHR6)—, —C(=0)-, —CH?CHCO— or—formula (II)—and R1 and R2 are hydrogen, OH, alkyl, alkoxy, benzyloxy and aryl, and, when Y is —CH(OH)—, additionally alkenyl or alkynyl. Processes for the production of these compounds are also disclosed.
Abstract: Organofunctional silanes, inclusive of dimers and oligomers, are provided in which individual silanes possess both free and blocked mercaptan functionality or particular mixtures of the organofunctional silanes possess both free and blocked mercaptan functionality. The organofunctional silanes and silane mixtures are useful, inter alia, as coupling agents for elastomeric compositions, e.g., rubber formulations employed in the manufacture of tires, where they exhibit a desirable balance of low scorch and good performance properties.
Type:
Grant
Filed:
February 21, 2006
Date of Patent:
April 5, 2011
Assignee:
Momentive Performance Materials Inc.
Inventors:
Antonio Chaves, Eric R. Pohl, Linda Vecere, Lesley Hwang
Abstract: The disclosure relates to novel compounds of the formula (I) R1NH—CH(R2)CH2—S—S—CH2—C(R3)(R4)—CONH—C(R5)(R6)—COOR7, in which R1 is a (acyloxy)alkyl carbamate-C(O)—O—C(R8)(R9)—OC(O)—R10 group; R2 is a hydrocarbon chain, a methylene radical substituted by a heterocycle, R4 is a hydrogen atom and R3 is a phenyl or benzyl radical, a heteroaryl, a methylene group substituted by a heterocycle or R3 and R4 form together a saturated cycle; R5 and R6 are hydrogen, a hydrocarbon chain, a phenyl or benzyl radical or R5 and R6 form together a saturated cycle; R7 is hydrogen, a phenyl or benzyl radical, a group of the formula CR12(R13)C(O)OR14 or OCR12(R13)OC(O)R14 or OCR12(R13)OC(O)OR14. The disclosure also relates to the use of these compounds as a drug, and to a pharmaceutical composition containing said compounds and a pharmaceutically acceptable carrier.
Type:
Application
Filed:
May 13, 2009
Publication date:
March 24, 2011
Applicant:
PHARMALEADS
Inventors:
Marie-Claude Fournie-Zaluski, Hervé Poras, Bernard Roques
Abstract: A process for producing pentaerythritol mercaptocarboxylic ester by reacting pentaerythritol with a mercaptocarboxylic acid having a content of thioester formed by condensation of two molecules of the acid of 5% or below (in terms of area percentage) as determined by the high-performance liquid chromatography in the case of the total area of the mercaptocarboxylic acid and thioester formed by intermolecular condensation of the acid is taken as 100%.