Patents by Inventor Ram B. Gupta
Ram B. Gupta has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10179829Abstract: This invention relates to products H made by reaction of a cyclic alkyleneurea U, at least one multifunctional aldehyde A2, and at least one of (a) an aminoplast former M that is not the same as the cyclic alkyleneurea U, and (b) a monofunctional aldehyde A1, which product H is optionally etherified by reaction of at least a part of the hydroxyl groups formed by addition reaction of N—H groups and aldehyde groups, with an alcohol having from one to ten carbon atoms, and wherein glyoxal is present in the at least one multifunctional aldehyde A2, to processes for their preparation, and to a method of use thereof in coating compositions.Type: GrantFiled: November 18, 2016Date of Patent: January 15, 2019Assignee: Allnex Netherlands B.V.Inventors: Ram B. Gupta, Urvee Y. Treasurer, Lawrence A. Flood, Barry A. Lawless
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Patent number: 10155836Abstract: The invention relates to a reaction product UA of at least one cyclic urea U and at least one multifunctional aldehyde A which reaction product has as substituents on the carbonyl carbon atoms of the aldehyde A at least one kind of functional groups selected from the group consisting of hydroxyl groups —OH and alkoxy groups —OR characterised in that the groups —OR comprise at least two kinds of alkoxy groups —OR1 and —OR2, where R1 and R2 are both selected from the group consisting of linear, branched or cyclic alkyl groups having from one to twelve carbon atoms, where R1 and R2 may be the same or may be different from each other, to a process of making these, and to a method of use as crosslinker in coating compositions.Type: GrantFiled: September 23, 2011Date of Patent: December 18, 2018Assignee: ALLNEX NETHERLANDS B.V.Inventors: Ram B. Gupta, Lawrence A. Flood, Urvee Y. Treasurer, Barry A. Lawless, Colin Brogan
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Publication number: 20180222087Abstract: Resin masterbatch compositions are provided as closed end pellets having a core including at least one additive and an outer layer comprising a polymer encapsulating the core, in which the thickness of the outer layer if from 0.001 mm to 1 cm. A stabilized composition is prepared from an organic material to be stabilized and the resin masterbatch composition. A process for producing the resin masterbatch composition includes co-extruding in tubular form a core material encapsulated by an outer layer, wherein the core material comprises at least one additive, and the outer layer comprises a polymer, to form a filled tube; passing the filled tube into a sealing device that cuts the filled tube into multiple discrete segments seals and simultaneously seals each end of each discrete segment, thereby forming closed end pellets; and cooling the closed end pellets.Type: ApplicationFiled: July 29, 2016Publication date: August 9, 2018Inventors: Dinand TIJHUIS, Erwin TIJHUIS, Joseph KOZAKIEWICZ, Jerry Mon Hei ENG, Ram B. GUPTA, David VANZIN, Shailesh MAJMUDAR
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Publication number: 20180127387Abstract: A synthesis process for making a benzoxazine compound containing at least one benzoxazine unit from aromatic amine containing at least one primary amino group, at least one phenolic compound with at least one ortho-hydrogen, and alkyl formcel. In one embodiment, the aromatic amine is reacted with alkyl formcel to generate an alkoxymethyl intermediate compound. Subsequently, the intermediate compound is reacted with a phenol to generate the benzoxazine compound. In another embodiment, the benzoxazine compound is formed by reacting aromatic amine with alkyl formcel and phenol in one reaction step. Also disclosed is a method for isolating the alkoxymethyl compound formed by reacting aromatic amine with alkyl formcel. The isolated alkoxymethyl compound is useful as a reactant in a subsequent reaction.Type: ApplicationFiled: January 11, 2018Publication date: May 10, 2018Applicant: CYTEC INDUSTRIES INC.Inventors: Ram B. Gupta, Martin Cohen, Manav Gupta
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Patent number: 9902706Abstract: A synthesis process for making a benzoxazine compound containing at least one benzoxazine unit from aromatic amine containing at least one primary amino group, at least one phenolic compound with at least one ortho-hydrogen, and alkyl formcel. In one embodiment, the aromatic amine is reacted with alkyl formcel to generate an alkoxymethyl intermediate compound. Subsequently, the intermediate compound is reacted with a phenol to generate the benzoxazine compound. In another embodiment, the benzoxazine compound is formed by reacting aromatic amine with alkyl formcel and phenol in one reaction step. Also disclosed is a method for isolating the alkoxymethyl compound formed by reacting aromatic amine with alkyl formcel. The isolated alkoxymethyl compound is useful as a reactant in a subsequent reaction.Type: GrantFiled: October 21, 2015Date of Patent: February 27, 2018Assignee: CYTEC INDUSTRIES INC.Inventors: Ram B Gupta, Martin Cohen, Manav Gupta
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PROCESSES FOR PRODUCING MOLDED ARTICLES STABILIZED AGAINST ULTRAVIOLET LIGHT AND THERMAL DEGRADATION
Publication number: 20170349730Abstract: A process for producing a stabilized molded article including: combining a stabilizing amount of a thermal and ultraviolet (UV) light stabilizer composition with an organic material subject to degradation induced by light, heat or oxidation to form a stabilized organic material; and forming the stabilized organic material into a molded article, wherein the stabilizer composition comprises an ortho-hydroxyl tris-aryl-s-triazine compound; a hindered amine light stabilizer compound; a hindered hydroxybenzoate compound; an acid scavenger; a phosphite compound; a hindered phenol antioxidant compound; and a thioester compoundType: ApplicationFiled: June 15, 2017Publication date: December 7, 2017Applicant: Cytec Industries Inc.Inventors: Ram B. Gupta, Jerry Mon Hei Eng, Fadi Khawam, Ranjan Kumar Kamat -
Stabilizing compositions for stabilizing materials against ultraviolet light and thermal degradation
Patent number: 9725579Abstract: Stabilizer compositions for stabilizing materials against degradation due to thermal and ultraviolet light exposure are disclosed herein. In some instances, the stabilizer compositions include an ortho-hydroxyl tris-aryl-s-triazine compound; a hindered amine light stabilizer compound; a hindered hydroxybenzoate compound; a phosphite compound, an acid scavenger and/or thioester; and a hindered phenol antioxidant compound.Type: GrantFiled: April 30, 2015Date of Patent: August 8, 2017Assignee: Cytec Industries Inc.Inventors: Ram B. Gupta, Jerry Mon Hei Eng, Fadi Khawam, Ranjan Kumar Kamat -
Patent number: 9714322Abstract: A meta-substituted trifunctional benzoxazine monomer and compositions containing the same, wherein the trifunctional benzoxazine monomer is represented by the following structure:Type: GrantFiled: December 28, 2015Date of Patent: July 25, 2017Assignee: Cytec Industries Inc.Inventors: Ram B Gupta, Paul Mark Cross
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Publication number: 20170072051Abstract: Disclosed are compositions, kits, and methods for inducing an immune response against an infection or a disease. The compositions typically include biodegradable particles having an average effective diameter that such that the biodegradable particles are phagocytosed by antigen presenting cells when the biodegradable particles are administered to a subject in need thereof. Optionally, the compositions include one or more of an adjuvant, an apoptosis inhibitor, and an antigen. The compositions, kits, and methods may be utilized to induce a cell-mediated response, such as a T-helper cell response, and/or a humoral response against a pathogen or a disease. In some embodiments, the compositions, kits, and methods may be utilized to induce preferentially a Th1 response versus other types of immune responses such as a Th2 response.Type: ApplicationFiled: October 24, 2016Publication date: March 16, 2017Applicant: Auburn UniversityInventors: Bernhard Kaltenboeck, Ram B. Gupta, Erfan U. Chowdhury, Courtney A. Ober
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Publication number: 20170066866Abstract: This invention relates to products H made by reaction of a cyclic alkyleneurea U, at least one multifunctional aldehyde A2, and at least one of (a) an aminoplast former M that is not the same as the cyclic alkyleneurea U, and (b) a monofunctional aldehyde A1, which product H is optionally etherified by reaction of at least a part of the hydroxyl groups formed by addition reaction of N—H groups and aldehyde groups, with an alcohol having from one to ten carbon atoms, and wherein glyoxal is present in the at least one multifunctional aldehyde A2, to processes for their preparation, and to a method of use thereof in coating compositions.Type: ApplicationFiled: November 18, 2016Publication date: March 9, 2017Inventors: Ram B. GUPTA, Urvee Y. TREASURER, Lawrence A. FLOOD, Barry A. LAWLESS
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Patent number: 9534114Abstract: This invention relates to products H made by reaction of a cyclic alkyleneurea U, at least one multifunctional aldehyde A2, and at least one of (a) an aminoplast former M that is not the same as the cyclic alkyleneurea U, and (b) a monofunctional aldehyde A1, which product H is optionally etherified by reaction of at least a part of the hydroxyl groups formed by addition reaction of N—H groups and aldehyde groups, with an alcohol having from one to ten carbon atoms, and wherein glyoxal is present in the at least one multifunctional aldehyde A2, to processes for their preparation, and to a method of use thereof in coating compositions.Type: GrantFiled: March 22, 2013Date of Patent: January 3, 2017Assignee: ALLNEX IP S.A.R.L.Inventors: Ram B. Gupta, Urvee Y. Treasurer, Lawrence A. Flood, Barry A. Lawless
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Publication number: 20160185908Abstract: A curable composition containing more than 80% by weight of a blend of benzoxazines, wherein the blend includes (A) one or more multifunctional benzoxazines and (B) a liquid, non-halogenated monofunctional benzoxazine. This composition has been found to be stable at high temperatures, e.g. 180° C.-250° C., and suitable for making composite materials using conventional techniques such as prepregging and liquid resin infusion.Type: ApplicationFiled: December 29, 2015Publication date: June 30, 2016Applicant: Cytec Industries Inc.Inventors: Mark Edward Harriman, Paul Mark Cross, Ram B. Gupta
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Publication number: 20160185907Abstract: A meta-substituted trifunctional benzoxazine monomer and compositions containing the same, wherein the trifunctional benzoxazine monomer is represented by the following structure:Type: ApplicationFiled: December 28, 2015Publication date: June 30, 2016Applicant: Cytec Industries Inc.Inventors: Ram B Gupta, Paul Mark Cross
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Publication number: 20160145427Abstract: Stabilizer compositions having a stabilizing amount of at least one co-active agent; and a stabilizing amount of any one or more ultraviolet light absorber chosen from an ortho-hydroxyphenyl triazine, an ortho-hydroxy benzophenone, or an ortho-hydroxyphenyl benzotriazole, optionally in combination with a stabilizing amount of a hindered amine light stabilizer, are provided herein, along with masterbatch concentrates containing same, and processes for using same for stabilizing organic materials to protect against light and thermal degradation due to exposure to UV irradiation.Type: ApplicationFiled: November 20, 2015Publication date: May 26, 2016Inventors: J. Mon Hei ENG, Joseph KOZAKIEWICZ, Ram B. GUPTA, Jian-Yang CHO, Roderick G. RYLES, Fadi KHAWAM
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Publication number: 20160115139Abstract: A synthesis process for making a benzoxazine compound containing at least one benzoxazine unit from aromatic amine containing at least one primary amino group, at least one phenolic compound with at least one ortho-hydrogen, and alkyl formcel. In one embodiment, the aromatic amine is reacted with alkyl formcel to generate an alkoxymethyl intermediate compound. Subsequently, the intermediate compound is reacted with a phenol to generate the benzoxazine compound. In another embodiment, the benzoxazine compound is formed by reacting aromatic amine with alkyl formcel and phenol in one reaction step. Also disclosed is a method for isolating the alkoxymethyl compound formed by reacting aromatic amine with alkyl formcel. The isolated alkoxymethyl compound is useful as a reactant in a subsequent reaction.Type: ApplicationFiled: October 21, 2015Publication date: April 28, 2016Applicant: CYTEC INDUSTRIES INC.Inventors: Ram B Gupta, Martin Cohen, Manav Gupta
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Publication number: 20160114303Abstract: The creation of novel halloysite-based compositions is disclosed. In one embodiment, the hollow clay nanotubes of halloysite are loaded with nanoscale zerovalent iron particles. The resulting composition provides an effective manner of remediating chlorinated hydrocarbons. In another embodiment, the hollow clay nanotubes of halloysite are imbibed with dispersants such as DOSS and Tween 80 surfactants. The resulting composition stabilizes oil-in-water emulsions and subsequently releases the surfactants, thereby reducing interfacial tension significantly, which allows much smaller droplets to form and thus provides for more effective oil remediation.Type: ApplicationFiled: October 23, 2015Publication date: April 28, 2016Inventors: Vijay John, Gary McPherson, Ram B. Gupta
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Patent number: 9284682Abstract: A method for treating a fabric for ultraviolet radiation protection is disclosed which comprises the steps of adding zinc oxide nanoparticles to a solution of 3-glycidyloxypropyl-trimethoxysilane, adding silicon dioxide to the mixture of zinc oxide nanoparticles and 3-glycidyloxypropyl-trimethoxysilane, placing a fabric in the mixture of zinc oxide nanoparticles, 3-glycidyloxypropyl-trimethoxysilane, and silicon dioxide, curing the fabric, and washing the fabric.Type: GrantFiled: November 21, 2014Date of Patent: March 15, 2016Assignee: THE SWEET LIVING GROUP, LLCInventors: Robert B Kramer, Ronald Kramer, Nicholas Marshall, Jason Rosenberg, Ram B Gupta
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Patent number: 9267028Abstract: The invention relates to a crosslinker composition comprising a reaction product of a cyclic urea U and a multifunctional aliphatic aldehyde A, and at least one crosslinker selected from the group consisting of reaction products of an aminotriazine and at least one aldehyde selected from the group consisting of aliphatic monoaldehydes and multifunctional aliphatic aldehydes having the structure Y(CHO)n, where Y is an n-functional aliphatic residue, and n is greater than 1; reaction products of urea and/or cyclic ureas and formaldehyde; alkoxycarbonyl-aminotriazines; multifunctional isocyanates which may be partially or completely blocked; reaction products of phenols and aliphatic monoaldehydes; multifunctional epoxides; multifunctional aziridines; and multifunctional carbodiimides, wherein any of the crosslinkers which have hydroxyl groups may be etherified with one or more linear, branched, or cyclic aliphatic alcohols.Type: GrantFiled: September 23, 2011Date of Patent: February 23, 2016Assignee: ALLNEX IP S.À.R.L.Inventors: Ram B. Gupta, Lawrence A. Flood, Urvee Y. Treasurer, Barry A. Lawless, Colin Brogan
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Patent number: 9234310Abstract: A method for treating a fabric for ultraviolet radiation protection, enhanced resistance to degradation, and enhanced resistance to fire is disclosed which comprises the steps of adding zinc oxide nanoparticles to a solution of 3-glycidyloxypropyl-trimethoxysilane, placing a fabric in the mixture of zinc oxide particles and 3-glycidyloxypropyl-trimethoxysilane, curing the fabric, and washing the fabric. Other methods of treating a fabric are disclosed.Type: GrantFiled: October 24, 2014Date of Patent: January 12, 2016Assignee: The Sweet Living Group, LLCInventors: Robert B Kramer, Ronald Kramer, Nicholas Marshall, Jason Rosenberg, Ram B Gupta
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Patent number: 9193885Abstract: This invention relates to a process to make a reaction product UA of at least one multifunctional aldehyde A with at least one cyclic urea U, by mixing the at least one multifunctional aldehyde A with the at least one cyclic urea U in the presence of at least one alcohol R1—OH, and optionally, at least one solvent that has no reactive groups which may react with aldehyde groups, —CO—NH— groups, or hydroxyl groups, to effect an addition reaction to obtain a solution of a product UA, where R1 is selected from the group consisting of linear, branched or cyclic alkyl groups having from one to twelve carbon atoms, to the reaction product obtained by this process, and to a method of use thereof as crosslinker for coating compositions.Type: GrantFiled: September 23, 2011Date of Patent: November 24, 2015Assignee: ALLNEX USA INC.Inventors: Ram B. Gupta, Lawrence A. Flood, Urvee Y. Treasurer, Barry A. Lawless, Colin Brogan